24个让你人生转变的小故事,99%的人都改变了!
24Frames
24Frames创意狂想曲24Frames,一个用影像见证爱情的“80后”团队。
在婚礼现场,每个玻璃杯,每块甜品,每片花瓣,每个笑靥,在24Frames的镜头下显得那么纯粹与美好。
团队的创意总监蔡锦会简单地告诉你:“我们拍的东西不太一样。
”淡淡的一句“不太一样”,背后却蕴藏着一群年轻人,用电影的态度记录婚礼的虔诚与努力。
“80后”搭起爱的“花嫁”蔡锦从大三就开始接触婚庆拍摄这个行业。
首次触电就让这个东北大男孩尝到了用心、用专业的态度去拍摄美好时刻的甜头。
在拍摄婚礼之前,蔡锦就已经在学校拍过很多MV了,对于镜头语言的运用以及气氛的营造,都有一定的经验。
当他把婚礼的成片交给客户时,客户特别满意,一直赞叹着这种少见的唯美手法。
蔡锦以为与婚庆拍摄只是一次偶然的“邂逅”,没想到,过了一段时间,这个客户的朋友也要举办婚礼,极力推荐蔡锦去拍摄。
他拍完之后,客户依然还是赞不绝口。
此时,蔡锦似乎看到了商机,“获得市场的认可后,我就在想,如果能把自己的专业技能与婚庆拍摄行业结合起来,也许能产生意想不到的效果。
在大三时,我就基本确定要从事这个行业了。
”能将专业变成事业,的确是人生一件幸事。
对未来满怀憧憬的蔡锦,马上从中国传媒大学、中央戏剧学院、北京电影学院等专业院校,找一些志同道合的朋友,组建了创意婚庆拍摄的工作室―24Frames(24格)。
现在工作室里共有八位成员,六位剪辑师,其中四位兼任摄影师。
首席摄影师经验非常丰富,已经拍过上百场婚礼。
每到周末,24Frames就有许多外出拍摄的任务,往往凌晨5点就得起床做准备。
“唯有这样一步一步踏实地前进,才能走得更远更好。
”蔡锦一直强调。
  大众DV:为什么你们的工作室取名为24Frames?   蔡锦:大家都知道电影是以每秒24格film收录的。
法国一位前辈戈达尔说过,电影是每秒24格的真理。
粤语学习5——精选推荐
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MOXA EDS-528E系列24+4G口高速管理以太网交换机产品介绍说明书
EDS-528E Series24+4G-port Gigabit managed EthernetswitchesFeatures and Benefits•4Gigabit plus24fast Ethernet ports for copper and fiber•Turbo Ring and Turbo Chain(recovery time<20ms@250switches),1RSTP/STP,and MSTP for network redundancy•RADIUS,TACACS+,MAB Authentication,SNMPv3,IEEE802.1X,MAC ACL,HTTPS,SSH,and sticky MAC-addresses to enhance network security•Security features based on IEC62443•EtherNet/IP,PROFINET,and Modbus TCP protocols supported for devicemanagement and monitoring•Supports MXstudio for easy,visualized industrial network management•V-ON™ensures millisecond-level multicast data and video network recoveryCertificationsIntroductionThe EDS-528E standalone,compact28-port managed Ethernet switches have4combo Gigabit ports with built-in RJ45or SFP slots for Gigabit fiber-optic communication.The24fast Ethernet ports have a variety of copper and fiber port combinations that give the EDS-528E Series greater flexibility for designing your network and application.The Ethernet redundancy technologies,Turbo Ring,Turbo Chain,RSTP/STP,and MSTP, increase the system reliability and availability of your network backbone.The EDS-528E also supports advanced management and security features.In addition,the EDS-528E Series is designed specifically for harsh industrial environments with limited installation space and high protection level requirements,such as maritime,rail wayside,oil and gas,factory automation,and process automation.Additional Features and Benefits•DHCP Option82for IP address assignment with different policies •Supports EtherNet/IP,PROFINET,and Modbus TCP protocols for device management and monitoring•IGMP snooping and GMRP for filtering multicast traffic•Port-based VLAN,IEEE802.1Q VLAN,and GVRP to ease network planning•QoS(IEEE802.1p/1Q and TOS/DiffServ)to increase determinism •Port Trunking for optimum bandwidth utilization •SNMPv1/v2c/v3for different levels of network management •RMON for proactive and efficient network monitoring •Bandwidth management to prevent unpredictable network status •Lock port function for blocking unauthorized access based on MAC address•Automatic warning by exception through email and relay output •Supports the ABC-02-USB(Automatic Backup Configurator)for system configuration backup/restore and firmware upgradeSpecificationsInput/Output InterfaceAlarm Contact Channels1,Relay output with current carrying capacity of1A@24VDC Buttons Reset buttonDigital Input Channels1Digital Inputs+13to+30V for state1-30to+3V for state0Max.input current:8mA1.Gigabit Ethernet recovery time<50ms10/100BaseT(X)Ports(RJ45connector)24Auto negotiation speedFull/Half duplex modeAuto MDI/MDI-X connection4Combo Ports(10/100/1000BaseT(X)or100/1000BaseSFP+)10/100/1000BaseT(X)Ports(RJ45connector)Auto negotiation speedFull/Half duplex modeAuto MDI/MDI-X connectionStandards IEEE802.3for10BaseTIEEE802.3u for100BaseT(X)and100BaseFXIEEE802.3ab for1000BaseT(X)IEEE802.3z for1000BaseSX/LX/LHX/ZXIEEE802.3x for flow controlIEEE802.1D-2004for Spanning Tree ProtocolIEEE802.1w for Rapid Spanning Tree ProtocolIEEE802.1s for Multiple Spanning Tree ProtocolIEEE802.1p for Class of ServiceIEEE802.1Q for VLAN TaggingIEEE802.1X for authenticationIEEE802.3ad for Port Trunk with LACPEthernet Software FeaturesFilter802.1Q VLAN,GVRP,IGMP v1/v2/v3,GMRP,Port-based VLANIndustrial Protocols EtherNet/IP,Modbus TCP,PROFINET IO Device(Slave)Management LLDP,Back Pressure Flow Control,BOOTP,Port Mirror,DHCP Option66/67/82,DHCPServer/Client,Fiber check,Flow control,IPv4/IPv6,RARP,RMON,SMTP,SNMP Inform,SNMPv1/v2c/v3,Syslog,Telnet,TFTPMIB Ethernet-like MIB,MIB-II,Bridge MIB,P-BRIDGE MIB,Q-BRIDGE MIB,RMON MIBGroups1,2,3,9,RSTP MIBRedundancy Protocols Link Aggregation,MSTP,RSTP,STP,Turbo Chain,Turbo Ring v1/v2Security Broadcast storm protection,HTTPS/SSL,TACACS+,SNMPv3,MAB authentication,Sticky MAC,NTP authentication,MAC ACL,Port Lock,RADIUS,SSH,SMTP with TLS Time Management NTP Server/Client,SNTPSwitch PropertiesIGMP Groups2048MAC Table Size16KMax.No.of VLANs64Packet Buffer Size1MbitsPriority Queues4VLAN ID Range VID1to4094USB InterfaceStorage Port USB Type ALED InterfaceLED Indicators PWR1,PWR2(LV model),STATE,FAULT,10/100M(TP port),Gigabit combo port,MSTR/HEAD,CPLR/TAILConsole Port USB-serial console(Type B connector)DIP Switch ConfigurationDIP Switches Turbo Ring,Master,Coupler,ReservePower ParametersConnection EDS-528E-4GTXSFP-HV Series:1removable4-contact and1removable5-contactterminal blockEDS-528E-4GTXSFP-LV Series:2removable4-contact terminal block(s)Input Current EDS-528E-4GTXSFP-LV Series:0.47A@24VDCEDS-528E-4GTXSFP-HV Series:0.11/0.055A@110/220VDC,0.21/0.13A@110/220VACInput Voltage EDS-528E-4GTXSFP-LV Series:12/24/48/-48VDC,Redundant dual inputsEDS-528E-4GTXSFP-HV Series:110/220VDC/VAC,Single inputOperating Voltage EDS-528E-4GTXSFP-LV Series:9.6to60VDCEDS-528E-4GTXSFP-HV Series:88to300VDC,85to264VACOverload Current Protection SupportedReverse Polarity Protection SupportedPhysical CharacteristicsHousing MetalIP Rating IP30Dimensions115.4x135x137mm(4.54x5.31x5.39in)Weight1850g(4.08lb)Installation DIN-rail mounting,Wall mounting(with optional kit)Environmental LimitsOperating Temperature Standard Models:-10to60°C(14to140°F)Wide Temp.Models:-40to75°C(-40to167°F)Storage Temperature(package included)-40to85°C(-40to185°F)Ambient Relative Humidity5to95%(non-condensing)Standards and CertificationsSafety UL61010-2-201,EN60950-1(LVD)EMC EN61000-6-2/-6-4EMI CISPR32,FCC Part15B Class AEMS IEC61000-4-2ESD:Contact:8kV;Air:15kVIEC61000-4-3RS:80MHz to1GHz:20V/mIEC61000-4-4EFT:Power:4kV;Signal:4kVIEC61000-4-5Surge:Power:4kV;Signal:4kVIEC61000-4-6CS:10VIEC61000-4-8PFMFPower Substation IEC61850-3,IEEE1613Railway EN50121-4Shock IEC60068-2-27Freefall IEC60068-2-32Vibration IEC60068-2-6MTBFTime774,634hrsStandards Telcordia(Bellcore),GBWarrantyWarranty Period5yearsDetails See /warrantyPackage ContentsDevice1x EDS-528E Series switchCable1x USB type A male to USB type B maleInstallation Kit4x cap,plastic,for RJ45port4x cap,plastic,for SFP slotDocumentation1x quick installation guide1x warranty card1x product certificates of quality inspection,Simplified Chinese1x product notice,Simplified ChineseNote SFP modules need to be purchased separately for use with this product. DimensionsOrdering InformationEDS-528E-4GTXSFP-LV2442–-10to60°C EDS-528E-4GTXSFP-LV-T2442–-40to75°C EDS-528E-4GTXSFP-HV244–1-10to60°C EDS-528E-4GTXSFP-HV-T244–1-40to75°C Accessories(sold separately)Storage KitsABC-02-USB Configuration backup and restoration tool,firmware upgrade,and log file storage tool for managedEthernet switches and routers,0to60°C operating temperatureABC-02-USB-T Configuration backup and restoration tool,firmware upgrade,and log file storage tool for managedEthernet switches and routers,-40to75°C operating temperatureSFP ModulesSFP-1FELLC-T SFP module with1100Base single-mode with LC connector for80km transmission,-40to85°Coperating temperatureSFP-1FEMLC-T SFP module with1100Base multi-mode with LC connector for4km transmission,-40to85°Coperating temperatureSFP-1FESLC-T SFP module with1100Base single-mode with LC connector for40km transmission,-40to85°Coperating temperatureSFP-1G10ALC WDM-type(BiDi)SFP module with11000BaseSFP port with LC connector for10km transmission;TX1310nm,RX1550nm,0to60°C operating temperatureSFP-1G10ALC-T WDM-type(BiDi)SFP module with11000BaseSFP port with LC connector for10km transmission;TX1310nm,RX1550nm,-40to85°C operating temperatureSFP-1G10BLC WDM-type(BiDi)SFP module with11000BaseSFP port with LC connector for10km transmission;TX1550nm,RX1310nm,0to60°C operating temperatureSFP-1G10BLC-T WDM-type(BiDi)SFP module with11000BaseSFP port with LC connector for10km transmission;TX1550nm,RX1310nm,-40to85°C operating temperatureSFP-1G20ALC WDM-type(BiDi)SFP module with11000BaseSFP port with LC connector for20km transmission;TX1310nm,RX1550nm,0to60°C operating temperatureSFP-1G20ALC-T WDM-type(BiDi)SFP module with11000BaseSFP port with LC connector for20km transmission;TX1310nm,RX1550nm,-40to85°C operating temperatureSFP-1G20BLC WDM-type(BiDi)SFP module with11000BaseSFP port with LC connector for20km transmission;TX1550nm,RX1310nm,0to60°C operating temperatureSFP-1G20BLC-T WDM-type(BiDi)SFP module with11000BaseSFP port with LC connector for20km transmission;TX1550nm,RX1310nm,-40to85°C operating temperatureSFP-1G40ALC WDM-type(BiDi)SFP module with11000BaseSFP port with LC connector for40km transmission;TX1310nm,RX1550nm,0to60°C operating temperatureSFP-1G40ALC-T WDM-type(BiDi)SFP module with11000BaseSFP port with LC connector for40km transmission;TX1310nm,RX1550nm,-40to85°C operating temperatureSFP-1G40BLC WDM-type(BiDi)SFP module with11000BaseSFP port with LC connector for40km transmission;TX1550nm,RX1310nm,0to60°C operating temperatureSFP-1G40BLC-T WDM-type(BiDi)SFP module with11000BaseSFP port with LC connector for40km transmission;TX1550nm,RX1310nm,-40to85°C operating temperatureSFP-1GEZXLC SFP module with11000BaseEZX port with LC connector for110km transmission,0to60°C operatingtemperatureSFP-1GEZXLC-120SFP module with11000BaseEZX port with LC connector for120km transmission,0to60°C operatingtemperatureSFP-1GLHLC SFP module with11000BaseLH port with LC connector for30km transmission,0to60°C operatingtemperatureSFP-1GLHLC-T SFP module with11000BaseLH port with LC connector for30km transmission,-40to85°C operatingtemperatureSFP-1GLHXLC SFP module with11000BaseLHX port with LC connector for40km transmission,0to60°C operatingtemperatureSFP-1GLHXLC-T SFP module with11000BaseLHX port with LC connector for40km transmission,-40to85°Coperating temperatureSFP-1GLSXLC SFP module with11000BaseLSX port with LC connector for500m transmission,0to60°C operatingtemperatureSFP-1GLSXLC-T SFP module with11000BaseLSX port with LC connector for500m transmission,-40to85°Coperating temperatureSFP-1GLXLC SFP module with11000BaseLX port with LC connector for10km transmission,0to60°C operatingtemperatureSFP-1GLXLC-T SFP module with11000BaseLX port with LC connector for10km transmission,-40to85°C operatingtemperatureSFP-1GSXLC SFP module with11000BaseSX port with LC connector for300/550m transmission,0to60°Coperating temperatureSFP-1GSXLC-T SFP module with11000BaseSX port with LC connector for300/550m transmission,-40to85°Coperating temperatureSFP-1GZXLC SFP module with11000BaseZX port with LC connector for80km transmission,0to60°C operatingtemperatureSFP-1GZXLC-T SFP module with11000BaseZX port with LC connector for80km transmission,-40to85°C operatingtemperatureWall-Mounting KitsWK-60-01Wall-mounting kit,2plates,6screws,60x70x2mmRack-Mounting KitsRK-4U19-inch rack-mounting kitSoftwareMXview-50Industrial network management software with a license for50nodes(by IP address)MXview-100Industrial network management software with a license for100nodes(by IP address)MXview-250Industrial network management software with a license for250nodes(by IP address)MXview-500Industrial network management software with a license for500nodes(by IP address)MXview-1000Industrial network management software with a license for1000nodes(by IP address)MXview-2000Industrial network management software with a license for2000nodes(by IP address)MXview Upgrade-50License expansion of MXview industrial network management software by50nodes(by IP address)©Moxa Inc.All rights reserved.Updated Aug06,2019.This document and any portion thereof may not be reproduced or used in any manner whatsoever without the express written permission of Moxa Inc.Product specifications subject to change without notice.Visit our website for the most up-to-date product information.。
UV产品资料
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98m也165142严90-5-65 LMA会己r o斗气冲:hm=5GM81MOH甲基丙烯酸臭卖醋千o�99n咀n120 29964-84-9 -41 IDMA籍性热塑性丙烯酸树脂;热固性丙烯酸树脂;双组分丙烯酸亩胶童自刑;塑料光导纤维;有机玻躏共累单体;齿科累合物;树脂镜抖共.单体热塑性丙烯酸树�Ii;热固性丙烯酸树脂;双组分丙烯酸酷胶黠剂,塑料光导纤维,有机琅琅共.单体;齿科慧合物;树�Ii镜片共累单体热塑性丙烯酸橱脂;粉末涂制树脂;热固性丙烯酸树脂i双组分丙烯酸醋胶黠刑;塑制改性剂,塑制光导纤维热圄性丙烯酸树脂;纤维处理知j;树脂镜抖共藏单体热固性丙烯酸树脂;纤维处理l'fiJ;树脂镜抖共藏单体热塑性丙烯酸树脂;热固性丙烯酸树脂;双组分丙烯酸酷胶黠剂,塑料光导纤维,有机琅琅共亲单体;齿科慧合物;树脂镜问共累单体热塑性丙烯酸树脂;热圄性丙烯酸树脂;双组分丙烯醋醋胶黠剂;塑和↓光导纤维;手音机玻瑭共累单体;齿科累合物;树脂镜抖共意单体热塑性丙烯酸树脂;热固性丙烯酸树脂;双组分丙烯酸醋胶黠剂溶剂型丙烯酸醋胶黠l'fiJ;纸张涂饰邦J;纤维处理刑;萄机玻班内增塑剂j齿科慧合物热塑性丙烯酸树脂;秀机玻璃内增塑剂;双组分丙烯酸醋跤黠剂,塑料政性剂j热固性丙烯酸树脂;油晶添加剂热塑性丙烯酸树脂;热固性丙烯酸树脂;双组分丙烯酸醋肢黠剂,张涂饰剂;纤维处理剂;皮革处理剂;壳机玻璃内增塑剂;油晶添加剂热塑性丙烯酸树脂;热固性丙烯酸树脂;纸张涂饰刑;纺织晶整理剂;纸张涂饰剂;皮革处理划;壳机玻璃内增塑l'I IJ甲墨丙烯酸握基醋晶名化学名称结构式。
大力神电机选型指南说明书
Stock #Voltage Capacity Weight GPMP054111.1V (3S)3350mAh oz (275g)GPMP05407.4V (2S)3350mAh oz (188g)GPMP054214.8V (4S)3350mAh oz (347g)GPMP054318.5V (5S)3350mAh oz (435g)GPMP05607.4V (2S)5300mAh oz (291g)GPMP056111.1V (3S)5300mAh oz (426g)GPMP056214.8V (4S)5300mAh oz (555g)GPMP056318.5V (5S)5300mAhoz (697g)Type 25C LiPo 25C LiPo 25C LiPo 25C LiPo 25C LiPo 25C LiPo 25C LiPo 25C LiPo9.76.612.215.310.315.419.624.65ELECTRONIC SPEED CONTROL (ESC)The following brushless electronic speed controls are compatible with these motors.ElectriFly Silver Series 80A Brushless ESC High-Volt (GPMM1860)ElectriFly Silver Series 100A Brushless ESC High-Volt (GPMM1870)Castle Creations Phoenix 110 High-Volt Brushless ESC (CSEM2018)Kontronik™ Power Jazz 63V Brushless ESC 120A (KONM3140)6If you know the approximate weight of your airplane, including the motor and battery, and the performance you want from it, answer the questions below to determine the correct power system for your plane. You may need to make more than one calculation using different motors and battery combinations. See the battery section for some of the battery weights for the suggested batteries.1.P erform the following calculation to determine the wattage required:• I f you expect trainer-like performance, then multiply 75 x Airplane Weight (lbs)• I f you expect aerobatic or high speed performance then multiply 100 x Airplane Weight (lbs)• I f you expect 3D or extreme performance multiply 150 x Airplane Weight (lbs)2. T he number you get is the minimum wattage you will need for your plane to perform as you wish.3.S elect a LiPo battery voltage within the recommended range of themotor. Keep in mind that voltage affects prop size (lower voltsrequire bigger props). 12S is a good reference point to start at. See“Sample Power Systems” in this manual.4.D ivide the minimum wattage that you came up with by the voltageyou selected. This will give you the current you should expect.5.D etermine the battery capacity needed based on the current draw of your system and your desired flight time. Be sure to select batteries with the proper C-rating that can deliver the current you need.6. D etermine the ESC you need based on the system current draw.See the ESC section for recommended ESCs.In addition to this procedure, you can also visit the Great Planes ElectriFly web site for descriptions of the power systems recommended for our line of electric and glow airplanes as well as more detailedexplanation on the subject.RECOMMENDEDSETUPRimFire 50cc12S 5300mAh 25C LiPo, 120A ESC,22r 8 glow/gas prop RimFire 65cc 12S 5300mAh 25C LiPo, 120A ESC,24r 8 glow/gas propthe current in check. If a higher voltage battery is replaced by a lower volt-age battery, the size of the propeller can be increased to keep the motor at its rated current.Another possibility to fine tune the power system’s performance is to use another motor with higher kV to increase the current or a lower kV to lower the current.2ACCESSORIESA Great Planes ® Pro ™ Thread Locking Compound (GPMR6060)B Standoff Brushless Motor Mount XX-Large (GPMG1275)C 4mm/6mm Female Bullet Adapter (GPMM3118)D 6mm/4mm Female Bullet Adapter (GPMM3119)E 6mm Bullet Connector Male (GPMM3116)F 6mm Bullet Connector Female (GPMM3117)3PROPELLERSBecause of the high torque of this motor and its ability to spin at high rpm, we recommend against using electric-only propellers. Below is a listing of a few of the recommended props.TOPQ5260 22x10 Power Point ™ ZINQ1803 24x10 Pro-Zinger TOPQ5270 24x10 Power Point ZINQ2014 26x10 Zinger Prop ZINQ1403 20x10 Pro-Zinger ZINQ2017 26x12 Zinger Prop ZINQ1603 22x10 Pro-Zinger4LI-POLY BATTERIES (LIPO)Number of CellsBatteries can be connected in series (S) or in parallel (P). A LiPo battery is advertised by voltage and capacity where each cell carries 3.7 volts. A 4S LiPo battery would be 4 x 3.7V or 14.8V. The capacity is listed in milli-amp hours or mAh, so a 5300mAh battery can discharge a maximum of 5300 milliamp-hours or 5.3 amp-hours. Please also be aware of the battery’s discharge current delivery capability, or C-rating. A 25C, 5300mAh battery will deliver 132.5A of current regardless of voltage.For the most up-to-date list of LiPo batteries, check out the ElectriFly web site at: Thanks for purchasing the ElectriFly RimFire ™ 50cc-65cc Brushless Motor! In order to complete your power system you will need to select the correct LiPo batteries, propeller, ESC, and motor mount. The following instruction manual will explain what you will need to complete your new RimFire power system.1MOTOR87.3mm (50cc)RimFire 50cc (80-75-230) (GPMG4800)Motor Output Shaft Size: 10mm Motor Diameter: 80mm [3.14”]Motor Can Length: 75mm [3.0”]Mounting Space Length: 87.3mm [3.44”]Weight: 1250g [44.1oz]Input Voltage: 33.3-55.5V (9-15S LiPo)Max Continuous Current: 110A (at 12S)Max Continuous Power: 5000W Max Surge Current: 135A (at 12S)Max Surge Power: 6500WProp Range: 22x 8 to 26x10 glow/gas prop Sport Aircraft Weight: 12.7kg [28lbs] [460oz]3D Aircraft Weight: 8.17kg [18lbs] [288oz]RimFire 65cc (80-85-160) (GPMG4805)Motor Output Shaft Size: 10mm Motor Diameter: 80mm [3.14”]Motor Can Length: 85mm [3.35”]Mounting Space Length: 97.3mm [3.83”]Weight: 1480g [52.2oz]Input Voltage: 33.3-55.5V (9-15S LiPo)Max Continuous Current: 135A (at 12S)Max Continuous Power: 7500W Max Surge Current: 150A (at 12S)Max Surge Power: 8400WProp Range: 22x10 to 26x12 glow/gas prop Sport Aircraft Weight: 19.7kg [42lbs] [665oz]3D Aircraft Weight:11.79kg [26lbs] [416oz]Understanding MotorskV (rpm/volt): This is a number that gets thrown around quite a bit when talking electrics and it is important to know what it is. kV is the number of rpm a motor will spin per each volt applied (rpm/volt) under no load.This means that basically a motor that has a kV of 1000 when connected to a 12V battery will try to spin at 12,000rpm (1000x12) under no load. Likewise a 3500kV motor will try to spin at 42,000rpm (3500x12) under no load.When a propeller is attached to the motor, the motor will try to spin the prop at the rated kV. Depending on the diameter and pitch of the propeller (the larger the diameter or higher the pitch, the harder it is for the motor to spin), the motor’s current draw increases as the load increases and decreases as the load decreases. There are meters available from your hobby dealer that measure current and voltage.Because every motor has a maximum current it can take based on its design and cooling ability, the maximum size of propeller that can be used with each motor can be determined. Use a propeller that’s too large and the motor will spin at a much lower rpm than its rated kV, causing it to draw a lot of current and overheat. If the propeller/fan is too small, it will require little effort (current) to turn the prop at the rated kV.Ideally the motor should be matched with a propeller that causes the motor to draw 80-100% of its rated maximum constant current. Once a power system is set up, it can be fine-tuned by adjusting the propeller size and measuring the amount of current the motor is drawing.Please note that the kV of a motor does not change with voltage, but if a higher voltage is applied to the motor, it will try to spin the same propeller at a higher rpm. This will cause the motor to draw more current and possibly exceed the maximum rated current of the motor. So, if a battery with lower voltage is replaced with one with a higher voltage, it is recommended that a smaller propeller be used to keep50CC-65CC BRUSHLESSOUTRUNNER MOTORItems not shown actual size.11There are two ways to connect multiple battery packs: In Series andin Parallel.These are two 33500mAh batteries (one 11.1V and the other 7.4V). When joined in SERIES ,the result will be a 18.5V , 3350 mAh battery.batteries in series.1) Connecting batteries in “Series” means to connect the +’s to the –’s and the –’s to the +’s. This combines the batteries’ voltages, but thecapacity remains the same.These two 3350mAh batteries (both 11.1V) are being joined in PARALLEL . The result will be one 11.1V , 6700mAh battery.This is a PARALLEL battery adapter (GPMM3142) that connects two batteries in parallel.2) Connecting batteries in “Parallel” means to connect the +’s to the +’s and the -’s to the -’s. This combines the batteries’ capacities, butNEVER connect battery packs with different Voltages in Parallel–only combine in Series. Otherwise, the batteries will try to “equalize” with the larger one trying to “charge” the smaller one, thus causing heatAlso NEVER connect battery packs with different capacities in Series or in Parallel.Entire Contents Copyright © 2009 GPMG4800/05Mnl81) Make sure that the ESC you have selected has the proper 6mm female bullet connectors attached to the three motor leads. If it does not, this motor is supplied with 6mm female bullet connectors. These are fitted to the male bullet connectors on the motor leads. Slide them off and solder them to your ESC motor leads. Insulate the bare connector body with some heat-shrink tubing. The heat shrink on the motor wires and the ESC wires must completely cover the gold connectors. If the bare connectors touch each other while power is supplied to the motor, permanent damage to the ESC/motor may result. Note: DO NOT try to remotely mount your ESC by extending the motor lead wires. This will adversely affect motor timing.2) Attach the ESC you have selected to your model in the location suggested by the manufacturer. If your model does not come with mounting equipment for an ESC, fit your ESC to a place where it will receive adequate airflow. Make sure that airflow is directed over the cooling fins of the ESC and that air has a path to exit from the model.3) Attach a suitable battery lead connector from your ESC to your battery. For safety reasons, you may want to build an arming switch which will allow you to quickly and safely arm and disarm your motor without opening or removing any hatch. Keep all leads as short as possible to reduce resistance, and well insulated to eliminate short-circuits.4) Connect the three motor leads from the ESC to the motor. Check to see that the motor rotates in the correct direction. Swap the position of any two motor leads to reverse the rotation of the motor.9RIMFIRE MOTOR MAINTENANCERimFire brushless motors require virtually no maintenance. There are no brushes to wear out and replace. The precision bearings have a very long service life and should last a very long time. The internal parts of the motor should not require any cleaning. The only thing that needs to be checked is to make sure all the screws and set screws remain tight.10IMPORTANT PRECAUTIONS• O nce the battery is connected to the ESC, stay clear of the motor and prop.• D O NOT apply an input voltage that exceeds the maximum specification of each motor.• D O NOT apply currents to the motor that exceed the maximum specifications of each motor.• D O NOT allow the input connectors to accidentally touch each other while power is applied to the motor. Make sure all input connections are insulated electrically.• D O NOT allow water or moisture to enter the motor, as it can cause permanent damage to the motor and possibly short out the attached ESC.• D O NOT cut the wires from the motor. The wires are part of the windings and are coated with an insulating material and cannot be soldered without removing the coating, which is very difficult. If you must remove the bullet connectors, unsolder them. • A llow the motor to cool after each flight.• T he motor shaft of the motor will rotate at very high rpm. DO NOT attempt to touch the shaft while it is rotating. If setting up the motor/ESC on the workbench, make sure the motor is securely attached and that nothing is attached to the motor shaft BEFORE applying power. • N EVER attempt to use a damaged motor (having mechanical or electrical defects).• G reat Planes carries a complete line of Ammo ™ (inrunner style) and RimFire (outrunner style) brushless motors, gear drives, motor mounts, prop adapters and speed controls. For a complete list of these products, check out our web sites at: or visit your nearest hobby shop that carries the full line of Great Planes and ElectriFly products.71) If you will mount your motor directly to the firewall or if you will use the Great Planes 80mm Motor Standoff Motor Mount set, cut out the mounting tem-plate in this man-ual and mount itto your firewall using tape or a spray adhesive. Align the template crosshairs with the centering marks provided on the firewall. Drill four 9/32” [7.1mm] mounting holes.2) Remove the four countersunk screws holding the X-mount to the motor and reinstall them using thread locking com-pound. Remove the set screws from the wheel collar, the rear case, and the frontcase and reinstall them using thread locking compound.3) Determine the mounting space required by your model – this is usually found during the engine/motor installation steps in your model’s instruction manual. Subtract the mounting space of the motor from the total required mounting space. For example, if the mounting space is 184mm [7-1/4”] and we want to mount the 50cc RimFire which itself has a mounting space of 87.3mm [3.44”]:184mm - 87.3mm = 96.7mm4) Using a Great PlanesXX-Large Standoff Brushless Motor Mount set (sold separately, GPMG1275), combine standoffs to achieve the dimension you came up with. You may not get the exact dimension with the standoffs, so check to see if your cowl or balance condition will allow you to increase ordecrease this dimension. The standoffs shown in the photo above combine to make a 100mm standoff dimension.5) Select good quality 1/4-20 bolts that are long enough to fully engage all of the threads of your blind nuts, or use the bolts included with the standoff kit. We used 5” [127mm] long bolts for this example. Attach yourmotor to the firewall using flat washers, lock washers, and thread locking compound.Note: This mounting pattern matches the DLE-55 engine. An optional mount that matches the DA-50 engine is GPMG1214.RimFire 50cc Accessory and Spare PartsGPMM3116 6mm Gold Plated Bullet Cnnectors - Male (3)GPMM3117 6mm Gold Plated Bullet Connectors - Female (3)GPMQ4914 RimFire 50cc and 65cc Replacement Prop DriveGPMG1212 RimFire Backplate Motor Mount for 50cc and 65cc MotorsGPMG1214 Optional DA50 RimFire Backplate Motor Mount for 50cc & 65cc Motors GPMG1438 C-clip (10) for 10mm RimFire Motor Shafts GPMG1462 Bearings (3) for RimFire 50cc and 65cc Motors GPMG1424 Replacement Shaft Kit for RimFire 50cc GPMG1275Stand Off Brushless Motor Mount XX LargeRimFire 65cc Accessory and Spare PartsGPMM3116 6mm Gold Plated Bullet Cnnectors - Male (3)GPMM3117 6mm Gold Plated Bullet Connectors - Female (3)GPMQ4914 RimFire 50cc and 65cc Replacement Prop DriveGPMG1212 RimFire Backplate Motor Mount for 50cc and 65cc MotorsGPMG1214 Optional DA50 RimFire Backplate Motor Mount for 50cc & 65cc Motors GPMG1438 C-clip (10) for 10mm RimFire Motor Shafts GPMG1462 Bearings (3) for RimFire 50cc and 65cc Motors GPMG1426 Replacement Shaft Kit for RimFire 65cc GPMG1275Stand Off Brushless Motor Mount XX Large。
PhiClock PCIe 9FGV1001、9FGV1002、9FGV1004 芯片评估板用户指南
EVK9FGV1001EVK9FGV1002EVK9FGV1004IntroductionThe evaluation board is designed to help the customer evaluate the 9FGV1001, 9FGV1002, and 9FGV1004 devices. When the board is connected to a PC running IDT Timing Commander ™ software through USB, the device can be configured and programmed to generate different combinations of frequencies.Board OverviewUse Figure 1 and Table 1 to identify: power supply jacks, USB connector, input and output frequency SMA connectors.Figure 1. Evaluation Board Overview10111213101234567899FGV1001, 9FGV1002, and 9FGV1004 PhiClock™ PCIe Evaluation BoardUser Guide9FGV1001, 9FGV1002, and 9FGV1004 PhiClock™ PCIe Evaluation Board User GuideBoard Power SupplyThe evaluation board uses jumpers E1–E6 to set the power supply voltages for various V DD pins. The 4-way jumpers can select 3 different voltages from regulators that use power from the USB port. Selection #2 is the jack for connecting a bench power supply.E1: Power supply for the REF outputs. The E1 voltage also determines the LVCMOS output levels of the REF0 and REF1 outputs.E2: Power supply for the OUT0 output driver.E3: Power supply for the OUT1 output driver.E4: Power supply for the analog (V DDA ) and digital (V DDD ) core V DD pins.E5: Power supply for the OUT2 output driver.E6: Power supply for the OUT3 output driver.See 9FGV100x Evaluation Board Schematics (Figure 5–Figure 8) for detailed information.Table 1. Evaluation Board Pins and FunctionsLabel NumberNameOn-board Connector LabelFunction1I2C Interface ConnectorJ2Alternative I 2C interface connector for Aardvark.IDT Timing Commander can also use Aardvark.2USB Connector J6Connect this USB to your PC to run IDT Timing Commander.The board can be powered from the USB port.3Output Power Supply Jack J3Connect to 1.8V, 2.5V or 3.3V for the output voltage of the device.4Core Power Supply JackJ4Connect to 1.8V, 2.5V or 3.3V for the core voltage of the device.5Ground Jack J5Connect to ground of power supply.6Differential Output 1S7 and S10Can be a differential pair, or two single-ended outputs.Available logic types: LVCMOS, LVDS and LP-HCSL.7Differential Output 2S6 and S9Can be a differential pair, or two single-ended outputs.Available logic types: LVCMOS, LVDS and LP-HCSL.8Differential Output 3S5 and S8Can be a differential pair, or two single-ended outputs.Available logic types: LVCMOS, LVDS and LP-HCSL.9Reference Output 0S1Reference or buffered output from the crystal.10Power Supply VoltageSelector E1, E2, E3, E4, E5, E6VDD_REFP1, VDDO_0, VDDO_1, four-way headers used to select a power supply voltage. Connect the center pin to one of the 4 surrounding pins to select a voltage or a source.11Reference Output 1S2Reference or buffered output from the crystal.12Differential Output 0S3 and S4Can be a differential pair, or two single-ended outputs.Available logic types: LVCMOS, LVDS and LP-HCSL.13DIP SwitchU2Used to control certain pins like OEA, OEB, SEL0, SEL1 and I 2C versus Hardware Select mode.9FGV1001, 9FGV1002, and 9FGV1004 PhiClock™ PCIe Evaluation Board User GuideDIP Switch (U2)Refer to Figure 2 and Table 2 for the DIP switch settings and functions.Figure 2. DIP Switch (U2)Interfacing with a Computer to Run Timing CommanderAs shown in Figure 3, jumpers JP1 and JP2 are installed to use the FTDI chip U6 for connecting to the computer with the USB port J6. The U6 chip translates USB to I 2C.When using Aardvark, remove jumpers JP1 and JP2 and connect the Aardvark to connector J2. Default I 2C device address for the 9FGV100x is 0x68.Miscellaneous interfaces can connect to J2 pin 1 for the Serial Clock and to J2 pin 3 for the Serial Data signal. J2 pin 2 can be used as ground, but any other ground pin will also work.When OTP in the 9FGV100x devices is burned with multiple configurations, JP1 and JP2 can be applied in JP3 position respectively to connect the SEL0 and SEL1 switches in U2. Move switch 8 to “+” and power-up the 9FGV100x in Hardware Select mode. This enables changing between 4 configurations with SEL0/1.Table 2. DIP Switch SettingsSwitch Number Function1 = OEA See datasheet.2 = OEB3 = SEL0Select 1 of4 pre-programmed configurations when in Hardware Select mode. Also see switch 8.4 = SEL15Not used.6Not used.7Not used.8 = ModeSelects operating mode at power-up.“-” or “O” selects I 2C mode.“+” selects Hardware Select mode.9FGV1001, 9FGV1002, and 9FGV1004 PhiClock™ PCIe Evaluation Board User Guide Figure 3. Connecting to a Computer via USB Port J6On-board CrystalA 25MHz crystal is installed on the board and is used as the reference frequency. The board can also be modified to insert an external reference clock into the XIN pin using SMA connector S11. When using an external reference clock, additional components need to be assembled and the crystal needs to be removed.Output TerminationsEach differential output has a pair of SMA connectors to connect to a 50Ω coax. It is recommended to combine the two signals using a balun or splitter/combiner device when measuring jitter or phase noise. The circuit at the SMA connectors is shown in Figure 4.Figure 4. SMA Connectors Circuit9FGV1001, 9FGV1002, and 9FGV1004 PhiClock™ PCIe Evaluation Board User Guide The circuit is designed for maximum flexibility when testing all possible logic types. Default assembly uses a 0.1μF capacitor in place of R14 and R16, and the short across R14 and R16 is cut. No other devices are assembled. This simple AC-coupled configuration allows for testing phase noise and jitter of all possible logic types. The circuit can be modified for custom tests. TP3 is a position to place a differential FET probe.Operating Instructions1.Set all jumpers for power supply choices (E1–E6), interface choices (JP1 and JP2), and set the U2 switches.2.Connect an interface: USB or I2C.3.In the case of an I2C interface, also connect external power supply to jacks J3, J4 and J5.4.Start Timing Commander for either USB or Aardvark.a.Start new configuration or load TCS file for existing configuration.b.Choose PhiClock personality.c.For Aardvark, click to select Aardvark “Connection Interface”.d.For a new configuration, prepare all settings.e.Click to connect to the 9FGV100x device. Top right should turn green.f.Click to write all settings to the 9FGV100x device.g.It should now be possible to measure clocks on outputs.h.While connected, each change to the settings will be written to the 9FGV100x immediately and can be observed at the clock outputs.9FGV1001, 9FGV1002, and 9FGV1004 PhiClock™ PCIe Evaluation Board User Guide Schematics9FGV1001, 9FGV1002, and 9FGV1004 PhiClock™ PCIe Evaluation Board User Guide Figure 6. 9FGV100x Evaluation Board Schematic – page 29FGV1001, 9FGV1002, and 9FGV1004 PhiClock™ PCIe Evaluation Board User Guide Figure 7. 9FGV100x Evaluation Board Schematic – page 39FGV1001, 9FGV1002, and 9FGV1004 PhiClock™ PCIe Evaluation Board User Guide Figure 8. 9FGV100x Evaluation Board Schematic – page 410©2018 Integrated Device Technology, Inc.March 1, 2018DISCLAIMER Integrated Device Technology, Inc. (IDT) and its affiliated companies (herein referred to as “IDT”) reserve the right to modify the products and/or specifications described herein at any time,without notice, at IDT’s sole discretion. Performance specifications and operating parameters of the described products are determined in an independent state and are not guaranteed to perform the same way when installed in customer products. The information contained herein is provided without representation or warranty of any kind, whether express or implied, including, but not limited to, the suitability of IDT's products for any particular purpose, an implied warranty of merchantability, or non-infringement of the intellectual property rights of others. This document is presented only as a guide and does not convey any license under intellectual property rights of IDT or any third parties.IDT's products are not intended for use in applications involving extreme environmental conditions or in life support systems or similar devices where the failure or malfunction of an IDT product can be rea-sonably expected to significantly affect the health or safety of users. Anyone using an IDT product in such a manner does so at their own risk, absent an express, written agreement by IDT.Integrated Device Technology, IDT and the IDT logo are trademarks or registered trademarks of IDT and its subsidiaries in the United States and other countries. Other trademarks used herein are the property of IDT or their respective third party owners. For datasheet type definitions and a glossary of common terms, visit /go/glossary . Integrated Device Technology, Inc.. All rights reserved.Tech Support/go/supportSales 1-800-345-7015 or 408-284-8200 Fax: /go/sales Corporate Headquarters 6024 Silver Creek Valley RoadSan Jose, CA 95138 USA 9FGV1001, 9FGV1002, and 9FGV1004 PhiClock™ PCIe Evaluation Board User GuideOrdering InformationRevision History Orderable Part NumberDescriptionEVK9FGV1001Evaluation board with all differential outputs AC coupled.EVK9FGV1002EVK9FGV1004Revision DateDescription of ChangeMarch 1, 2018Initial release.EVK9FGV1001EVK9FGV1002EVK9FGV1004。
一例男变女面部性别转换术的临床体会
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聚四氟乙烯材料力学性能参数表
1.聚四氟乙烯聚四氟乙烯是用于密封的氟塑料之一。
聚四氟乙烯以碳原子为骨架,氟原子对称而均匀地分布在它的周围,构成严密的屏障,使它具有非常宝贵的综合物理机械性能(表14—9)。
聚四氟乙烯对强酸、强碱、强氧化剂有很高的抗蚀性,即使温度较高,也不会发生作用,其耐腐蚀性能甚至超过玻璃、陶瓷、不锈钢以至金、铂,所以,素有“塑料王”之称。
除某些芳烃化合物能使聚四氟乙烯有轻微的溶胀外,对酮类、醇类等有机溶剂均有耐蚀性。
只有熔融态的碱金属及元素氟等在高温下才能对它起作用。
聚四氟乙烯的介电性能优异,绝缘强度及抗电弧性能也很突出,介质损耗角正切值很低,但抗电晕性能不好。
聚四氟乙烯不吸水、不受氧气、紫外线作用、耐候性好,在户外暴露3年,抗拉强度几乎保持不变,仅伸长率有所下降。
聚四氟乙烯薄膜与涂层由于有细孔,故能透过水和气体。
表14-9聚四氟乙烯性能聚四氟乙烯在200℃以上,开始极微量的裂解,即使升温到结晶体熔点327℃,仍裂解很少,每小时失重为万分之二。
但加热至400℃以上热裂解速度逐渐加快,产生有毒气体,因此,聚四氟乙烯烧结温度一般控制在375~380℃。
聚四氟乙烯分子间的范德华引力小,容易产生键间滑动,故聚四氟乙烯具有很低的摩擦系数及不粘性,摩擦系数在已知固体材料中是最低的。
聚四氟乙烯的导热系数小,该性能对其成型工艺及应用影响较大。
其不但导热性差,且线膨胀系数较大,加入填充剂可适当降低线膨胀系数。
在负荷下会发生蠕变现象,亦称作“冷流”,加入填充剂可减轻蠕变程度。
聚四氟乙烯可以添加不同的填充剂,选择的填充剂应基本满足下述要求:能耐380℃高温即四氟制品的烧结温度;与接触的介质不发生反应;与四氟树脂有良好的混入性;能改善四氟制品的耐磨性、冷流性、导热性及线膨胀系数等。
常用的填充剂有无碱无蜡玻璃纤维、石墨、碳纤维、MoS2、A123、CaF2、焦炭粉及各种金属粉。
如填充玻璃纤维或石墨,可提高四氟制品的耐磨、耐冷流性,填充MoS2可提高其润滑性,填充青铜、钼、镍、铝、银、钨、铁等,可改善导热性,填充聚酰亚胺或聚苯酯,可提高耐磨性,填充聚苯硫醚后能提高抗蠕变能力,保证尺寸稳定等。
UGREEN磁吸无线充电器15W使用说明书
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大学工程力学题目与参考答案
工程力学一、推断盟1. 力对点之矩与矩心位置有关,而力偶矩则与矩心位置无关。
2. 轴向拉压时无论杆件产生多大的变形,正应力与正应变成正比。
3. 纯弯曲的梁,横截面上只有剪力,没有弯矩。
4. 弯曲正应力在横截面上是匀称分布的。
5. 集中力所在截面上,剪力图在该位置有突变,且突变的大小等于该集中力。
6. 构件只要具有足够的强度,就可以平安、牢靠的工作。
7. 施加载荷使低碳钢试件超过屈服阶段后再卸载,材料的比例极限将会提高。
8. 在集中力偶所在截面上,剪力图在该位置有突变。
9. 小柔度杆应按强度问题处理。
10. 应用平面随意力系的二矩武方程解平衡问题时,两矩心位置均可随意选择,无任何限制。
11. 纯弯曲梁横截面上任一点,既有正应力也有剪应力。
12. 最大切应力作用面上无正应力。
13. 平面平行力系有3个独立的平衡方程。
14. 低碳钢试件在拉断时的应力为其强度极限。
15. 若在一段梁上作用着均布载荷,则该段梁的弯矩图为倾针直线。
16. 仅靠静力学平衡方程,无法求得静不定问题中的全部未知量。
17. 无论杆件产生多大的变形,胡克定律都成立。
18. 在集中力所在截面上,弯矩图将出现突变。
二、单项选择题:1. 图1所示杆件受力,11、22、3-3截面上轴力分别是23I4P f'I2 3图1C.O, F , 0D.O, 4F , 3FA. 0, 4F , 3FB. -4F , 4F , 3F-------------------------------------------------------------------------- --2. 图2所示板和柳钉为同一材料,巳知[CY bs ] = 2[r ]。
为充分提高材料利用率,则柳钉的直径应当是[---..图248 88C. d=—D. d=—冗冗3. 光滑支承面对物体的约束力作用于接触点,其方向沿接触面的公法线A. 指向受力物体,为压力B. 指向受力物体,为拉力C. 背离受力物体,为压力D. 背离受力物体,为拉力4. 一等直拉杆在两端承受轴向拉力作用,若其一半为钢,另一半为铝,则两段的A. 应力相同,变形相同 B. 应力相同,变形不同C. 应力不同,变形相同 D. 应力不同,变形不同5. 铸铁试件扭转破坏是A. 沿横截面拉断C. 沿横截面剪断A. d = 28B. d =48 -- -- ------ --B. 沿45°螺旋面拉断D. 沿45°螺旋面剪断6. 图2跨度为1的简支梁,整个梁承受均布载荷q时,5ql4梁中点挠度是w= '图示简支梁跨中挠度是[]C 384£/ qAC B r l/2 +l /2 cc-j图2A 5ql 4768£/ B. 5ql4192£/ C5ql41536£/D. 5ql4384£/7. 塑性材料冷作硬化后,材科的力学性能改变的是A. 比例极限提高,弹性模量降低B. 比例极限提高,塑性降低C. 比例极限不变,弹性模量不变D. 比例极限不变,塑性不变8. 铸铁试件轴向拉伸破坏是A. 沿横截面拉断B. 沿45°斜截面拉断C. 沿横截面剪断D. 沿45°斜截面剪断9. 各向同性假设认为,材料沿各个方向具有相同的A.外力B. 变形C.位移D.力学性质10. 材料不同的两根受扭圆轴,其直径和长度均相同,在扭矩相同的状况下,和相对扭转角之间的关系正确的是A. 最大切应力相等,相对扭转角相等C. 最大切应力不相等,相对扭转角相等11. 低碳钢试件扭转破坏是A. 沿横截面拉断B.沿45°螺旋面拉断C. 沿横截面剪断D. 沿45°螺旋面剪断12. 整根承受均布载荷的简支梁,在跨度中间处A. 剪力最大,弯矩等于零B.剪力等于零,弯矩也等于零C. 剪力等于零,弯矩为最大D.剪力最大,弯矩也最大------------它们的最大切应力[]B. 最大切应力相等,相对扭转角不相等D. 最大切应力不相等,相对扭转角不相等[]----三、填空题:1. 圆轴扭转时,横截面上各点的切应力与其到圆心的距离成2. 梁上作用着均布载荷,该段梁上的弯矩图为3.偏心压缩为的组合变形。
24乘24点阵汉字显示设计
湖北师范学院教育信息与技术学院2011级信息工程专业综合课程设计(二)HUBEI NORMAL UNIVERSITY综合课程设计(二)Integrated Curriculum Design(2)所在院系教育信息与技术学院专业名称信息工程班级1102题目LED点阵(24*24)汉字系统设计指导教师成员完成时间2013.6.27一、设计任务及要求:设计任务: LED点阵(24*24)汉字系统设计要求:1.通过设计实现24*24点阵汉字系统。
2.依次开始显示“教育信息与技术学院”字体。
3.通过Proteus进行电路仿真,以及使用Keil软件编程。
4.提交实物。
指导教师签名:2013年月日二、指导教师评语:指导教师签名:2013年月日三、成绩验收盖章2013年月日目录1 设计目的 (1)2 设计思路 (1)3 设计过程 (1)3.1时钟电路模块 (2)3.2复位电路模块 (2)3.3单片机控制模块 (3)3.4 显示模块 (4)3.5 列控制模块 (4)3.6 行控制模块 (5)3.7 汉字取模 (5)4电路仿真与分析 (6)4.1 仿真结果显示 (6)4.2 仿真分析 (8)5 焊接实物 (9)5.1点阵部分 (9)5.2 最小系统 (10)5.3整体实物图 (10)5.4 焊接线路图 (11)6 总结 (11)参考文献 (12)附件 (13)LED点阵(24*24)汉字系统设计1 设计目的(1) 熟悉Proteus仿真软件的使用,了解各元件的功能及作用;(2) 熟悉LED点阵的行与列的判别方法,以及熟悉一般设计过程。
(3) 熟悉AT89C52单片机的基本结构、引脚功能、存储器结构等基本知识。
(4) 掌握74HC138芯片的引脚功能及使用方法,芯片的级联方法,以及掌握电路的基本调试能力。
(5) 掌握Keil软件的使用方法,以及如何创建文件和编写程序。
2 设计思路本次设计采用Proteus单片机仿真平台对用9个8*8点阵组成的24*24点阵式LED显示屏进行仿真设计,实现汉字显示。
普通话测试词语(含拼音)详
普通话测试词语(含拼音)详字词音频 [表一 ] 第1-100条1 阿ü2 阿姨üy í3 挨üi4 挨ái5 矮ǎi6 爱ài7 爱国àigu ?8 爱好àih ào9 爱护àih ù10 爱情àiq íng 11 爱人àiren 12 安ün 13 安定ünd ìng 14 安静ünj ìng 15 安排ünp ái 16 安培ünp ?i 17 安全ünqu án 18 安慰ünw ai 19 安心ünx ?n 20 安置ünzh ì 21 安装ünzhu üng22 氨ün 23氨基酸ünj ?su ün 24 岸àn25 按àn 26 按照ànzh ào 27 案àn 28 案件ànji àn 29 暗àn 30 暗示ànsh ì31 暗中ànzh ōng 32 凹üo33 熬áo 34 敖áo 35 奥秘àom ì36 奥运会àoy ùnhu ì37 八 b ü38 巴 b ü39 扒 b ü40 拔 b á41 把b ǎ42 把握b ǎw ?43 把儿 b àr 44 爸 b à45 爸爸 b àb à46 罢 b à47 罢工b àg ōng 48 白 b ái49 白色 b áis a50 白天b ái ? ti ün51 百b ǎi 52 百年b ǎini án53 百姓b ǎix ìng 54 摆b ǎi 55 摆动b ǎid ?ng 56 摆脱b ǎitu ō57 败 b ài 58 拜 b ài 59 班 b ün 60 般 b ün 61 颁布 b ünb ù62 搬 b ün 63 搬家 b ünji ü64 搬运 b üny ùn 65 板b ǎn 66 板凳b ǎnd an g 67 版块b ǎnku ài 68 版b ǎn69 办 b àn 70 办法b ànf ǎ71 办公室b àng ōngsh ì72 办理b ànl ǐ73 办事 b ànsh ì74 半 b àn 75 半导体b ànd ǎot ǐ76 半岛b ànd ǎo 77 半径 b ànj ìng 78 半天 b ànti ün 79 半夜 b àny a80 扮演b àny ǎn 81 伴 b àn 82 伴随 b ànsu í83 伴奏 b ànz ?u 84 瓣 b àn85 帮 b üng 86 帮忙 b üngm áng87 帮助 b üngzh ù88 榜样b ǎngy àng89 棒 b àng 90 傍晚b àngw ǎn 91 包 b üo 92 包袱 b üofu 93 包干儿 b üog ànr 94 包含 b üoh án 95 包括 b üoku ?96 包围 b üow ?i97 包装 b üozhu üng98 孢子b üoz ǐ99 炮 p üo 100 薄 b áo字词音频 [表一 ] 第 101-200条101饱 b ǎo 102 饱和b ǎoh ?103 宝b ǎo 104 宝贝b ǎob ai 105宝贵b ǎogu ì106 宝石b ǎosh í107 保b ǎo 108 保持b ǎoch í109保存b ǎoc ún 110 保管b ǎogu ǎn 111 保护b ǎoh ù112 保留b ǎoli ú11保守 b ǎosh ǒu 114 保卫b ǎow ai 115 保险b ǎoxi ǎn 116 保障b ǎozh àng311 7 保证b ǎozh ang118 报 b ào 119 报酬b ào ? ch ?u 120 报道 b àod ào121报复b ào ? f ù122 报告 b àog ào 123 报刊 b àok ün 124 报名 b àom íng 12 5报纸b àozh ǐ126 抱 b ào 127 暴动 b àod ?ng 128 暴力 b àol ì129暴露 b àol ù130 暴雨b àoy ǔ131 爆发 b àof ü132 爆炸 b àozh à13 3杯 b yi 134 背 b yi 135 悲哀 b yi üi 136 悲惨b yic ǎn 137悲剧 b yij ù138 北 b ti 139 北方 b tif üng 140 贝 b ai 141备 b ai 142 背 b ai 143 背后 b aih ?u 144 背景b aij ǐng 145倍 b ai 146 被 b ai 147 被动 b aid ?ng 148 被告 b aig ào 149被子 b aizi 150 辈 b ai 151 奔 b yn 152 奔跑b ynp ǎo 153本 b tn 154 本地 b tnd ì155 本来 b tnl ái 156 本领b tnl ǐng 157本能 b tnn ?ng 158 本人 b tnr ?n 159 本身 b tnsh yn 160 本事 b tnsh ì16 1本事 b tnshi 162 本体b tnt ǐ163 本性 b tnx ìng 164 本质 b tnzh ì16 5 苯 b tn 166 奔 b an 167 笨 b an 168 崩溃 b yngku ì169蹦 b ang 170 逼 b ?171 鼻 b í172 鼻孔b ík ǒng 173鼻子 b ízi 174 比b ǐ175 比价b ǐji à176 比较b ǐji ào 177比例b ǐl ì178 比如b ǐr ú179 比赛b ǐs ài 180 比喻b ǐy ù181比重b ǐzh ?ng 182 彼b ǐ183 彼此b ǐc ǐ184 笔b ǐ185笔记b ǐj ì186 笔者b ǐzh t187 必 b ì188 必定 b ìd ìng18 9 必然 b ìr án 190必然性b ìr ánx ìng191 必须b ìx ū192 必需b ìx ū193必要 b ìy ào 194 毕竟 b ìj ìng 195 毕业 b ìy a196 闭 b ì19 7闭合 b ìh ?198 壁 b ì199 壁画 b ìhu à200 避 b ì字词音频 [表一 ] 第 201-300条201避免b ìmi ǎn 202 臂 b ì203 边 bi ün 204 边疆 bi ünji üng20 5 边界 bi ünji a206 边境bi ünj ìng207 边区bi ünq ū208 边缘 bi ünyu án209编 bi ün 210 编辑 bi ünj í211 编写 bi ünxi t212 编制 bi ünzh ì21 3 鞭 bi ün 214 鞭子 bi ünzi 215 扁bi ǎn 216 变 bi àn21 7 变动 bi ànd ?ng218 变法bi ànf ǎ219 变革 bi àng ?220 变更 bi àng yng 22 1 变化 bi ànhu à222 变换bi ànhu àn223 变量bi ànli àng224 变迁 bi ànqi ün22 5 变态 bi ànt ài 226 变形bi ànx íng227 变异 bi àny ì228 便 bi àn229便利 bi ànl ì230 便于 bi àny ú231 遍 bi àn 232 辨 bi àn 233辨别 bi ànbi ?234 辨认 bi ànr an 235 辩护 bi ành ù236 辩证 bi ànzh ang 23 7 辩证法bi ànzh angf ǎ238 标 bi üo 239 标本 bi üob tn 240 标题 bi üot í24 1 标语bi üoy ǔ242 标志 bi üozh ì243 标准bi üozh ǔn 244标准化bi üozh ǔnhu à24 5 表bi ǎo 246 表层 bi ǎoc ?ng247 表达bi ǎod á248 表面bi ǎomi àn24 9 表明bi ǎom íng250 表皮bi ǎop í251 表情bi ǎoq íng 252 表示bi ǎosh ì 25 3 表述bi ǎosh ù254 表现。
汉语拼音字母描红(A打印)
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引导语:人生的路上,总是有许多困境,一路坎坷不断的阻拦着我们的脚步。
可是遇到坎坷时,你是退缩还是前进?是弃还是继续呢?看看这些小故事吧,虽然是小故事里面却隐藏着大道理哦!1.有个老人爱清静,可附近常有小孩玩,吵得他要命,于是他把小孩召集过来,说:我这很冷清,谢谢你们让这更热闹,说完每人发三颗糖。
孩子们很开心,天天来玩。
几天后,每人只给2颗,再后来给1颗,最后就不给了。
孩子们生气说:以后再也不来这给你热闹了。
老人清静了。
感悟:抓住人性的弱点,无事不成。
2.两马各拉一货车。
一马走得快,一马慢吞吞。
于是主人把后面的货全搬到前面。
后面的马笑了:“切!越努力越遭折磨!”谁知主人后来想:既然一匹马就能拉车,干嘛养两匹?最后懒马被宰掉吃了。
这就是经济学中的懒马效应。
感悟:让老板觉得你可有可无,你被踢开的日子就不远了。
3.夜市有两个面线摊位。
摊位相邻、座位相同。
一年后,甲赚钱买了房子,乙仍无力购屋。
为何?原来,乙摊位生意虽好,但刚煮的面线很烫,顾客要15分钟吃一碗。
而甲摊位,把煮好的面线在冰水里泡30秒再端给顾客,温度刚好。
感悟:为客户节省时间,钱才能进来快些。
4.一禅师见一蝎子掉到水里,决心救它。
谁知一碰,蝎子蛰了他手指。
禅师无惧,再次出手,岂知又被蝎子狠狠蛰了一次。
旁有一人说:它老蜇人,何必救它?禅师答:蜇人是蝎子的天性,而善是我的天性,我岂能因为它的天性,而放弃了我的天性。
感悟:我们的错误在于,因为外界过多地改变了自己。
5.曼德拉曾被关压27年,受尽虐待。
他就任总统时,邀请了三名曾虐待过他的看守到场。
当曼德拉起身恭敬地向看守致敬时,在场所有人乃至整个世界都静了下来。
他说:当我走出囚室,迈过通往自由的监狱大门时,我已经清楚,自己若不能把悲痛与怨恨留在身后,那么我仍在狱中。
感悟:原谅他人,其实是升华自己。
6.有人问农夫:“种了麦子了吗?”农夫:“没,我担心天不下雨。
”那人又问:“那你种棉花没?”农夫:“没,我担心虫子吃了棉花。
”那人再问:“那你种了什么?”农夫:“什么也没种,我要确保安全。
”感悟:一个不愿付出、不愿冒风险的人,一事无成对他来说是再自然不过的事。
7.三人出门,一带伞,一带拐杖,一空手。
回来时,拿伞的湿透了,拿拐杖的跌伤了,第三个好好的。
原来,雨来时有伞的大胆地走,却被淋湿了;走泥路时,拄拐杖的莽撞地走,时常跌倒;什么都没有的,大雨来时躲着走,路不好时小心走,反倒无事。
感悟:很多时候,我们不是败在缺陷上,而是败在优势里。
8.一个小镇中,一位商人开了一个加油站,生意特别好,第二个来了,开了一个餐厅,第三个开了一个超市,这片很快就繁华了。
另一个小镇,一位商人开了一个加油站生意特别好,第二个来了,开了第二个加油站,第三个、第四个恶性竞争大家都没得玩。
感悟:一味走别人的路必将堵死自己的路。
9.一只乌鸦在飞行的途中碰到回家的鸽子。
鸽子问:你要飞到哪?乌鸦说:其实我不想走,但大家都嫌我的叫声不好,所以我想离开。
鸽子告诉乌鸦:别白费力气了!如果你不改变声音,飞到哪都不会受欢迎的。
感悟:如果你希望一切都能变得更加美好,就从改变自己开始。
10.一户人家有三个儿子,他们从小生活在父母无休止的争吵当中,他们的妈妈经常遍体鳞伤。
老大想:妈妈太可怜了!我以后要对老婆好点。
老二想:结婚太没有意思,我长大了一定不结婚!老三想:原来,老公是可以这样打老婆的啊!感悟:即使环境相同,思维方式不同也会影响人生的不同。
11.小和尚负责清扫寺院落叶,每天要很长时间才能扫完。
有人对他说:“你打扫前用力摇树,把落叶统统摇下来,明天就不用打扫了。
”小和尚觉得很对,就高兴地照办了,可第二天院子里如往日一样满地落叶。
无论你今天怎么用力,明天的落叶还是会飘下来。
感悟:活在当下。
12.野猪和马一起吃草,野猪时常使坏,不是践踏青草,就是把水搅浑。
马十分恼怒,一心想要报复,便去请猎人帮忙。
猎人说除非马套上辔头让他骑。
马报复心切,答应了猎人的要求。
猎人骑上马打败了野猪,随后又把马牵回去,拴在马槽边,马失去了原先的自由。
感悟:你不能容忍他人,就会给自己带来不幸。
13.人骑自行车,两脚使劲踩1小时只能跑10公里左右;人开汽车,一脚轻踏油门1小时能跑100公里;人坐高铁,闭上眼睛1小时也能跑300公里;人乘飞机,吃着美味1小时能跑1000公里。
感悟:人还是那个人,同样的努力不一样的平台和载体,结果就不一样了。
14.朋友看中一台电脑,需要9000元。
他每月的收入只有2000.老婆对他说,你疯了,你买了就离婚。
他问我怎么办。
我说,你配不上那个电脑。
连自己喜欢的东西都没勇气去争取你将来在社会上还能混成啥样?他咬咬牙买了。
为了还债他开始不停的兼职。
终于在一个月内还清了所有的余款。
他的妻子并没有因为他的疯狂而离开他。
他的妻子把他带进了车市,说:老公,我们贷款买了这辆宝马吧。
他一开始吓死了。
以为老婆是疯了。
1年后他还清了宝马的贷款。
感悟:有时候人的潜能,你不逼他就永远也发挥不出来。
15.过去,有一个人提着一个非常精美的罐子赶路,走着走着,一不小心,“啪”的一声,罐子摔在路边一块大石头上,顿时成了碎片。
路人见了,唏嘘不已,都为这么精美的罐子成了碎片而惋惜。
可是那个摔破罐子的人,却像没这么回事一样,头也不扭一下,看都不看那罐子一眼,照旧赶他的路。
这时过路的人都很吃惊,为什么此人如此洒脱,多么精美的罐子啊,摔碎了多么可惜呀!甚至有人还怀疑此人的神经是否正常。
事后,有人问这个人为什么要这样?这人说:“已经摔碎了的罐子,何必再去留恋呢?”感悟:洒脱是一种摆脱了失去和痛苦的超级享受。
失去了就是失去了,何必还要空留恋呢16.一把坚实的大锁挂在大门上,一根铁杆费了九牛二虎之力,还是无法将它撬开。
钥匙来了,它瘦小的身子钻进锁孔,只轻轻一转,大锁就“啪”的一声打开了。
铁杆奇怪地问:“为什么我费了那么大力气也打不开,而你却轻而易举地就把它打开了呢?”钥匙说:“因为我最了解它的心。
感悟:每个人的心,都像上了锁的大门,任你再粗的铁棒也撬不开。
唯有关怀,才能把自己变成一只细腻的钥匙,进入别人的心中,了解别人。
17.有位企业家在商场上有着惊人的成就。
当他在事业达到巅峰的时候,有一天陪同他的父亲,到一家高贵的餐厅用餐,现场有一位琴艺不凡的小提琴手正在为大家演奏。
这位企业家在聆赏之余,想起当年自己也曾学过琴,而且几乎为之疯狂,便对他父亲说:“如果我从前好好学琴的话,现在也许就会在这儿演奏了。
”“是呀,孩子,”他父亲回答,“不过那样的话,你现在就不会在这儿用餐了。
感悟:我们常为失去的机会或成就而嗟叹,但往往忘了为现在所拥有的感恩。
磨练召唤成功的力量18.豆子如果卖不出去,就让豆子发成豆芽卖。
豆芽卖不出去,再卖豆苗。
豆苗再卖不出去,移植到花盆里卖盆景。
如果盆景也卖不出去,就再次移植到泥土里,等它长大。
几个月后,又会结出许多新豆子,一粒豆子变成成千上万颗豆子,这样的买卖岂不划算。
感悟:机遇只偏爱那些有头脑的人。
”没有卖不出去的豆子,同样也没有找不到的机会,关键是你是否做好了准备。
19.鲁迅曾经说过这样一段意味深长的话:“我每次看运动会时,常常这样想:优胜者固然可敬,但那些虽然落后而仍非跑到终点不止的竞技者,和见了这样的竞技者而肃然不笑的看客,乃正是中国的脊梁。
在人生这个大运动会场上,那些不甘落后,不怕失败,始终向着既定目标的奋斗者,确实是最可尊敬的。
感悟:生活中常常有平凡,不起眼的人,但他们所做的贡献是无私的。
像这样的人是值得每一个人尊敬的。
20.三个砌墙工人在砌墙,有人问其中一个说:“你在做什么?”这个工人说:“没看见吗?我在砌墙!”于是他转身问第二人:“你在做什么呢?”第二个说:“我在建一幢漂亮的大楼!”这人又问第三人,第三人嘴里哼着小调,欢快地说:“我在建一座美丽的城市。
”最后第三人成为了一个有名的建筑师。
感悟:以快乐的心情面对,在平凡中感知不平凡,在简单中构筑自己的梦想,这样的人又有什么样的困难不可以克服呢?21.有一位木匠善制桌子。
他不仅把桌面刨得十分平滑,而且连抽屉的背面、底板都刨得十分光滑。
有人劝他说:“抽屉背面和底板别人看不见,何必刨得那么光滑?”他说:“别人看不见,我却看得见。
感悟:做任何事都不要只做表面功夫。
虽然也许别人不知道,但你自己知道。
难道你的良心很安吗?不要做虚伪的事。
22.淮阴屠宰场里有侮辱韩信的年轻人,他当众侮辱韩信说:“韩信你如果不怕死,就用刀刺我;如果怕死,就从我裤裆下钻过去。
”于是韩信仔细看着他,俯下身子从那人的裆下匍匐钻过去。
整个市场中的人都嘲笑韩信,认为他是胆怯的。
这就是胯下之辱。
感悟:做大事者不拘小节。
忍一时之辱,成就将来。
不要在乎别人的眼光,昂头向前走。
23.一位青年去拜访画家门采尔在:“为什么我画一幅画,只消一天功夫,可卖掉它却要整整一年?”“请你倒过来试试。
你花一年功夫画一幅画,兴许一天就能卖掉。
”门采尔说。
青年照办:观察,写生,构思,创作。
后来事实果然如此。
感悟:一件事物的价值,在于你投入了多少精力。
有付出,才会有收获。
24.从前有一个人很热爱书法,他家里很穷,开始时他还是用墨汁写字。
后来没有了,他便用米汤在宣纸上写了一遍拿到外面晒干了再写,直到宣纸不能再写为止。
这时那宣纸足足厚了一倍。
可是最后他连宣纸都买不起,于是他每天就拿一木棍在屋外沙地上写。
后来他便成了著名的书法家。
感悟:无论多么艰难的环境也都阻挡不了我们的梦想,努力地向梦想奋斗,总有收获的一天。
编后语:看完之后,你是不是也感悟到了许多,从中受到了许多启发。
亲爱的,你只要记得,无论何时都不要让自己陷入困境之中,即使陷入了,也不要轻易放弃!。