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单片机频率计
- 此频率计是用单片机89C51和几块数字电路几个三极管，和一个微波集成电路构成。可测量频率最高为2G！分辨力为1HZ！电路中R16---R27电阻阻值为1K。这文件包里有两符制作成功后的图片！ 二个SCH。一个PCB文件。一个PDF文件。和一个程序HEX文件。制作的时候只要按线路板接好元件，然后把程序HEX文件烧写到单片机内，就可以调试了，希望大家成功。其中高稳定振荡电路SCH文件是我新加上的。如果大家有条件用上这电路也不错。那样频率计将更稳定。频率计的PCB是我设计的。 设计得不太好，希望大家
zhuansubiao
- 汽车电子转速表电路，包括原理图和印制板图，使汽车电子的典型电路，值得学习-automotive electronic tachometer circuit, including schematic and PCB plans, the typical automobile electronic circuits, it is worth learning
FM1702
- 一份关于RFID读写器的设计资料，包括硬件电路的pcb，软件的c程序-A report on the RFID reader design data, including hardware circuits pcb, software c program
main
- 足球机器人的控制电路板（带PCB）实际应用项目-Soccer robot control circuit board (with PCB) the practical application of project
diandongchecircuit
- 为一家电动自行车厂家设计的电路，里面有protel原理图+pcb，控制器是C8051，各种保护电路都有，此电路已成功在实验平台上调试通过，性价比高，请放心参考。研发电动车驱动电路的朋友不妨看看哦。-An electric bicycle manufacturers to design circuit, there are Protel schematic+ pcb, controller is C8051, there are all kinds of protection circuits,
Tug-of-war-game
- 拔河游戏机制作的原理图PCB原理图。数字逻辑电路。-Tug-of-war game produced by PCB schematic schematic. Digital logic circuits.
pcb
- 高速PCB設計指南,介绍了快速设计电路中快捷键，方法-High-speed PCB design guidelines, introduced the design of circuits Express shortcut keys, and methods
MTK6228
- MTK6228手机完整的原理图和PCB,做手机的朋友可以参考一下,非常好(包括蓝牙FM电路)PCB用PADS2007可以打开-MTK6228 phone a complete schematic and PCB, make phone a friend for reference, very good (including Bluetooth FM circuits) PCB can be opened with the PADS2007
TDA2030
- TDA2030是许多电脑有源音箱所采用的HI-FI 功放集成块。它接法简单，价格实惠。额定功率为14W。电源电压为±6～±18V。 输出电流大，谐波失真和交越失真小（±14V/4欧姆，THD=0.5 ）。具有优良的短路和过热保护电路。其接法分单电源和双 电源两种。pdf中均有两种接法的原理图并附有pcb布局-TDA2030 is active in many computer speakers used HI-FI amplifier integrated block. It is co
Weller-WLC100--Repair--circuit-diagram-pcb--and-o
- Build Weller WLC100 Solder Station - all circuits, diagrams, PCB s
FPGA
- FPGA开发全攻略_工程师创新设计宝典.FPGA 是英文 Field Programmable Gate Array 的缩写，即现场可编程门阵列，它是在 PAL、GAL、CPLD 等可编程器件的基础上进一步发展的产物。它是作为专用集成电路(ASIC)领域中的一种半定制电路而出现的， 既解决了定制电路的不足，又克服了原有可编程器件门电路数有限的缺点。它是当今数字系统设计的主要硬件 平台，其主要特点就是完全由用户通过软件进行配置和编程，从而完成某种特定的功能，且可以反复擦写。在 修改
Step-wave
- 通过数字电路实现阶梯波发生器，已包含PCB的设计制作-Staircase generator with digital circuits, with the PCB design
yaoyaoa1
- 摇摇棒制作全过程，包括PCB、程序、电路、设计方案。还有光立方的PCB-Shook his stick and the production process, including PCB, programs, circuits, and design. There are light cube PCB
USB-to-485
- 232转485接口电路，包括原理图，PCB板，已实际测试通过，请放心参考并使用，自动识别485或422接口通讯。-232 to 485 circuits, including schematics, PCB board, had actually been tested, please rest assured that the reference and use, automatic identification of 485 or 422 interface communication.
LEA-NEO-6_HardwareIntegrationManual
- neo-6 GPS芯片手册，包括引脚简介、周边电路、PCB布线注意事项等。-neo-6 GPS chip manual pin Introduction, peripheral circuits, PCB wiring precautions.
building-printed-circuit-board
- How to build a PCB scratch. For small circuits-How to build a PCB scratch. For small circuits
basit-220v-soft-start-devresi
- SIMPLE SOFT START CIRCUIT 220V Especially high value capacitors used for power supply, soft start circuit in SMPS circuits 220v line that is used in this circuit one 220V, we also like a lot of trafos is designed to operate directly having a simple