Double-two-way-voltmeter

基于单片机STC89C51和74LS164的多功能数字万用表(Based on microcontroller STC89C51 and 74 ls164 multi-function digital multimeter)

正弦信号发生器[2005年电子大赛一等奖].files(sinusoidal signal generator [e-Competition in 2005 won first prize]. Files)

超再生遥控-遥控步进电机正反转AB的程序(Superregeneration Remote- remote control stepper motor program AB)

四线电阻触摸屏+ADS7843 包括液晶的和触摸屏的程序 液晶屏的控制器是LC7981，兼容HD61830(Four-wire resistive touch screen+ ADS7843 Procedures including LCD and touch screen LCD controller LC7981 compatible with HD61830 )

PCB800099 RTD2660h固件(PCB800099 RTD2660h)

设计并制作一个功率可程控的高效率音频功率放大器及其参数的测量、显示装置。功率放大器的电源电压为+12V（电路其他部分的电源电压不限），负载为8Ω电阻。(Audio amplifier)

经典赛车游戏的基础模型，基于LPC2138芯片设计，可在ILI9320 LCD触摸屏上操作(The basis of classic car racing game model, based on the LPC2138 chip design, can be in ILI9320 LCD touch screen operation)

最新最全的二条码编码资料大全，全面介绍如何制作PDF417、QrCode、DataMatrix、Hanxin等条码制作方法，有详细图文说明，有了此文档，编码无忧。(The latest and most complete the two yards encoding information Daquan, comprehensive introduction to how to make the PDF417, QrCode, DataMatrix, Hanxin barcode production methods, with detailed captions, this document encoding worry-free.)

SIM900开发板配套STM32 GPRS代码(SIM900 STM32 GPRS driver)

计算配电网络潮流 基于40节点计算配电网潮流电压及其电流 (Calculation of distribution network based on 40 tide node voltage and current power flow calculation)