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说明：  Wiegand 26/34转RS485、RS232信号转换模块（原理图+PCB+BOM）,输入韦根信号，转换为串口输出(Wiegand 26/34 to RS485, RS232 signal conversion module (schematic + PCB + BOM), input Wiegand signal, converted to serial output)

说明：  电子标签读写器程序(示例类源程序，具有较好的参考作用)(RFID reader program (sample type source, has a good reference))

基于51单片机对水温进行PID控制，维持水温，水温可设定。内附Verilog代码PCB和仿真程序。(Based on 51 single-chip computer, the water temperature is controlled by PID to maintain the water temperature, and the water temperature can be set.)

用STM32做的FFT以及IFFT程序，MDK开发环境，带有TFT驱动显示程序(STM32 do with FFT and IFFT program, MDK development environment with TFT display driver program)

最小的单片机PWM控制，电压控制PWM输出，智能化，体积小。(ADC control PWM output)

AVR单片机串口测试程序,适用于ATmega16(the test of usart )

用于指导AD9361的器件说明，并指导如何通过AD9361搭建SDR平台。(It is used to guide the device description of AD9361 and how to build SDR platform through AD9361.)

project for tracking position with proteus with its code

MSP430F169单片机矩阵键盘扫描程序，用一位共阳数码管显示(MSP430F169 microcontroller matrix keyboard scanning procedures, using a common anode LED display)

单片机用作通用红外遥控接收器的设计 PWM调制开关电源的研究 以电子电力学为核心 以整流技术为主(generic microcontroller for infrared remote control receiver design PWM switching power supply of electronic learning for power to the core technology-based rectifier)