DC-DC电源模块技术资料（原理图与问题解答）

ICC AVR环境下编写的基于死区PID算法的AVR单片机温控系统小程序(ICC AVR environment written in AVR microcontroller PID algorithm based on the dead zone temperature control system applet)

ＡＤ转换代码，主要练习，没有具体的功能可以实现的，因为只是一部分(AD conversion code, practice, no specific function can be realized, because only part)

STM32管教实现电压测量显示，开发板使用正点原子的(STM32 pin read display voltage)

说明：  STM32进行OLED驱动，以进行验证驱动成功。(STM32 Drives OLED.To verify driver success.)

usb3.0开发板原理图,有参考价值，能跑到200M(usb3.0 development board schematics)

LPC2119上的CAN和RS232透明转发器程序(LPC2119 the CAN and RS232 transparent procedures transponders)

Rtthread STM32F407 spi_flash/SDIO_SD/tft_gui移植(Rtthread STM32F407 spi_flash/SDIO_SD/tft_gui transplant)

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)

在stm32f103zet6下的485总线通讯加modbus协议(485 bus communication and Modbus protocol under stm32f103zet6)

在Proteus环境下使用LM311电压比较器进行比较和整流。LM311电压比较器设计运行在更宽的电源电压，从标准的±15V运算放大器到单5V电源用于逻辑集成电路。 (LM311 compare shaping, using Proteus LM311 voltage comparator designed to operate over a wider supply voltage: 15V op amps from a standard to a single 5V power supply for the logic IC)