STM32_RC522(SPI+USB_USART_True

stc 单片机 ADC键盘扫描数码管显示键值和调整时间(stc mcu adc test)

uCOS+uCGUI例程，主控芯片为STM32，LCD采用FSMC接口连接，实现图形界面的操作(uCOS+uCGUI routines, the main chip for the STM32, the LCD FSMC interface connector, the operation of the graphical interface)

有利于初学者学习CAN通信，UDS协议，BOOTLOADER.可以快速掌握这些知识，对嵌入式开发能力可以得到很好的提升。(Conducive to beginners to learn CAN communication, UDS protocol, BOOTLOADER. can quickly grasp the knowledge of the embedded development capabilities can be improved.)

freemodbus，已验证OK,UCOSIII+MODBUS(Freemodbus, verified OK, UCOSIII+MODBUS)

串口通信源代码，硬件平台STM32F103VET6，开发环境IAR6.10(RS232 communication code)

说明：  基于Freertos的ESP8266 AT指令实现MQTT(Implementation of mqtt with esp8266 at instruction based on FreeRTOS)

说明：  点阵显示原代码，上传的为c语言，也有原理图。(Dot matrix display of the original code, upload the c language, but also schematic.)

基于PIC的无线数据传输发射机设计，仅供参考。(PIC-based wireless data transmitter design, for reference purposes only.)

用单片机设计的直流电机控制，proteus仿真(DC motor control with a single-chip design, proteus simulation)

说明：  PIC16F877外设驱动timer定时，PWM输出，外部中断，带注释(PIC16F877 peripheral driver timer, PWM output, external interrupt, annotated)