Unsigned-four-byte-operation

HART设计代码和硬件电路图纸，绝对的有用，方便你的设计(HART code and hardware circuit design drawings, absolutely useful and convenient for your design)

STM32的USB声卡程序。内有详细的注释和文档。很好的学习资料。(STM32 USB sound card program. There are detailed notes and documentation. Good study materials.)

说明：  基于stm32单片机做的无刷直流电机的矢量控制(Vector Control of Brushless DC Motor Based on Stm32 Single Chip Microcomputer)

lcd驱动文件，适合LPC178x系列芯片，适合学习参考和软件开发人员。一定要顶哦！(lcd driver file for LPC178x series chips, suitable for study reference and software developers. Must be the top Oh!)

DS1302高精度时钟+LCD1602。实现时钟的高精度及芯片的资料(DS1302 high-precision clock+LCD1602. Achieve high-precision clock chip)

stm32f030&ml5238 use for bms4850 ups.

基于51单片机的eeprom程序，可以实现字节的读写等操作(51 microcontroller based on the EEPROM program, can achieve a byte read and write operation)

msp430f149的adc采样(同时对八个点进行采样)!(msp430f149 the adc sampling (eight samples))

MPU6050互补滤波，得到俯仰角与横滚角，配合匿名上位机程序(MPU6050 Complementary filtering, get pitch angle and roll angle, cooperate with anonymous upper computer program)

STM32运用PID控制DA输出电压稳定，可以设置。(STM32 using PID control DA output voltage stability, can be set.)