18B20

HT66F50单片机完整程序，测试通过。(HT66F50 SCM complete program test.)

串口与pc机通讯，51单片机例程，只需要修改io口即可实现。(Serial communication with pc, 51 MCU routine, you only need to modify the io port can be realized.)

ATT7022E(26E 28E)三相电能专用计量芯片应用笔记（可用于三相三线和三相四线制）(ATT7022E (26E 28E) three-phase energy metering IC Application Note (available for three-phase three-wire and three-phase four-wire system))

说明：  STM32F3与F4系列Cortex M4内核编程手册(STM32F3 and F4 Series Cortex M4 Kernel Programming Manual)

direct sparse solver for linear equations

NRF24L01+模块发射程序，80c52程序，有经过调试(Module launch program)

pwm输出，能够实现随意改变占空比的pwm输出(PWM output, can achieve arbitrary change of duty cycle PWM output)

基本按键操作——单键触发8位二进制累加计数器实验(Basic key operation- one-touch trigger 8-bit binary up-counter experiment)

说明：  OLED显示屏测试，基于IIC通讯，供电3.3V或5V(OLED screen display demo)

This source code provides a tool to convert .hex files cyrpess programs to uploadable cyacd programs. These programs can then be sent to a cypress development board. It can be compiled under Linux.