CH372

矩阵键盘密码锁+简易计算器，C52的单片机平台，C语言开发，适用于初学学习。(Matrix keyboard lock+ simple calculator, C52 MCU platform, C language development, suitable for beginners to learn.)

利用Arduino实现读取MPU6050的DMP四元数(Arduino MCU reads MPU6050 use a DMP quaternion)

51单片机的4x4键盘扫描c语言程序，大家看看，(51 single-chip 4x4 keypad scan, we look)

12C5A60S2 EEPROM 的读写操作(12C5A60S2 EEPROM read_write)

基于STM32f103控制HX711和LCD实现的电子秤，软件已调试成功，称重比较准确(Based STM32f103 control the HX711 and LCD electronic scale implementation, the software has debugging success, weighing more accurate)

12864液晶显示图像与文字的C51程序(12864 LCD image and text C51 program)

利用ULN2003A进行驱动，产生PWM波，里边有照片，可供参考，通过本例程了解PWM 的基本原理和使用 (#include <reg52.h> unsigned char timer1 sbit PWM=P1^2 void system_Ini() { TMOD|= 0x11 //PWM TH1 = 0xfe //11.0592 TL1 = 0x33 TR1 = 1 IE =0x8A } main() { system_Ini() while(1) { if(timer1>100) timer1=0 if(timer1<30) PWM=0 else PWM=1 } )

基于单片机的霍尔传感器测速源码，带有蜂鸣器报警功能。(Hall speed sensor based on single-chip computer source, with a buzzer alarm function.)

这是我做的一款3路LED的RGB控制器，输出接光耦控制可控硅，被控灯具为AC220V的，外接315M接受模块，用市场上一般的PT2262型遥控器无线调节输出的模式和变化速度(This is the RGB controller I do a 3 channel LED, output optocoupler control thyristor controlled lamp, AC220V, external 315M receiving module, general use on the market PT2262 remote wireless control output pattern and speed of change)

定时器：设定时间格式（00：:00）后，到时间弹出提示(timer：set time(00:00),then run up)