RopToDop

msp430g2553按键控制步进电机正反转，加速，启动停止(2553 Control Stepping Motor)

详细阐述了脉冲信号的产生和整形，介绍集成定时电路CC7555的内部结构和典型应用，便于新手理解，希望给大家带来帮助(A detail instruction of pulsing signal. CC7555 is also introduced, it is very suitable for beginners.May it be hopeful. )

基于1602 ds12b80 ds1302 音乐 电子书 流水灯的多功能电子表(Multi function electronic watch based on 1602 ds12b80 DS1302 music e-book water lamp)

说明：  Ultrasonic range finder based on STM32F103

说明：  自动检测校车内的遗漏人员，然后通过GSM短信发送给相关负责人，并且在校车内发出语音，提示学生尽快离开(Automatically detect the missing person in the school bus, then send it to the relevant person in charge via GSM SMS, and send voice in the school bus to remind students to leave as soon as possible)

基于ATMEGA16单片机的RS232通讯程序，其中还包括了红外遥控32位解码程序。只有一个源文件，无自定义头文件。可直接使用。(Based on ATMEGA16 microcontroller RS232 communication program, which also includes an infrared remote control 32-bit decoder. Only one source file, no custom headers. Can be used directly.)

Syscall interface to knfsd.

PZEM-014模块检测电压、电流、电功率、电能等信息，在LCD1602上显示(PZEM-014 module detects voltage, current, power, electric energy and other information, which is displayed on LCD1602.)

基于28335的移相程序，可以生成4组不同相位的互补的PWM波，从而可以实现开关电源的移相位操作(A phase shift program for 28335)

是电表处理芯片CS5460A的单片机程序,已经经过产品的验证.(meter chip is the SCM process CS5460A, after product certification.)