s2

说明：  网蜂科技开发板CC2530F256实现中断定时唤醒(Realization of Watchdog Timing by Network Bee Technology Development Board CC2530F256)

两路光电开关驱动，2019电赛A组，测试程序(Two-way Photoelectric Switch Drive, Group A of 2019 Electricity Competition, Test Procedure)

plc控制系统,plc物流分拣控制系统plc控制系统,plc物流分拣控制系统(PLC control system, PLC logistics sorting control system, PLC logistics sorting control system)

摄像头OV7670模块调试资料，硬件参考电路、51、STM32源码。(Camera OV7670 module debugging data, hardware reference circuit, 51, STM32 source code.)

说明：  8051单片机用LED简单搭接流水灯、转向灯(no English im chinese!!)

笔记本键盘测试程序，可以测试键盘按键是否有作用。(Notebook keyboard test program.)

ME850单片机开发实验仪演示程序 - LCD1602显示 基于 c51系列的单片机程序，用AT89S52延时通过(ME850 SCM experimental instrument demo- LCD1602 display based on c51 series SCM process, using AT89S52 delay through)

51单片机连接射频芯片rc522的单片机程序(51 single connection RF chip microcontroller program rc522)

hinet internet radio parser program. This is a good example of url parser.

基于STM32的简易电子琴。采用STM32F103ZET6主控芯片，矩阵键盘和无源蜂鸣器实现简易电子琴功能。(Electronic organ)