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红外报警程序，利用红外发射实现自动报警，当有目标靠近，发出蜂鸣名声(Infrared alarm program)

单片机在电冰箱智能模糊控制中的应用(SCM in refrigerators Intelligent Fuzzy Control System)

详细描述CAN通信的中断发送和接收，包含初始化，中断函数，滤波等(CAN communication is interrupted transmission and reception, including initialization, interrupt functions, a detailed description of such filtering)

基于三菱FX1N的变压器电抗器i-CORE拉焊机程序！(I-CORE pull welder Mitsubishi FX1N transformer reactor program!)

1.具有环境信息采集功能，可以采集环境的温度、湿度和光照强度。 2.具有联网功能，可以将采集到的环境信息直接上传到Yeelink云平台上。 3.具有网络查看功能，可以用任何联网设备，在互联网上查看采集点的信息。(1 with environmental information collection function, you can collect temperature, humidity and light intensity environment. 2 with networking capabilities, you can collect environmental information directly uploaded to Yeelink cloud platform. 3 has a network view feature, you can use any networked device, view the information collection point on the Internet.)

说明：  由单片机作为控制端口，同时通过外部扩展控制按键控制步进电机的运行。(this design is very perfect。)

ST的异步串口芯片4通道芯片资料,扩展RS232、RS422、485的好方法(ST16C554 chip uart)

基于stm32f103的mqtt完整通信的例子，支持TLS加密通信(An example of mqtt complete communication based on STM32F103 supports TLS encrypted communication)

MP4原理图单片机产品\MP4680C-SCH3.pdf(Single-chip schematic MP4 products MP4 680C-SCH3.pdf)

CC1110的无线通信，点对点通信，CSMA，433M(CC1110 wireless communication, peer-to-peer communication, CSMA, 433M)