PV

控制开发板上的RGB彩灯，轮流显示“红绿蓝”颜色，每秒切换一次颜色(Control Development Board RGB lights, turn shows RGB colors, switching colors every second)

usb-sd卡-tf卡-U盘等方案开发手册，从网上收集的，包括原理图和程序(usb-sd card-tf the Card-U disk program development manual, collected from the Internet, including schematics and procedures)

CRC16校验计算小程序，有移位、取反等位操作函数可供参考(CRC16 checkout a small program with shift, the allelic operation function is available for reference )

AOK虚拟示波器的上位机源码，从串口获取下位机数据，然后绘制波形(AOK virtual oscilloscope host computer source, from the serial access to the next machine data, and then draw the waveform)

说明：  通过ESP32,实现OTA更新stm32的程序。。。。(Update program through OTA)

基于OLED STM32F103 SPI基本驱动程序(Based on OLED STM32F103 SPI basic driver)

本例程是SIM300模块，用51单片机打电话点亮一颗LED的程序(This routine is SIM300 module, with 51 SCM call a LED light up the program)

区域中央空调市场调研报告，市场调研报告模板(Regional central air-conditioning market research report, market research report template)

串口下发至数码管显示，本程序已通过编译，可直接使用(Serial issued to the digital display, the program has been compiled, can be used directly)

这是一个介绍可见光通信OFDM的ppt 介绍了LED白光可见光通信的优点及发张潜力，并结合OFDM技术对可见光通信做了深入的说明。(This is an introduction of visible light communication ppt describes the advantages of OFDM white LED visible light communication and sent Zhang potential, combined with OFDM technology for visible light communication done a thorough explanation.)