开发板中带的rc500的源码，单片机是STC的，绝对可用，已实际测试过。-Development board with the rc500 source, the microcontroller is the STC, absolutely free, has been actually tested.

基于51内核STC单片机端口模拟SPI总线,可供学习或产品用上使用,程序简单-Port simulation SPI bus 51 kernel STC microcontroller-based, for learning or product spend to use, simple program

基于STC12单片机的红外线接受处理程序-ji yu STC 12 dan pian ji de red wai jie shou chu li cheng xu