Introduction - If you have any usage issues, please Google them yourself
16 Wireless Road, alarm source code, there are very complicated functions such as LCD display time, status, keyboard scanning, infrared control, etc. The interrupt source for the single-chip microcomputer-based programming is very useful for example, you have a certain Singlechip basis, and want to try a simple system, then download this reference could not have been better this is the equivalent of a small system