对HT6121编码红外遥控器，用单片机程序进行解码-HT6121 encoding of infrared remote control with a single-chip decoding process

按键红外解码，430单片机用，可改进后用于解码空调电视等-Keys IR decoding, 430 single-use, can be used to decode the improved air television

拨打和接听电话，用单片机实现，用来做基于单片机的电话机微控系统。(Call and answer the phone, using single-chip microcomputer, used to do microcontroller based telephone micro control system.)