Introduction - If you have any usage issues, please Google them yourself
Infrared remote control encoder chip for uPD6121G (or HT622, 7461, such as chips) as an example to illustrate the realization of infrared remote control with single-chip decoding of the detailed process, improve the decoding process has spent a considerable amount of energy, several amendments to gradually improve during the later It also developed several products, hope that can help users to learn single-chip microcomputer.