PIC12F675 REPLACES THE 555 TIMER

摘要

If you have been fooling with electronics as long as I have, you will have seen a lot of changes throughout the years. I watched the birth of integrated circuits which led to op-amps and TTL or CMOS digital chips, and eventually to the microcontroller. Somewhere along the way, an eight-pin chip used by hobbyists all over the world was developed.