Introduction - If you have any usage issues, please Google them yourself
Super electronic clock source. Powerful, day 8 timing, year, month, day, weeks, hours, minutes, years, etc. Li, external ultra-simple, a few other components do not have a single call 89C2051+ LED.
Packet : 476515062051_clock.rar filelist
1.jpg
2051智能钟2.asm