Description: The use of single-chip, HD7279, keyboard, realize the timer countdown device.
- [51pcb] - 51 microcontroller circuit and PCB layou
- [ke] - Countdown function can be achieved throu
- [ASM.TIME] - 51 single - chip computer assembly, real
- [jishichenxu] - Singlechip countdown procedures, have be
- [Electronic bell. Counter] - It contains 18 timing devices, including
- [HD7279] - C51 HD7279 source code applied in the pr
- [HD7279] - hd7279 on the keyboard and digital tube
- [HD7279] - HD7279 (A) is with a serial interface an
- [easytimer] - A easy timer with forward and backward t
- [danpianji] - C51 microcontroller assembly language to
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