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4X4键盘扫描源程序 适用于基于Keil80C51 -4X4 Mirror扫captured Tai-ying, the most序适using quilt prices quilt Keil80C51

51单片机的4层电梯控制源代码，有需要的可以参考一下-51 SCM four-layer elevator control source code, there is a need that can refer to

Frecuencymeter digital, clk frequency 10 MHZ, exhibition in 7 segments

频率可调 占空比可调 AVR 程序 程序可用 请放心用-Adjustable frequency adjustable duty cycle procedures AVR procedures available Please be assured by

Self-tuning PID Controllers ,有需要的朋友可以参考 !-Self-tuning PID Controllers, there is a need of a friend can refer to the reference!

一个对4X4数字键盘进行行&列扫描,获取扫描码的程序,支持符合键,串键,软件去抖.-one pair of 4x4 digital keyboard ranks scanning, access code scanning procedures, with key support and collaborate keys, software to tremble.

基于nRF24L01的通讯程序，程序可在Keil C下编译-NRF24L01-based communications procedures, the procedures can be under the Keil C compiler

利用c8051 的adc 做按键控制led-C8051 make use of the adc button control led

此为按键部分的,读取按键值是否有按键判断部分函数-this as part of the button, reading keys value judgment whether some function keys

8051单片机开发工具DIY-8051 DIY Tools