电子琴 1． 实验任务 　1． 由 4X4 组成 16 个按钮矩阵，设计成 16 个音。 　2． 可随意弹奏想要表达的音乐。...

模拟pwm实现灯的亮度，通过调节其输入脉冲的占空比来实现灯闪烁不是很明显又能看到亮度变化的功能-Analog pwm realize the brightness of lights, by adjusting the input pulse duty cycle to achieve blinking lights is not very obvious to see the brightness can change the function of

绝对正确的SAA7121寄存器初始化值，包括PAL、NTSC,不能用你找我-SAA7121 absolutely correct register initialization value, including PAL, NTSC, you should not use me

这是一个IC卡智能水表程序,我已编译过可以用的.-This is a smart meter IC card, I have compiled can be used.

很好的51汇编资料，包括了定点数的运算和浮点数的运算。-good compilation of information, including a set of points and Operational float arithmetic.

芯片at89s52，在上面完成一些如led 点阵 PS键盘 串口 等基本操作 对于初学51的有参考价值-Chip at89s52, in the above example, the completion of some led dot matrix keyboard PS serial basic operation such as 51 for the beginner has reference value

89c51单片机定时中断动态四数码管显示的控制程序-Interrupted from time to time 89c51 single-chip digital display dynamic four of the control procedures

Compal schematic diagram 2

基于ｆｐｇａ，采用ｑｕａｒｔｕｓ２的ＤＤＳ信号发生器，采用高速ＤＡＣ９０８为数模芯片，并可通过５１单片机送入调制信号进行ＦＭ调制-Based on the fpga, the use of the DDS signal generator quartus2 using DAC908 number of high-speed chip module, and passed into 51 single-chip FM modulation signal modulation

了一些时间了解 TFT LCD 的结构以及工作原理，并整理下来加深自己的理解以及提供大家参考，这只是-err

NRF24l01无线232通信 程序代码 C51 发送-NRF24l01