nrf9051

振幅调制,角度调制，频率调制等几个源程序，模拟通信系统(Amplitude modulation, angle modulation, frequency modulation, such as source code, analog communication systems)

nrf2401 发射机和接收机双向同步跳频，在35个信道上来回跳 超级防干扰(Nrf2401 two-way synchronization of fh transmitter and receiver, jump to and fro on the 35 channels Super tamper-proof)

PLC与51单片机通讯示例程序(单片机程序)(PLC and 51 single-chip communication sample programs (MCU program))

本程序是用51单片机的PS2鼠标驱动程序(This procedure is used 51 single PS2 mouse driver)

飞思卡尔单片机锁相环程序，详细说明了锁相环的配置步骤以及计算方法(Freescale MCU PLL procedures, a detailed description of the PLL configuration steps and calculation methods)

包含了C8051的基本例程，如流水灯，IO口控制，蜂鸣器，串口通信等(C8051MCU example programs)

基于单片机的多功能数字日历电路所有的原理图论文PCB仿真(Based on SCM multi-function digital calendar circuit )

说明：  Arduino单片机开发笔记2-7,希望大家都看看(Arduino microcontroller development notes 2-7, we want everyone to see)

超声波测距，可以通过串口助手显示，当小于设定值时，显示0，当大于设定值时，显示1(Ultrasonic Ranging, through serial aides showed that when less than the set value, 0, when greater than the set value, indicating a)

单片机音频通信9170和9200，接收发送源程序(9170 and 9200 microcontroller audio communication, the receiver sends source)