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基于51单片机的信号发生器 四种波形显示 有级调频(Based on 51 single-chip signal generator)

说明：  单片机C语言入门教程，非常适合新手入门。从基础讲起，逐步提高。(Single-chip C Language Tutorial, very suitable for beginners. Start from the base, and gradually improve.)

利用PID算法控制PWM输出电压，实现串联型数控电源，通过键盘输入控制期望电压(PID algorithm to control the use of PWM output voltage to achieve tandem CNC power, through the keyboard input control voltage expectations)

单片机AD功能实例，使用1602显示电压(SCM AD function example, the use of 1602 shows the voltage)

IOS端通过蓝牙发送和接收 用的是OC语言，在MACOS上编程(bluetooth sent data and bluetooth received data for IOS)

iOS 网络状态监测。网络实时检测，用到Reachability（自行下载）,需加框架:SystemConfiguration.framework ios程序需要用到网络检测，有些程序是刚启动时检测一次，而有些则从头到尾检测网络状态。(IOS network status monitoring.Real-time detection and Reachability (download), frame: SystemConfiguration.framework IOS programs need to use network detection, some detection once when the program is launched, while others detect the network status start to finish.)

This is AS1130 Datasheet

51单片机动态数码管显示开发程序，对单片机初学者有一定的参考指导作用，欢迎下载参考研究，谢谢！(51 single-chip dynamic digital display development program, microcontroller beginners have a certain role in guiding, are welcome to download the reference study, thank you!)

MSP430FR57x Demo - Toggle P1.0 using software Description: Toggle P1.0 using software. ACLK = n/a, MCLK = SMCLK = TACLK = default DCO = ~625 KHz(MSP430FR57x Demo- Toggle P1.0 using software Description: Toggle P1.0 using software. ACLK = n/a, MCLK = SMCLK = TACLK = default DCO = ~625 KHz)

STM32 SPI口的应用例程，可是设置成主模式或者从模式。(STM32 SPI routine application of the mouth, but set to master mode or slave mode.)