此文件为matlab的simulink仿真简单通信模型，使用高斯信道，包括信源编码、信道编码、成型滤波、带通调制等等模块-This file is a simple communication matlab simulink simulation model using Gaussian channel, including source coding, channel coding, shaping filter, band-pass modulation module etc.

精简的verilong串口通信源码，带通信自定义模块(Streamlined verilong serial communication source code, with communication custom module)

通过单片机GPIO口控制继电器的吸合。带光耦隔离，安全可靠。亲自适用该电路参加电子设计大赛有效。(The pull-in of relay is controlled by GPIO port of MCU. With optocoupler isolation, safe and reliable. It is effective to apply the circuit in person to participate in the electronic design competition