双机无线通讯单片机程序 LED护栏管无线模块485通讯 -Two-plane wireless communications microcontroller program LED fence tube radio communication module 485

51单片机为核心 pwm控制双电机不同速度来转换方向，发射与接收利用无线电传输，发射有数码管，led显示。-51 pwm control of dual-core MCU for the motor to change direction at different speeds, use of transmit and receive radio transmissions, launching a digital tube, led display.

基于单片机的教室控制系统，实现光电对射管记录教室人数，控制教室开灯的数量-The number of microcontroller-based classroom control systems, photoelectric tube on the radio record number of classroom control classroom lights