基于51单片机的温控电扇pwm交流电机调速程序-51 microcontroller-based temperature control fan PWM AC motor speed control procedures

Circuit connections of this project are very simple. Bluetooth module’s Rx and Tx pins are directly connected to the Tx and Rx pins of Microcontroller. Three 5 volt relays are used as a switch for turning On and Off the home appliances running on AC