The following is required:
Design power switch remote control method, the use of infrared remote control technology, the use of bidirectional thyristor conduction and shutoff, realize the power switch, requests to realize the remote control distance is greater than 5 m, and the power supply voltage adjustable size, design and forming circuit, realize remote control power switch function, remote control distance is greater than 5 m, voltage is 20 v, 100 v, 150 v, 220 v, the error is less than 5%,