Light-controlled timing switch circuit

As shown in the figure, this is a Mexican light-controlled timer switch circuit, which is particularly suitable for power supply control of outdoor street lamps and advertising light boxes. It is a product that combines light control function and timing adjustment. The circuit of this device is simple and easy to make. Throw the rotary switch to the timing position of 2h, 4h, 6h or 8h. When there is no light, this circuit will automatically control the corresponding time given, which can achieve the purpose of saving electricity and reducing invalid energy consumption.