This light sensor switch circuit allows the automatic connection of a lamp when the light is low (at nightfall) and will maintain the lamp ON for a certain period of time. This time can be adjusted ...

Here are some DIY LDR switch circuits available on our website and the web. LDR switches are used to switch a relay or other device when light are present or absent. LDRs or Light Dependent Resistors ...

Circuit Diagram to Interface Ambient Light Sensor with ESP32 For testing, connect the Ambient light sensor module along with the display module to the ESP32 Devkit as per the Circuit diagram below.