Now we can stepped into the light with our favorite microcontroller Arduino! Since a vast number of analog/digital ambient light sensors/light sensor modules are now available at reasonable price, ...

The CdS Photocell Series from Selco Products Co. are single and dual Cadmium Sulfide (CdS) light-dependent resistors that offer high sensitivity and high stability. Featuring a spectral response ...

Let me introduce another simple microcontroller-based do-it-yourself circuit that detects motion and excites a light source in a flash. The “snooper” here is an ordinary passive infrared (PIR) motion ...