Looking for a simple circuit to control the light intensity of Light Emitting Diodes (LEDs) or similar lighting sources? Here is an Arduino based circuit with three independent pulse width modulated ...

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 ...

As mentioned in LED Lightlane increases bicycle safety at night we like combinations of LEDs and bicycling on Gadget Master... Here is another example, drawn to our attention by Electronics Weekly's ...