This is a very simple but useful project, strobe navigation lights for rc airplanes, or you can adjust the flashing time and make it a warning light for a forklift or even a turn signal light for a ...

[Tito] entered a Self-Charging LED Flasher into the Component Abuse Challenge. It’s a simple re-build of a design by the unstoppable [Burkhard Kainka], and while ...

Abstract: An output buffer circuit with an adjustable output impedance and high linearity is presented. The buffer circuit employs two kinds of feedback strategies, which enable it to drive a low ...

Abstract: Micro-displays based on micro-LEDs are becoming more and more attractive in AR/MR (Augmented/Mixed Reality) applications. A display size of 0.5 to 0.7-inch is preferred, with 5,000 PPI ...

The outdoor adjustable LED wall art and sign light by Alcon Lighting is a versatile solution for lighting signs, pictures, and artwork outdoors. The lightweight extruded aluminum housing is durable ...

🔧 Circuit Overview -The circuit consists of two NPN transistors (2N3904), each driving an LED in its collector branch, and connected in a cross-coupled configuration using two capacitors (220 µF each ...

Should you spend some time around the less scientifically informed parts of the internet, it’s easy to find “Free power” stories. Usually they’re some form of perpetual motion machine flying in the ...

This project is a simple automatic light control circuit that uses an LDR (Light Dependent Resistor) to detect darkness. When light levels drop below a certain threshold, the circuit automatically ...

Police released this mugshot of Richard Hona in October 2006, seeking the public's help in locating him. He was known to frequent the children's sections of libraries, authorities said at the time.