Discover how to build a simple device that converts light into electricity using LEDs and diodes. This step-by-step guide demonstrates assembling an LED-diode cluster, connecting it to a capacitor for ...

Abstract: A bridge is described that can measure capacitor harmonic distortion down to –160 dB. The requirements for the input signal generator are greatly relaxed by the action of a servo loop that ...

Using the ATX 9801 is easy -- plug one end into a mains outlet, and it acts like a short extension lead with a digital display. The socket on the front accepts pretty much every power plug worldwide, ...