Some time ago, while browsing eBay for a simple LED controller to rejuvenate my retro bedroom lamp, I came across this touch-LED PWM module. To be honest, while it was a complete module and it made an ...

The polarity markings on LEDs (Light Emitting Diodes) seem to be a common cause of confusion. The polarity may be indicated by a flat section on one side of the body or by one lead being shorter than ...

Specialist power component distributors Diamond Power Components has announced the availability of a wide range of Thyristor and Diode Power Modules manufactured by TECHSEM. TECHSEM is one of China's ...

A diode is a device that allows electric current to flow in only one direction, from its anode towards its cathode but not the other way around. There is plenty of online material explaining diode ...