EDN

Zener test circuit serves as dc source

This Design Idea describes a versatile test circuit for zener diodes after yet another misread zener diode had infiltrated the ranks of 1N4148 diodes assembled on a pc board. As a bonus, the circuit ...
EDN

Circuit lets you measure zener voltages and test LEDs

To measure a zener diode’s breakdown voltage, you need a dc voltage source whose voltage exceeds that of the zener voltage. In Figure 1, resistor R SER provides voltage drop between V IN and V ZEN. In ...
Hackaday

How To Make A Simple MOSFET Tester

Over on YouTube our hacker [VIP Love Secretary] shows us how to make a simple MOSFET tester. This is a really neat, useful, elegant, and simple hack, but the video is kind of terrible. We found ...
Hackaday

Soda Bicarb Diode Steering Circuit For 7-Segment Display

[Hales] has been on a mission for a while to make his own diodes and put them to use and now he’s succeeded with diodes made of sodium bicarbonate and water, aluminum tape and soldered copper. By ...
Business Insider

Diode Computers is designing circuit boards with AI. It just raised $11.4 million, led by Andreessen Horowitz.

Diode makes software to design printed circuit boards, which are used in most electronics. The startup raised $11.4 million in Series A funding led by A16z. Diode aims to work with robotics, medical ...