| Build your own DIY Lab Bench Power Supply thanks to this detailed guide!
All items tagged with Test & Measurement and Circuits & Circuit Design (69)
| Want to repurpose an operational amplifier from a previous project or an old parts collection? You can construct a specialized op-amp tester...
| Do you need to measure the antenna current of your HF transmitter? Or, like I do, the primary current of your Tesla coil? These projects req...
| Building a solution to test both DIP switches and bar/individual LEDs is fairly straightforward. All you need are 10 resistors, 10 red LEDs...
| If (like most electronics buffs) you only have two hands with ten fingers on each, but lots of measurements to make on your boards, here is...
€5 / Members: Free
| Small, widely available and dirt-cheap ultrasonic sensors enable us to design both simple and lavish measuring devices for all kinds of rang...
| This simple six-component circuit flashes an LED to let you know that a fuse in some AC powered device has blown. Its operating principle i...
€5 / Members: Free
| It is often necessary to deal with tiny currents in the picoamp to microamp range when making measurements in ionisation chambers and other...
| Curve tracers have been a staple in Elektor since 1979. This practical project from 2009 measures and records characteristic curves of NPN/P...