• Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.


  1. E

    Developing an automated tester for electronic drive lines

    Hello everyone, I'm a graduating Elektrical Engineering student, for my last year project I have to develop an prototype for an automated testsystem for electronic drive lines. I started this thread to get help and tips about building this system. First of all , I should make some dynamic...
  2. T

    Transistor tester won't start self test mode

    I've got a transistor tester 1.12k version and it says it's not calibrated. When I connect the 3 different pins together it asks if I want to run self test mode. I press the button within 2 seconds (as the manual suggests) but instead of calibration menu it just makes a single test and displays...
  3. ElectronsFlow

    Anyone have a schematic for a Constant Current DC load tester?

    Hi everyone, I've been surfing the web trying to find a schematic for a constant current DC load tester for use with a battery bank (48VDC) Ideally something that can handle 50amps or more would be fantastic! So far I've only found either low current or useless schematics online with nothing...

EE World Online Articles