• 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. 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...

Latest threads

EE World Online Articles