Repairs

The $5 Hantek oscilloscope is repaired, and I’m giving it away to a youngster in Australia. If you want the scope, enter here: https://www.eevblog.com/forum/contests/giveaway-(oz-only)-hantek-oscilloscope/ Forum: https://www.eevblog.com/forum/blog/eevblog-1492-$5-oscilloscope-repaired-oz-giveaway/ Youtube: Odysee: Podcast: Download

The failed PedalCell CadenceX Bike Generator from the previous mailbag video is tested, torn down, analysed, hilrariously laughed at, and dodgily repaired. https://pedalcell.com/ 00:00 – Failed Pedalcell generator – getting the pinout 02:00 – The PCB 02:40 – Oscilloscope rotation test 03:45 – Dremel speed Captain! 04:22 – Generator teardown …

A heater that doesn’t heat up should be an easy and quick repair, right? RIGHT? This Arlec space heater also has a rather dodgy and product recall worthy dangerous construction! 00:00 – Arlec space heater 03:20 – PRODUCT RECALL TIME! 05:12 – Heater element measurement 07:31 – PCB inspection 11:31 …

Join Dave in the search for an alternative replacement MOSFET. It might not be as easy as it sounds. Talk about how to identify components and circuit function, MOSFET parameters, and using google and parametric searches on supplier and manufacturer websites. Can YOU find a -30V 17A P Channel SO-8 …

Dave repairs his failed Aputure Amaran HR672C LED studio light which is mysteriously killing batteries and falsely indicates charging when no batteries are installed. And salvaging the spare part from an old dumpster laptop! Forum: https://www.eevblog.com/forum/blog/eevblog1460-interesting-repair-of-an-aputure-amaran-led-studio-light/ Podcast: Download