EEVblog No Script, No Fear, All Opinion

It’s peltier thermoelectric generator TEG time again! This time the University of Colorado Boulder claim to have a new flexible TEG device you can stick on your skin that can power wearable and Internet of Things devices. It’s The Matrix! and the media are lapping it up. Can your body …

Dave offers some advice for a kid who spammed him his resume.

Teardown of the new Keysight EDU34450A 5.5 digit Bench Multimeter Forum: https://www.eevblog.com/forum/blog/eevblog-1382-keysight-edu34450a-5-5-digit-bench-multimeter-teardown/ HiRes teardown photos: Podcast: Download

What’s inside a 10kW linear power supply for a Coherent Skylight 300C 10W Argon Ion Laser? Teardown time! Daryl Tewksbury: https://theamphour.com/521-outdoor-laser-projection-object-mapping-with-daryl-tewksbury/ Forum: https://www.eevblog.com/forum/blog/eevblog-1381-10kw-argon-ion-laser-psu-teardown/ Podcast: Download

It’s an aussie barbie with fried IBM chips. Ken Shirriff’s blog: https://www.righto.com/ Forum: https://www.eevblog.com/forum/blog/eevblog-1380-bbq-ibm-chips/ Podcast: Download

Why does a handheld multimeter read zero volts and a bench meter reads several volts? It’s all about the NPLC’s man… Forum: https://www.eevblog.com/forum/blog/eevblog-1379-whats-all-this-nplc-stuff-anyhow/ Podcast: Download

Is the new Uni-T UT61E+ Multimeter still the bang-per-buck king the existing UT61-E was? How does it compare? Is the increased cost worth it? https://s.click.aliexpress.com/e/_AaRaJS https://s.click.aliexpress.com/e/_9foaZO And what about the ANENG AM870 at half the price? https://s.click.aliexpress.com/e/_AFiPjA Flickr photos: https://www.flickr.com/photos/eevblog/albums/72157718441411852 Forum: https://www.eevblog.com/forum/blog/eevblog-1378-new-uni-t-ut61e-multimeter/ Podcast: Download

WHY did someone chop the leads off and throw out a dumpster full of plugpacks? It’s a plugpack dumpster graveyard!

An ODYSEE EXCLUSIVE: Black Magic ATEM Mini Pro ISO production video switcher TEARDOWN

How long does it take for your 400mA multimeter fuse to blow at 600mA? Grab a chair and watch! The amazing unpredictability of fusing current ratings at low overloads. Forum: https://www.eevblog.com/forum/blog/eevblog-1377-the-amazing-unpredictability-of-fuses/ Podcast: Download

Dave fixes a rather strange fault in his Tandy 102 portable computer. Forum: https://www.eevblog.com/forum/blog/eevblog-1376-tandy-102-vintage-computer-repair/ Podcast: Download

Another bumper Mailbag! Forum: https://www.eevblog.com/forum/blog/eevblog-1375-mailbag/ SPOILERS: 00:00 – Start 00:17 – Dave hates cats 02:29 – BIG stud power diodes and SCR’s 06:20 – Workbench of the week. Louis Borsu from Brussels, Belgium 08:20 – Amiga Addict magazine: https://www.amiga-addict.com/ 11:35 – Dave levels up in the IEEE 13:09 – Canadian …

How easy is it to take the open source Trezor Model T crypto hardware wallet files and manufacture your own? Or to modify or improve the design? The Trezor is open source hardware, so Dave checks out the Github and looks at the hardware files available and imports into Eagle …

Part 2 of the DIY PCB LED light photography box. This time experimenting with top and bottom side emitters and paper reflectors to give an even better result. Forum: https://www.eevblog.com/forum/blog/eevblog-1372-diy-pcb-photography-light-box/ Podcast: Download

How to build your own DIY light box for photographing PCB’s Dave experiments with a cardboard box, some alfoil, and a hacked YujiLED high cri studio light. https://www.flickr.com/photos/eevblog/albums Forum: https://www.eevblog.com/forum/blog/eevblog-1372-diy-pcb-photography-light-box/ Podcast: Download