Eevblog #1297 – turn an lcd into e-paper!
Dave's long term LCD DC bias experiment has turned a regular 7 segment LCD effectively into an E-Ink/E-Paper display! Original…
Eevblab #72 – busted! medtronics open ventilator fail
Unfortunately Medtronics opening up their design files for their Puritan Bennett 560 Ventilator is not much more than a publicity…
Eevblog #1296 – alkaline battery leakage testing 2 – electric boogaloo
A revisit of the Alkaline battery leakage testing. Test setup video: https://www.youtube.com/watch?v=RFb3TwWzza0 Library: https://lbry.tv/$/invite/@eevblog:7 Forum: https://www.eevblog.com/forum/blo
Eevblog #1295 – what makes a good lab hepa air filter?
What makes a good lab HEPA air filter and purifier? Fran's video: https://www.youtube.com/watch?v=I1gPgBjgK9A Library: https://lbry.tv/$/invite/@eevblog:7 Forum: https://www.eevblog.com/forum/blog/
Eevblog #1294 – llc resonant mode converter design
A brief look at how LLC resonant mode converters work and their advantages. A spin-off from the Rohde & Schwarz…
Eevblog #1293 – new rohde and schwarz ngp800 800w psu
A look at the new Rohde and Schwarz NGP800 800W system power supply. Teardown and a brief play around. Subscribe…
Eevblog #1292 – $2 meter vs jva electric fence controller!
Multimeter destruction and high speed camera time! Follow up to the dumpster electric fence controller. The designer and CEO of…
Pro tip: diy hand sanitiser
How to make your own hand sanitiser with the isopropyl alcohol you should have in your lab. Subscribe on Library:…
Eevblog #1291 – mailbag
More Mailbag! SPOILERS: WTF: A soldering iron mouse controller? 10:05 Snapton Designers Guide: https://www.snaptron.com/free-samples/designers-guide/ Snapton Dome Kit: https://www.snaptron.com/free-s
Eevblog #1290 – hapbee: anatomy of a snake oil product
The Hapbee has raised half a million dollars on Indiegogo, it's magic woo woo that can make you feel different…