Tragedy in the EEVblog lab as the arcade machine releases the magic smoke. Claytons repair time. Forum: https://www.eevblog.com/forum/blog/eevblog-1301-arcade-machine-repair/ Podcast: Download

“Per Mille” is a trap for young players. “Parts Per” notation explained, along with percentage and ppm. Forum: https://www.eevblog.com/forum/blog/eevblog-1300-parts-per-notation-explained/ Podcast: Download

Repairing a Toshiba Satellite S40-B Laptop found in the dumpster. Library: https://lbry.tv/@eevblog:7/ Forum: https://www.eevblog.com/forum/blog/eevblog-1299-dumpster-laptop-repair/ Podcast: Download

A look at the $70 Juntek 2000W power supply with wireless display. Also the 3000W model, but does it have a problem? https://s.click.aliexpress.com/e/_dZVpwTI Library: https://lbry.tv/@eevblog:7 Forum: https://www.eevblog.com/forum/blog/eevblog-1298-$70-2000w-power-supply/ Podcast: Download

Dave’s long term LCD DC bias experiment has turned a regular 7 segment LCD effectively into an E-Ink/E-Paper display! Microchip LCD App Note: http://ww1.microchip.com/downloads/en/AppNotes/AN658-LCD-Fundamentals-and-the-LCD-Driver-Module-of-8-Bit-PIC-MCUs-00000658C.pdf Datasheet: https://www.lumex.com/spec/LCD-S101D14TR.pdf Forum: https://www.eevblog.com/forum/blog/eevblog-1297-turn-an-lcd-into-e-paper!/ Podcast: Download