EEVblog No Script, No Fear, All Opinion

Dave checks out a Fluke/Philips PM2812 System DC Power supply he scored from ebay for 30 bucks. Does it work? Will the bunker hardware tin collection come through? Forum HERE Service Manual HERE Podcast: Download

Dave gives his first impression of Altium’s new FREE PCB design tool for the maker community, Circuit Maker. http://www.circuitmaker.com/ What are the limitations? What do you get? Forum HERE Altium Entry Level PCB Tool Rant HERE Podcast: Download

Unboxing of the new Inventables X-Carve Milling Machine kit. How well will it work for PCB milling? Forum HERE Podcast: Download

What’s inside the original 1979 Sony Walkman TPS-L2? The product that started the personal music revolution. Service manual HERE Forum HERE High Res teardown photos: Podcast: Download

I have a 40 minute video on the recent media claims about the Batteriser, a device that claims up to 800% improvement in battery life with primary Alkaline batteries. Many people have asked for a much shorter explanation of the claims, so here we go, for those who can’t afford …

Dave introduces his Product Baloney Detection Kit, and offers a step-by-step how-to tutorial guide to debunking wild marketing claims on tech products. In this case the Batteriser, a boost converter that fits around ordinary AA batteries which claims to increase the battery life by up to 800%. Does it live …

Dave & Sagan unbox a very special mailbag item! Forum HERE Podcast: Download

Another Mailbag, Dave opens his mail. What have people sent in this week? Forum HERE SPOILERS: Parrot clips Tekbox self powered active load Original Sony TPS-L2 Walkman from 1979 Sony DAT Walkman Sony Video Walkman Matrix SR4000 autochromatic tuner SunStar 1:18 scale Delorean Time Machine Soviet Union Elecktronika MK52 Calculator …

Dave explains how BJT and MOSFET transistors work at the silicon chip level. How does a BJT transistor actually amplify current? P and N type doping, charge carriers, conduction channel, field effect, holes and electrons, all the other good stuff. Forum HERE Podcast: Download

A reddit user asks what is the point in learning basic electronics these days when you can do everything with off the shelf modules and boards like Arduinos and the like. They make it super easy to build stuff, so why does anyone need any knowledge of basic electronics any …

Dave goes back 20 years and find an old PC Based Logic Analyser project of his that was published in Electronics Australia magazine back in 1996. He uncovers the original timing diagrams, schematics, and prototype. And tries to resurrect the old Borland Pascal 7 source code and Lattice ispLSI PLD …

What’s inside the a 1987 vintage Sharp X68000 personal computer / gaming system from Japan? Sold exclusively in Japan from 1987 to 1993 this 10MHz 68000 based boasted graphics capability superior to the Amiga and Atari ST. The powerful graphics enabled pixel-perfect ports of clasic games arcade games, and the …

The EEVblog Lab had a HD Dropcam so that people could watch what was happening live in the lab. It worked well enough, but then Dropcam changed their terms and conditions and wanted to merge with Nest (who bought them). This was bothering Dave so the search for an alternative began. Surprising, …

Mailbag time again. Dave opens his mail. What random stuff awaits? Forum HERE SPOILERS: Marble Run video below A vintage Japanese Sharp X68000 video game home computer from the 1980’s Teardowns of an industrial controller, a LED light controller, ABB industrial switchmode power supply, Casio FX-3800P programmable calculator, old Gossen …

Dave explains how to attach an SMD power transistor or regulator to a case to use as a heat sink in this design tutorial. And in the process talks about thermal design, the electrical/thermal analogy, and thermal vias. This is Part 15 of the µSupply Power supply design series. Other …