EEVblog David L. Jones

This is the biggest mistake beginners often make when using a multimeter ohms function. A customer returned an EEVblog BM235 multimeter because it was “Faulty” Was it? Let’s find out what happens when you try and measuse a CAN bus with a multimeter. Forum: https://www.eevblog.com/forum/blog/eevblog-1622-dont-make-this-multimeter-mistake/ 00:00 – Don’t measure a CAN bus with a multimeter! …

More mailbag! A look at the RadiaCode Radiation Monitor, and the LattePanda Mu Intel N100 Compute Module. https://www.radiacode.com/ https://amzn.to/3yV5Gp4 https://www.lattepanda.com/lattepanda-mu https://www.dfrobot.com/kit-004.html Github: https://github.com/LattePandaTeam/LattePanda-Mu/tree/main/Electricals/Examples/%5BDFR1141%5DFull%20EVA%20Carrier%20for%20LattePanda%20Mu Part 2: https://www.youtube.com/watch?v=UE_srZZdPjM 00:00 – Mailbag 00:30 – Radiacode 103 Radiation Detector & Spectrometer 07:48 – Teardown 14:09 – LattePanda Mu Intel N100 Compute Module 25:22 – Power up Forum: https://www.eevblog.com/forum/blog/eevblog-1621-mailbag-radiacode-radiation-monitor-lattepanda-mu-compute-modu/

Extreme teardown of the Deye SUN-5K-SG04LP1 5kW hybrid solar inverter. Will it contain the quality components claimed? Also a topology reverse engineering of all the stages. Hi-Res photos: 00:00 – A generous and coincidental donation from a viewer 00:37 – We have the brochure, let’s check the claims! 02:44 – Front panel PCB 03:46 – …

More Mailbag! 00:00 – THE Don McKenzie! and a bonanza of embedded history https://www.dontronics.com/jump-list.html https://www.dontronics.com/First-pc.html 08:44- PBUFF prototype 18:38 – Photon, the world’s longest battery life camera (Open Source) https://toaster.llc/photon/index.html 29:19 – Sanyo ICC-811 Mini Calculator from 1972 37:33 – Japanese Gadgets: USB to Bluetooth converter + USB Cable Tester https://bit-trade-one.co.jp/ 43:28 – Professional Electronic …

Dave is chasing fart noises in this JBL Charge 3 waterproof speaker. A teardown, and powerup on the bench to find the mysterious fart noises. Will it get repaired, or will the fault do a Harold Holt? Part 2: https://www.youtube.com/watch?v=u7sVGnrf0P0 Forum: https://www.eevblog.com/forum/blog/eevblog-1605-chasing-fart-noises-jbl-charge-3-repair/ 00:00 – JBL Charge 3 Waterproof Speaker Fault 02:17 – Teardown 07:13 – …

Burden Voltage is a BIG trap with Multimeters, don’t get caught out! A short video demonstrating the impact of Burden Voltage / Shunt Resistance on current measurement. Mutlimeter Shunt Tutorial Part1: https://www.youtube.com/watch?v=jx0dryLmUEQ Part 2: https://www.youtube.com/watch?v=xSEYPP5Xsi0 Forum: https://www.eevblog.com/forum/blog/eevblog-1604-beware-multimeter-burden-voltage/