EEVblog

If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblog 00:00 – Comissioned component artwork https://www.bad-dog-designs.co.uk/ 01:48 – 1.3GHz DIY FET probe https://hackaday.io/project/184924-diy-13-ghz-fet-probe https://github.com/makerprobe/FETProbe_tiny 07:53 – The uSupply makes an apperance! 09:14 – Ron Demcko sends in some goodies 14:23 – Mysterious Patent 19:10 – …

Checking out the new 10 cent WCH CH32V003 48MHz RISC V processor demo board and the MounRiver Eclipse IDE. Getting to blinky. The CH32V003 is a pin-for-pin alternative to the STM8S003 at 1/3rd the price, with more features. If you find my videos useful you may consider supporting the EEVblog …

Stopping the robot uprising by tearing down a Samsung SR8980 robotic cleaning robot found in the dumpster. Forum: https://www.eevblog.com/forum/blog/eevblog-1523-dumpster-samsung-cleaning-robot-teardown/ Youtube: Podcast: Download

Part 2 of the BM786 troubleshooting repair, proving it’s the processor at fault. Forum: https://www.eevblog.com/forum/blog/eevblog-1520-troubleshooting-a-faulty-bm786-multimeter/ Youtube: Podcast: Download

What is Common Mode Rejection Ratio (CMRR) and how to measure it on a high voltage differential probe or differential amplifier. Youtube: Extended 30min version: https://www.youtube.com/watch?v=4gi2B3LrCww Differential Probe How It Works: https://www.youtube.com/watch?v=GOlgaEK2Hsk High Voltage Probe reverse engineering: https://www.youtube.com/watch?v=GOk1BYKSsOI&t=2s Forum: https://www.eevblog.com/forum/blog/eevblog-1521-how-to-measure-differential-probe-cmrr/ Podcast: Download