EEVblog No Script, No Fear, All Opinion

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

ChatGPT has changed everything in the space of a month.2023 will be the year of Conversational Search and computer code generation.And how MidJourney and DALL-E have rendered artists obsolete, or at least turned ANYONE into a great and capable artist.This video thumbnail was generated in seconds by Dave who has …

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

Looking at a faulty returned BM786 multimeter. Warning: Some components were harmed in the making of this video. Forum: https://www.eevblog.com/forum/blog/eevblog-1520-troubleshooting-a-faulty-bm786-multimeter/ Youtube: Podcast: Download

Hacking a dumpster Sonos Play 5 Gen 1 speaker to remove all the evil software locking and turn it into a dumb speaker with just line-in and basic wireless Bluetooth. Integrating a new Fosi Audio ZX-TB21 2+1 amplifier. https://amzn.to/3USD7xQ Youtube: Sonos, the Juicero of wireless speakers: https://www.youtube.com/watch?v=lLyjvXAJcLM Forum: https://www.eevblog.com/forum/blog/eevblog-1519-free-your-sonos-speaker!-(hack)/ Podcast: …

Depotting, teardown, and some reverse engineering analysis of the 400W Hoymiles solar microinverter. https://www.hoymiles.com/products/microinverter/ Hoymiles vs Enphase microinverter review: https://www.mcelectrical.com.au/hoymiles-microinverter-review/ Forum: https://www.eevblog.com/forum/blog/eevblog-1518-hoymiles-solar-microinverter-teardown/ Youtube: Odysee: Podcast: Download

Installation of a Reclaim Heat Pump hot water system replacing a high efficiency gas tank hot water system. And anlysis of the results. Is a heat pump hot water system more efficient than a gas hot water system? Forum: https://www.eevblog.com/forum/blog/eevblog-1517-heat-pump-hot-water-install-analysis/ Youtube: Odysee: 00:00 – The existing gas tank hot water …

Mailbag Bonanza! Send stuff to: EEVblog Mailbag PO Box 7949 Norwest NSW 2153 AUSTRALIA Forum: https://www.eevblog.com/forum/blog/eevblog-1516-mailbag-bonanza!/ 00:00 – Mailbag Bonanza! 02:24 – Australian Signals Directorate 75th Aniversary 50 Cent Coin 05:07 – One-Shot Relay! 07:20 – Olight Torch Bonanza! https://www.olightstore.com.au/s/P7TWZN 08:20 – Olight Marauder 2 14,000 lumen torch 18:29 – …

Upgrading the dumpster Tektronix TDS540D oscilloscope with an LCD had a few issues… Ebay listing if you want it: https://www.ebay.com.au/itm/225251897379 Forum: https://www.eevblog.com/forum/blog/eevblog-1515-dumpster-tektronix-tds540d-500mhz-oscilloscope-lcd-replacement/ Youtube: Podcast: Download

A surprising dumptser diving find that might prove we live in a simulation. A Sony GTK-X1BT bluetooth enabled party jukebox Hi-Fi speaker system. Forum: https://www.eevblog.com/forum/blog/eevblog-1513-dumpster-tossers-have-no-shame/ Youtube: Odysee: Podcast: Download

Comparing gas hot system to a heat pump hot water system before I install a Reclaim 415L heat pump hot water system at home to use my excess solar energy. Forum: https://www.eevblog.com/forum/blog/heat-pump-hot-water-system-vs-gas-hot-water/

Why add bypass capacitors on a PCB like THIS? Answering a Twitter question: https://twitter.com/furan/status/1586889993234038786 https://www.vgamuseum.info/index.php/cpu/item/993-s3-supersavage-ixc-sdr Forum: https://www.eevblog.com/forum/blog/eevblog-1512-why-bypass-your-pcb-like-this/ Youtube: Odysee: Podcast: Download

The magic smoke was released from my solar analytics monitoring system. What was the culprit? Also Dumb Dave™ gets ZAPPED! Forum: https://www.eevblog.com/forum/blog/eevblog-1511-my-solar-analytics-system-failed/ Youtube: Odysee: Podcast: Download

HUGE SURPRISE inside the new low end $699 Rigol 12bit low noise HDO1000 oscilloscope! Hacking forum thread: https://www.eevblog.com/forum/testgear/hacking-the-hdo1khdo4k-rigol-12-bit-scope/ Forum: https://www.eevblog.com/forum/blog/eevblog-1510-$699-rigol-12bit-hdo1000-teardown-woah/ Youtube: Odysee: Podcast: Download

A look at and teardown of three different types of Australian made high security Ross safe locks. Ross 700 high security key lock Ross 1000 Electronic keypad lock Ross 1000 Bluetooth lock https://rosslocks.com.au/ 00:00 – Mailbag 01:32 – Three different types of safe locks 05:54 – Which lock type is …