EEVblog

Think your multimeter doesn’t have inbuilt temperature measurement? Think again! Dave shows you a trick to measure ambient temperature with your multimeter without a temperature probe. Forum: https://www.eevblog.com/forum/blog/eevblog-1392-no-temp-probe-no-problem!/ Followup video testing in the fridge: https://www.youtube.com/watch?v=48J0m3dvpgA

More mailbag! Forum: https://www.eevblog.com/forum/blog/eevblog-1391-mailbag/ https://odysee.com/@eevblog:7/TooSpicyForYoutube:4 SPOILERS: 00:00 – Panasonic S-VHS DP200 camcorder 08:23 – Home lab: Andrew Tayman 12:25 – Casio G-SHOCK Mudmaster watch teardown 24:44 – Modul Bus LCR substitution box and RT100 valve prototyping breadboard KainkaLabs Youtube channel 32:16 – eDesign Miniware MHP30 Mini BGA pre-heater 40:16 – The Snapistor! 46:53 – EPM3081 ...

Dave explains a common inherent measurement problem in the solar industry with having two seperate solar power systems and monitors on the one house. Why is Dave’s household consumption going NEGATIVE on both his older Solar Analystics system and new Enphase Envoy system? And why does the consumtion follow the sun? And what is the ...

A government in Barecelona Spain has paid 30,000 euro for a 9kW solar pavement from Platio. This perennial favorite topic never ceases to provide debunking entertainment! Forum: https://www.eevblog.com/forum/blog/eevblog-1389-spanish-solar-pavement-stupidity/

Dave fixed this Hitachi dumpster diving 4K TV so well that he broke it! Forum: https://www.eevblog.com/forum/blog/eevblog-1388-dumpster-diving-tv-murphys-repair/

Dave tries to find a locally sourced replacement MOSFET for a dumpster repair and battles the RS Components and Element 14 wonky search engines and parametric search engines. Dave’s name was on a US government watch list: https://www.eevblog.com/2014/02/24/element-14-holding-orders-based-on-us-government-watch-list/ Forum: https://www.eevblog.com/forum/blog/eevblog-1387-mosfet-repair-replacement-search/

Why do Dave’s new 370W LG solar panels use lower rated 295W Enphase microinverters? What gives? Inverter clipping, solar panel overrating, DC/AC ratio, solar irradiance, and microinverter underrating explained. And a look at data from Dave’s old 3kW system to predict how many days a year the new 5kW system will clip. Solar irradiance map: ...

Dave explands his 3kW home solar power system to 8kW using new 370W LG NEON 2 panels and Enphase IQ7+ micro inverters! The complete installation video. Time lapse videos and other analysis videos to come on the EEVblog2 channel. Thanks to LG Australia, Enphase and Clenergy: https://www.lgenergy.com.au/uploads/download_files/1838242344c5c485f219a20564a1dee4d862355d.pdf https://enphase.com/en-au/products-and-services/microinverters/family Clenergy racking: https://www.clenergy.com.au/ Forum: https://www.eevblog.com/forum/blog/eevblog-1385-8kw-home-solar-power-system-expansion/

It’s peltier thermoelectric generator TEG time again! This time the University of Colorado Boulder claim to have a new flexible TEG device you can stick on your skin that can power wearable and Internet of Things devices. It’s The Matrix! and the media are lapping it up. Can your body generate enough power for a ...

Teardown of the new Keysight EDU34450A 5.5 digit Bench Multimeter Forum: https://www.eevblog.com/forum/blog/eevblog-1382-keysight-edu34450a-5-5-digit-bench-multimeter-teardown/ HiRes teardown photos: