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/ Podcast: Download
Read More »EEVblog 1388 – Dumpster Diving 4K TV Murphy’s “Repair”
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/ Podcast: Download
Read More »EEVblog 1387 – MOSFET Repair Replacement Search
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/ Podcast: Download
Read More »Solar Panel Temperature Dependency
Dave looks a the effect of temperature on solar panel power output.
Read More »EEVblog 1386 – 295W Inverter vs 370W Solar Panel – WTF?
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 …
Read More »EEVblog 1385 – 8kW Home Solar Power System EXPANSION!
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: …
Read More »EEVblog 1384 – Halve Your Processor Power Consumption!
Halve Your Processor Power Consumption using Diffusion Capacitance! Dave demonstrates a neat but tricky technique to PWM a processor’s power pin to reduce power consumption. https://en.wikipedia.org/wiki/Diffusion_capacitance MIT: http://web.mit.edu/6.012/www/SP07-L16.pdf Colorado University: http://ecee.colorado.edu/~bart/ecen3320/f99/pdf/ch4_4_5.pdf Forum: https://www.eevblog.com/forum/blog/eevblog-1384-halve-your-processor-power-consumption!/
Read More »EEVblog 1383 – Human Battery Energy Harvesting BUSTED
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 …
Read More »Pro Tip: Don’t Spam Your Resume
Dave offers some advice for a kid who spammed him his resume.
Read More »EEVblog 1382 – Keysight EDU34450A 5.5 digit Bench Multimeter TEARDOWN
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: Podcast: Download
Read More »EEVblog 1381 – Argon Ion Laser 10kW PSU Teardown
What’s inside a 10kW linear power supply for a Coherent Skylight 300C 10W Argon Ion Laser? Teardown time! Daryl Tewksbury: https://theamphour.com/521-outdoor-laser-projection-object-mapping-with-daryl-tewksbury/ Forum: https://www.eevblog.com/forum/blog/eevblog-1381-10kw-argon-ion-laser-psu-teardown/ Podcast: Download
Read More »EEVblog 1380 – BBQ IBM Chips
It’s an aussie barbie with fried IBM chips. Ken Shirriff’s blog: https://www.righto.com/ Forum: https://www.eevblog.com/forum/blog/eevblog-1380-bbq-ibm-chips/ Podcast: Download
Read More »EEVblog 1379 – What’s all this NPLC Stuff Anyhow?
Why does a handheld multimeter read zero volts and a bench meter reads several volts? It’s all about the NPLC’s man… Forum: https://www.eevblog.com/forum/blog/eevblog-1379-whats-all-this-nplc-stuff-anyhow/ Podcast: Download
Read More »EEVblog 1378 – NEW Uni-T UT61E+ Multimeter – Still bang-per-buck king?
Is the new Uni-T UT61E+ Multimeter still the bang-per-buck king the existing UT61-E was? How does it compare? Is the increased cost worth it? https://s.click.aliexpress.com/e/_AaRaJS https://s.click.aliexpress.com/e/_9foaZO And what about the ANENG AM870 at half the price? https://s.click.aliexpress.com/e/_AFiPjA Flickr photos: https://www.flickr.com/photos/eevblog/albums/72157718441411852 Forum: https://www.eevblog.com/forum/blog/eevblog-1378-new-uni-t-ut61e-multimeter/ Podcast: Download
Read More »Dumpster Plugpack Graveyard!
WHY did someone chop the leads off and throw out a dumpster full of plugpacks? It’s a plugpack dumpster graveyard!
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