EEVblog
384 episodes - English - Latest episode: 17 days ago - ★★★★★ - 79 ratingsNo Script, No Fear, All Opinion
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Episodes
EEVblog 1393 – Retro Fluke 37 Multimeter Review & Teardown
May 13, 2021 13:54 - 19 minutes - 356 MB VideoDave takes a look at his favourite form factor multimeter of all time, the Fluke 37 from 1985 Forum: https://www.eevblog.com/forum/blog/eevblog-1393-retro-fluke-37-multimeter-review-teardown/
EEVblog 1392 – No temp probe? No problem!
May 13, 2021 07:06 - 5 minutes - 89.7 MB VideoThink 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
EEVblog 1391 – Mailbag
May 10, 2021 02:33 - 1 hour - 1.06 GB VideoMore 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 ...
EEVblog 1390 – NEGATIVE Household Solar Consumption? WHY?
May 03, 2021 12:04 - 28 minutes - 301 MB VideoDave 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 ...
EEVblog 1389 – Spanish Solar Pavement STUPIDITY
May 03, 2021 12:01 - 18 minutes - 125 MB VideoA 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/
EEVblog 1388 – Dumpster Diving 4K TV Murphy’s “Repair”
April 23, 2021 23:04 - 29 minutes - 463 MB VideoDave 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/
EEVblog 1387 – MOSFET Repair Replacement Search
April 21, 2021 03:13 - 28 minutes - 143 MB VideoDave 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/
EEVblog 1386 – 295W Inverter vs 370W Solar Panel – WTF?
April 15, 2021 06:16 - 31 minutes - 140 MB VideoWhy 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: ...
EEVblog 1385 – 8kW Home Solar Power System EXPANSION!
April 15, 2021 06:13 - 48 minutes - 1.14 GB VideoDave 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: ht...
EEVblog 1383 – Human Battery Energy Harvesting BUSTED
April 09, 2021 03:43 - 28 minutes - 158 MB VideoIt’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 ...
EEVblog 1382 – Keysight EDU34450A 5.5 digit Bench Multimeter TEARDOWN
March 23, 2021 01:45 - 29 minutes - 451 MB VideoTeardown 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:
EEVblog 1381 – Argon Ion Laser 10kW PSU Teardown
March 20, 2021 02:56 - 38 minutes - 789 MB VideoWhat’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/
EEVblog 1380 – BBQ IBM Chips
March 20, 2021 02:53 - 18 minutes - 362 MB VideoIt’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/
EEVblog 1379 – What’s all this NPLC Stuff Anyhow?
March 08, 2021 00:34 - 18 minutes - 168 MB VideoWhy 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/
EEVblog 1378 – NEW Uni-T UT61E+ Multimeter – Still bang-per-buck king?
March 08, 2021 00:15 - 29 minutes - 539 MB VideoIs 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/
EEVblog 1377 – The Amazing UNPREDICTABILITY of Fuses!
February 24, 2021 23:12 - 34 minutes - 446 MB VideoHow long does it take for your 400mA multimeter fuse to blow at 600mA? Grab a chair and watch! The amazing unpredictability of fusing current ratings at low overloads. Forum: https://www.eevblog.com/forum/blog/eevblog-1377-the-amazing-unpredictability-of-fuses/
EEVblog 1376 – Tandy 102 Vintage Computer REPAIR
February 20, 2021 05:25 - 29 minutes - 412 MB VideoDave fixes a rather strange fault in his Tandy 102 portable computer. Forum: https://www.eevblog.com/forum/blog/eevblog-1376-tandy-102-vintage-computer-repair/
EEVblog #1375 – Mailbag
February 20, 2021 05:22 - 52 minutes - 956 MB VideoAnother bumper Mailbag! Forum: https://www.eevblog.com/forum/blog/eevblog-1375-mailbag/ SPOILERS: 00:00 – Start 00:17 – Dave hates cats 02:29 – BIG stud power diodes and SCR’s 06:20 – Workbench of the week. Louis Borsu from Brussels, Belgium 08:20 – Amiga Addict magazine: https://www.amiga-addict.com/ 11:35 – Dave levels up in the IEEE 13:09 – Canadian LCR Reader MPA Tweezers: https://lcr-reader.com/lcrreadermpa.html ...
EEVblog #1374 – DIY Trezor Crypto Hardware Wallet – Part 1
February 20, 2021 05:16 - 29 minutes - 157 MB VideoHow easy is it to take the open source Trezor Model T crypto hardware wallet files and manufacture your own? Or to modify or improve the design? The Trezor is open source hardware, so Dave checks out the Github and looks at the hardware files available and imports into Eagle and KiCAD. Where to from ...
EEVblog #1373 – DIY PCB Photograhy LED Light Box – Part 2
February 20, 2021 05:12 - 19 minutes - 181 MB VideoPart 2 of the DIY PCB LED light photography box. This time experimenting with top and bottom side emitters and paper reflectors to give an even better result. Forum: https://www.eevblog.com/forum/blog/eevblog-1372-diy-pcb-photography-light-box/
EEVblog #1372 – DIY PCB Photography Light Box
February 09, 2021 01:38 - 19 minutes - 352 MB VideoHow to build your own DIY light box for photographing PCB’s Dave experiments with a cardboard box, some alfoil, and a hacked YujiLED high cri studio light. https://www.flickr.com/photos/eevblog/albums Forum: https://www.eevblog.com/forum/blog/eevblog-1372-diy-pcb-photography-light-box/
EEVblog #1371 – A 10,000hr Battery Life Bench Multimeter?
February 08, 2021 01:55 - 24 minutes - 227 MB VideoDave is a tad obsessed with making a 10,000hr battery life bench multimeter. It’s actually not hard. Forum: https://www.eevblog.com/forum/testgear/10000hr-battery-life-bench-multimeter/
EEVblog #1370 – Kindle Paperwhite REPAIR
February 08, 2021 01:52 - 19 minutes - 285 MB VideoDave repairs his pesky Kindle Paperwhite with touch screen and charging issues. Forum: https://www.eevblog.com/forum/blog/eevblog-1370-kindle-paperwhite-repair/
EEVblog #1369 – Xiaomi Mi Air Wireless Charging BUSTED!
February 08, 2021 01:49 - 19 minutes - 242 MB VideoDave debunks the Xiaomi Mi Air wireless charging system that claims to be able to charge at 5W up to several meters using mm wave RF beam steering technology. Where have we heard this before? The Amp Hour 5G episode: https://theamphour.com/430-shahriar-discusses-5g/ https://blog.mi.com/en/2021/01/29/forget-about-cables-and-charging-stands-with-revolutionary-mi-air-charge-technology/ Forum: https://www.eevblog.com/forum/blog/eevblog-1369-xiaomi-mi-air-wireless-charging-busted!/
EEVblog #1368 – Active Oscilloscope Probes COMPARED (Part 2)
February 08, 2021 00:32 - 44 minutes - 671 MB VideoPart 2, this time looking at different types of active oscillocope probes. Single ended active FET probes, differential active FET probes, current clamp probes, high voltage differential probes, positional current probes, and EMC magnetic and electric field probes. 2MHz Current clamp probe: https://www.eevblog.com/product/cp2100b/ Active FET probe: https://amzn.to/3oq0Q8g EMC probe set: https://amzn.to/39oEqAh Forum: https://www.eevblog.com/forum/blog/eevblog-1368-active-oscilloscope-probes-c...
EEVblog #1365 – Viewer PCB & Circuit Design Review
January 14, 2021 06:58 - 45 minutes - 224 MB VideoDave answers a viewer technical question about why his circuit is acting up, and goes through a design review outlining the possible problems. Level translation, clocking, schmitt triggers, line driving, loading, buffering, bypassing, and other aspects are discussed. If you want to see more design reviews like this please drop a like and comment. Forum: ...
EEVblog #1364 – Compaq Portable PSU REPAIR
January 10, 2021 22:04 - 29 minutes - 421 MB VideoDave repairs the Compaq Portable Plus power supply. And takes a look at the schematic and an unusual old documentation system. Forum: https://www.eevblog.com/forum/blog/eevblog-1364-compaq-portable-psu-repair/
EEVblog #1363 – Solar FREAKIN’ Roadways Gets NEW FUNDING!
January 05, 2021 01:22 - 29 minutes - 152 MB VideoSolar FREAKIN’ Roadways has just raised over $1M by selling common stock in the company! AND has scored ANOTHER government contract!, this time from the Department of Defence! Solar FREAKIN’ Aircraft Carriers! https://www.startengine.com/solar-roadways Energy Output: https://monitoringpublic.solaredge.com/solaredge-web/p/kiosk?guid=1e085701-ccb3-4ce5-b107-86e3b5e831dd&locale=en_US Forum: https://www.eevblog.com/forum/blog/eevblog-1363-solar-freakin-roadways-gets-new-funding!/
EEVblog #1362 – A Very Skookum Mailbag
January 03, 2021 23:19 - 1 hour - 1.25 GB VideoFirst Mailbag of 2021 is a skookum bumper! Forum: https://www.eevblog.com/forum/blog/eevblog-1362-a-very-skookum-mailbag/ Spoilers: 00:00 – AvE’s 5lb Copper Widlarizer! https://www.youtube.com/user/arduinoversusevil Making of the hammer: https://www.youtube.com/watch?v=lutiVGV5Omg Final packing of hammer: https://www.youtube.com/watch?v=Exs4kQre62I 05:05 – Avionics Guest Lab from Gary Bertram 10:01 – Koki’o Project Cases: https://www.crowdsupply.com/cowfish-studios/kokio-project-case 12:50 – ...
EEVblog #1361 – Dodgy Tactile Switch TEARDOWN
January 03, 2021 08:25 - 14 minutes - 339 MB VideoBy popular demand, Dave tears down the dodgy tactile switch from his aircon, and compared with a couple of others. Forum: https://www.eevblog.com/forum/blog/eevblog-1361-dodgy-tactile-switch-teardown/
EEVblog #1360 – REPAIR – Aircon Control Panel
January 03, 2021 08:23 - 34 minutes - 488 MB VideoDave’s lab aircon control panel has been dodgy for years, time to finally fix it! A simple fault with rather interesting and complicated set of a symptoms based on a (poor?) design decision. Forum: https://www.eevblog.com/forum/blog/eevblog-1360-repair-aircon-control-panel/
EEVblog #1359 – My SUPER PORTABLE Vlogging Kit!
December 31, 2020 04:42 - 17 minutes - 304 MB VideoDave shows you his new compact portable video blogging kit that provides a complete vlogging solution in a tiny grab’n’go case! With 4 different audio solutions, lighting, power & charging solution, and a versatile handle and frame system, along with a tripod in an incredibly compact case. Bill of Materials: Sony ZV1 camera: https://amzn.to/3ptEjbG Pelican ...
EEVblog #1358 – $250,000 IBM Processor X-RAYED!
December 23, 2020 22:34 - 26 minutes - 322 MB VideoCollaboration with CPU Galaxy! The $250,000 IBM ceramic hybrid TCM processor module is X-RAYED! BONUS x-ray of a classic DIP chip! Technical PDF: https://eevblog.com/files/ibm-system390-air-cooled-alumina-thermal-conduction-module.pdf Forum: https://www.eevblog.com/forum/blog/eevblog-1358-$250-000-ibm-processor-x-rayed/
EEVblog #1357 – Dumpster Diving Santa PC
December 22, 2020 06:30 - 13 minutes - 245 MB VideoDumpster Santa delivered a nice Coolermaster Mini-ITX with Gigabyte GS-H97N motherboard and an Intel Core i5 inside. Forum: https://www.eevblog.com/forum/blog/eevblog-1357-dumpster-diving-santa-pc/
EEVblog #1356 – The USA finally gets Solar Roadways! LOL!
December 19, 2020 05:06 - 29 minutes - 197 MB VideoIf you thought Solar Rowadways was done and dusted in 2020, you were WRONG! French road company Colas Wattway have found a new sucker to try their already epically failed Wattway solar panels, this time in Georgia in the United States as part of a government funded initiative through Curiosity Labs and The Ray in ...
EEVblog #1355 – NEW Siglent SDS1104X-U $399 4CH Oscilloscope Teardown
December 16, 2020 05:47 - 31 minutes - 385 MB VideoTeradown of the new $399 Siglent SDS_1104X-U Four Channel oscilloscope. A cheaper alternative to the SDS1104X-E And what’s all this magnetic shielding stuff anyhow? Forum: https://www.eevblog.com/forum/blog/eevblog-1355-new-siglent-sds1104x-u-$399-4ch-oscilloscope-teardown/
EEVblog #1354 – Compaq Portable Repair – Part 2
December 15, 2020 06:04 - 23 minutes - 497 MB VideoDave breaths life into the old Compaq Portable from 1984. Forum: https://www.eevblog.com/forum/blog/eevblog-1354-compaq-portable-repair-part-1/
EEVblog #1353 – WHY Are These Pins Shorted?
December 07, 2020 06:53 - 23 minutes - 170 MB VideoEagle eyed viewers spotted a short between two pins on a TQFP chip in the previous teardown video. This isn’t a dodgy assembly issue, it’s a deliberate design short, Dave explains how and why. Solder masks and snap grids. Forum: https://www.eevblog.com/forum/blog/eevblog-1353-why-are-these-pins-shorted/
EEVblog #1352 – Aircraft Transponder TEARDOWN!
December 07, 2020 06:50 - 26 minutes - 617 MB VideoTeardown of a Made in Australia MicroAir T2000 aircraft transponder. http://microair.com.au/products/26/T2000SFL-Transponder-Rev8- Forum: https://www.eevblog.com/forum/blog/eevblog-1352-aircraft-transponder-teardown!/
EEVblog #1351 – Mailbag
December 01, 2020 04:33 - 54 minutes - 903 MB VideoMailbag time! Forum: https://www.eevblog.com/forum/blog/eevblog-1351-mailbag/ Mailbag bench images to: [email protected] SPOILERS: 00:00 – GPS Tracker Battery Leak 06:47 – Guest RF Lab – Chuck Kummer W7CLK 09:46 – Marklin HO scale railway turnout point 19:29 – GVDA GD118B Pocket Multimeter review https://s.click.aliexpress.com/e/_Ab3RNe 39:10 – GVDA GD116A AC Voltage Detection Stick review https://s.click.aliexpress.com/e/_AD7szi 43:41 – E-design Tweezer ...
EEVblog #1350 – Fake Energizer Batteries?
December 01, 2020 04:32 - 16 minutes - 402 MB VideoWere the Made in USA Energizer Max Plus AAA batteries in the previous leaking battery video FAKE? Dave found an identical genuine one and inspects and tears them down. Forum: https://www.eevblog.com/forum/blog/eevblog-1350-fake-energizer-batteries/msg3340976/#msg3340976
EEVblog #1349 – Energizer Battery Leakage – MADE IN USA!
November 25, 2020 01:18 - 4 minutes - 73.8 MB VideoDave caught a rare sight, an alkaline battery leakage in the potassium hydroxide liquid form before it had time to crystalise. This time in a Made in USA Energizer Max Plus AAA alkaline battery. Forum: https://www.eevblog.com/forum/blog/eevblog-1349-energizer-battery-leakage-made-in-usa/
EEVblog #1348 – World’s First IBM Compatible PC – The Compaq Portable
November 25, 2020 01:15 - 37 minutes - 666 MB VideoA look at and teardown of the world’s first IBM PC compatible PC, the Compaq Portable. Also some meter and oscilloscope part 1 repair action… Forum: https://www.eevblog.com/forum/blog/eevblog-1348-worlds-first-ibm-compatible-pc-the-compaq-portable/
EEVblog #1347 – SMD Thermal Jumpers could be GAME CHANGING!
November 13, 2020 21:34 - 19 minutes - 216 MB VideoNew SMD Thermal Jumper parts could radically change your PCB thermal designs! https://www.vishay.com/docs/60157/thjp.pdf https://atceramics.com/userFiles/uploads/pdfs/Q-BRIDGE.pdf Forum: https://www.eevblog.com/forum/blog/eevblog-1347-smd-thermal-jumpers-could-be-game-changing!/ This is a follow-on from the original SMD Thermal Design video: https://www.youtube.com/watch?v=2ygnAv6koSQ
EEVblog #1346 – How An Infrared Optical Touch Screen Works
November 08, 2020 09:37 - 24 minutes - 344 MB VideoDave tears down and investigates a Dell infrared IR optical touch screen monitor found in the dumpster. Infrared touch screen are not often used in consumer computer monitor applications compared to resistive and capacitive touch screen technologies. Forum: https://www.eevblog.com/forum/blog/eevblog-1346-how-an-infrared-optical-touch-screen-works/
EEVblog #1345 – HP DV7 Laptop Repair
November 05, 2020 00:56 - 16 minutes - 307 MB VideoDave fixes a thermal issue with his old video editing laptop, a HP Pavilion dv7 Forum: https://www.eevblog.com/forum/blog/eevblog-1345-hp-dv7-laptop-repair/
EEVblog #1344 – Custom Lab Storage Shelves
November 03, 2020 01:50 - 19 minutes - 247 MB VideoCustom storage shelves for under the bench in the new lab. Using an online flat pack custom shelving and storage ordering system, and assembly. Forum: https://www.eevblog.com/forum/blog/eevblog-1344-custom-lab-storage-shelves/
EEVblog #1343 – DEAD Deck Cree LED’s
November 03, 2020 01:46 - 27 minutes - 410 MB VideoAn update from EEVblog #50 (yes, #50!) The CREE XPG LED’s on the deck finally died and Dave needs a replacement, so time to hack some existing T8 LED tube lights. Forum: https://www.eevblog.com/forum/blog/eevblog-1343-dead-deck-cree-leds/
EEVblog #1342 – Symmetrical Dumpster PC Stacking
October 10, 2020 11:18 - 13 minutes - 209 MB VideoSymmetrical Dumpster PC Stacking, just like the Norwest mass turbulence of 1984. Dave’s been dumpster diving again for small form factor PC’s. Forum: https://www.eevblog.com/forum/blog/eevblog-1342-symmetrical-dumpster-pc-stacking/
EEVblog #1341 – AMAZING $250,000 IBM Processor TEARDOWN!
October 05, 2020 23:21 - 29 minutes - 466 MB VideoTeardown of a $250,000 1991 vintage IBM 9121 TCM Processor module from a System/390 ES9000 Enterprise Server mainframe computer,. Amazing state of the art 63 layer ceramic hybrid module construction with 2772 pins! And Dave demonstrates an amazing BGA desoldering technique that can only be done on these ceramic hybrid PCB’s. TCM PDF: https://eevblog.com/files/ibm-system390-air-cooled-alumina-thermal-conduction-module.pdf Forum: ...