Almost 30 minutes of tearing down a Samsung 75″ QLED One Connect dumpster TV and trying to power it up to see if it’s busted or not. QA75Q7FNA 00:00 Dumpster Samsung QLED 75″ 04:46 – Teardown wasn’t easy as expected… 08:11 – What is this cable retention BS? 11:26 – …
Read More »
More Mailbag! 00:00 – DPS Ultrathin DIN 5V PSU’s https://digitalpowersystems.eu/de/standard-produkte/ 01:15 – The Knife 06:16 – USB-C Isolator https://digitalpowersystems.eu/de/schnelle-und-sichere-usb-zu-uart-kommunikation-dank-digitaler-isolierung-und-esd-schutz-fur-ein-und-ausgange/ 07:34 – Zubax FluxGrip FG40 Electropermanent Magnet for Drones https://zubax.com/products/magnets/fluxgrip/fg40 11:55 – Testing the magnet 14:04 – Drone delivered multimeters? 14:53 – Why did someone send this? 15:46 – Wireless Freakin’ …
Read More »
You can use almost any decent modern multimeter to safely discharge high voltage capacitor banks WITHOUT a LowZ function. Forum: https://www.eevblog.com/forum/blog/eevblog-1655-multimeter-tip-discharge-capacitors-using-any-meter/ Transistor Zener Clamp video: https://www.youtube.com/watch?v=BGcKjy_UNQ4 Podcast: Download
Read More »
A full 3 hour discussion with the legendary Lee Felsenstein, designer of the Osborne 1, SOL computer, VDM-1, Pennywhistle modem, and the inventor of social media. Covering everything from the Berkeley free speech movement, the counterculture movement, his career, through to Obsorne and how he invented social media with Community …
Read More »
Revisiting the alkaline battery leakage testing with a 555 circuit from a viewer. Forum: https://www.eevblog.com/forum/blog/eevblog-1653-alkaline-battery-leakage-testing-2-electric-boogaloo/ Final results of the first leakage testing: https://www.youtube.com/watch?v=BScnU4BT4xk Podcast: Download
Read More »
Why is my lab power switchboard wired like this? Forum: https://www.eevblog.com/forum/blog/eevblog-1652-why-is-my-lab-switchboard-wired-like-this/ Podcast: Download
Read More »
A small contribution to the retro computer community, scanning a rare Tandy 1100FD laptop computer service manual. https://eevblog.com/files/Tandy1100FD-Service-Manual-Schematics.pdf https://eevblog.com/files/Tandy1100FD-Service-Manual.pdf https://eevblog.com/files/Tandy1100FD-Service-Manual-Addendum.pdf
Read More »
I’m finally upgrading the infamous rats nest home switchboard! https://insightelectrical.com.au/ Forum: https://www.eevblog.com/forum/blog/eevblog-1651-home-electrical-switchboard-upgrade/ 00:00 – A look at the old switchboard 03:29 – Single Phase 04:57 – Surge protection 05:28 – Old school ceramic fuses 06:04 – Inside the infamous Rats Nest! 08:29 – Simon from Insight Electrical 09:09 – Could …
Read More »
Review of the Sequre HT-140 USB-C Desoldering Tweezers https://sequremall.com/collections/diy-tools/products/sequre-ht140-2in1-hot-tweezers-soldering-iron-desoldering-repair-tool-for-smd?variant=44204748275900 Forum: https://www.eevblog.com/forum/blog/eevblog-1650-sequre-ht-140-smd-desoldering-tweezers-review/ Podcast: Download
Read More »
More mailbag! 00:00 – Everyones favourite segment! 01:00 – The very clever Edge Wedge from Metric Mind – Zero footprint programing header https://metricmind.com/ 05:19 – M5Stack Embedded processor modules https://shop.m5stack.com/products/m5stack-core2-esp32-iot-development-kit 11:28 – Err, the polarity is BACKWARDS! 12:41 – The M5stack website and UIflow2 GUI software 21:20 – Teardown of …
Read More »
USB Battery bank charger capacity explained. When you are comparing battery banks you want to use a measured Output Referred capacity figure, not an Input Referred mAh or Wh figure the manufacturers marketing department gives you. Forum: https://www.eevblog.com/forum/blog/eevblog-1648-input-vs-output-referred-battery-capacity-explained/ Podcast: Download
Read More »
You might have thought the Rouute road based energy system was gone, but like a phoenix it has returned from the grifting ashes as R-2ENERGY! Sadly, Discount Morgan Freeman has been replaced by discount Joe Average https://www.r-2e.com/ https://find-and-update.company-information.service.gov.uk/company/11768960 https://www.linkedin.com/company/r-2energy/ Forum: https://www.eevblog.com/forum/blog/eevblog-1647-road-based-energy-again-rouute-vs-r-2energy/ The original video has the full debunk on why …
Read More »
Remember Rouute, Road Based Energy that was going to revolutionise the world? How’s it going now?
Read More »
FixHub portable soldering station REVIEW https://www.ifixit.com/products/fixhub-power-series-portable-soldering-station Just the iron: https://www.ifixit.com/products/fixhub-power-series-smart-soldering-iron Schematic: https://www.ifixit.com/Document/MeQmLlLKT2LSSKFY/Portable-Power-Station-Electrical-Schematics.pdf Repair Guide: https://www.ifixit.com/Device/FixHub_Portable_Power_Station 3D Model: https://www.printables.com/model/1018125-fixhub-power-series-portable-power-station/ How intercreate designed the FixHub: https://www.intercreate.io/case-stories/ifixit-soldering-iron-and-smart-hub 00:00 – iFixIt FixHub Portable Soldering Station 01:26 – iFixit Screwdriver set + unboxing 02:41 – The smart iron 03:41 – The Portable Power hub 05:04 …
Read More »
Is the US$80 Quick TS11 80W Soldering station any good? SPOILER: Nope, it’s pretty terrible. Forum: https://www.eevblog.com/forum/blog/eevblog-1645-$80-quick-ts11-soldering-station-review/ Podcast: Download
Read More »
EEVblog No Script, No Fear, All Opinion
