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 …
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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
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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 Sadly, Discount Morgan Freeman has been replaced by discount Joe Average https://www.r-2e.com/ https://find-and-update.company-information.service.gov.uk/company/11768960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 …
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Remember Rouute, Road Based Energy that was going to revolutionise the world? How’s it going now?
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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 …
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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
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More mailbag! 00:00 – Crowview Monitor & Keyboard https://www.elecrow.com/crowview-note-all-in-one-portable-monitor-phone-to-laptop-device-with-full-featured-type-c-sbcs-mini-pc-pc-game-console-compatibility.html 08:11 – Casio Border Army Game+Watch 11:34 – Minipa ET-1700 Pocket Multimeter 13:24 – Adafruit PCB Ruler 14:14 – PASS Card Game 15:13 – Crusty Raspberry Pi 17:40 – Sinusoid 4-20mA Rotary Encoder 29:29 – Wurkkos H1 USB Battery Bank 36:05 …
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You get what you pay for in EV chargers. Don’t buy this super cheap New Energy brand 7kW 32A EVSE Charger. Does it even meet the IEC 62752 it claims on the label? Or the US UL 2231 standard? MIDA brand EVSE: https://www.youtube.com/watch?v=SrZgN_EuRGw Podcast: Download
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Can I resurrect my first digital multimeter? A Soar ME-533 Forum: https://www.eevblog.com/forum/blog/eevblog-1641-can-i-resurrect-my-first-digital-multimeter/ 00:00 – My first digital and analog multimeters, Soar ME-533 + Micronta 22-201U 03:20 – Battery terminal corrosion, of course 05:13 – My first pair of pliers and screwdriver 06:11 – Teardown 08:10 – Removing the LCD 10:24 …
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How DC Solar Isolators Work (TEARDOWN) 00:00 – Teardown of Benedict LS25 Solar True DC Isolator Switch 04:29 – How the contacts work 06:02 – How arc chutes and arc barriers work 12:11 – 5000V arc testing Datasheet: https://www.benedict.at/files/documents/6617533-DC-Switch-Disconnector-D946E.pdf Forum: https://www.eevblog.com/forum/blog/eevblog-1641-how-dc-solar-isolators-work-(teardown)/ Podcast: Download
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AllPowers R1500 1500W 1150Wh LiFeP04 Battery Review + Teardown Code: EEVblog10 for 10% off Forum: https://www.eevblog.com/forum/blog/allpowers-r1500-1500w-1150wh-lifep04-battery-review-teardown/ Teardown photos:
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More interesting mailbag! 00:00 – Forest M Mimms Make: Maverick Scientist: My Adventures as an Amateur Scientist https://amzn.to/4e7fSup Signed copies: https://www.makershed.com/products/maverick-scientist-hardcover Engineers Mini Notebook are still available! https://amzn.to/3zvSkjJ https://amzn.to/3XLRJnn https://amzn.to/3XLMHY7 https://amzn.to/4dd9cJQ In the Lab with Jay Jay: https://www.youtube.com/@InTheLabWithJayJay 03:30 – Unmanaged615 https://www.reddit.com/r/TheAmpHour/ 04:40 – Piezo tranducer sensor thing + singing …
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Teardown of the new Keysight InfiniiVision HD3 14bit Megazoom V ASIC oscilloscope https://www.keysight.com/us/en/products/oscilloscopes/infiniivision-2-4-channel-digital-oscilloscopes/infiniivision-hd3-series-oscilloscopes.html Forum: https://www.eevblog.com/forum/blog/eevblog-1639-keysight-hd3-oscilloscope-teardown/ Podcast: Download
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After 13 YEARS Keysight have finally released the new MegaZoom V ASIC oscilloscope! Let’s take an initial look at the HD3 / HD300 series released today. NOTE: I only had this scope for 24 hours from when it arrived to when I released this video, so please excuse the crudity …
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Reflect Orbital wants to put reflecting mirrors in space to sell sunlight to solar farms after dark. The numbers work out exactly as you expect them to. It’s Solar Freakin’ Space Mirror time! https://www.reflectorbital.com/ BenNBuilds balloon test video: https://www.youtube.com/watch?v=4hUNCtDTIZc First Principles interview with Ben Nowack: https://www.youtube.com/watch?v=yDV3v0Xb4ow S3 Interview video with …
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