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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The ultimate beginners guide to multimeters. What are they, how to choose one, and how to use them to measure electrical things. EEVblog meters: https://eevblog.store/ Cheap $20 meter AN8008 Fluke 101 for $50 Forum: https://www.eevblog.com/forum/blog/eevblog-1636-ultimate-multimeter-beginners-guide/ 00:00 – The Ultimate Beginners Guide to Multimeters 00:35 – Display Counts Explained 01:17 – …
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Installing a 15kWh AERL Life2 LiFePo4 solar home storage battery to my Deye inverter. Thanks to Peter Watkinson from AERL, one of my long time viewers! AERL were the first to invent and patent the Maximum Power Point Tracker MPPT used in all modern solar systems. Analysis video that was …
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A small Australian company called Deep Cycle Systems (DCS) is suing Youtuber Stephan Fischer from AllOffroad 4×4 Adventures for defamation for (IMO) an honest multi-year battery review and documenting other users experiences with DCS LFP batteries in their 4×4 vehicles. If DCS win this insane lawsuit it will be a …
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The WAVJA Photon Energy System is supposed to generate up to 60x the output of regular solar panels using balls made of magical patented woo-woo material. A 60mm ball can generate 300kW in one second! Let’s bust that claim by looking at the Patent in this Part 2 video. Part …
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The WAVJA Photon Energy System is supposed to generate up to 60x the output of regular solar panels using balls made of magical patented woo-woo material. Let’s examine claim with Dave’s superior Photon Irradiance Solar System technology! This is Part 1. Part 2 looks at the patent. https://wavja.com/ Product video: …
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The solar installers screwed up the job a THIRD time! AND they tried to cover it up, literally! This time it’s my Deye inverter when they came back to fix the 2nd problem as shown in this video: https://www.youtube.com/watch?v=mztgHWnDkHo
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Why do companies still sell 2CH oscilloscopes? Plus a massive tangent into test and production engineering showing one of my old test engineering projects. LCR meter and Transmission Line Tester design: https://www.youtube.com/watch?v=fs2MfTW4o_Q Relay Matrix IR Measurement: https://www.youtube.com/watch?v=-mavHYV-H6o PC104 Embedded DOS PC: https://www.youtube.com/watch?v=6ad0KP5EvpU Linus Tech Tips Test Rack: https://www.youtube.com/watch?v=b3x28s61q3c Test rack …
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