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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$230 Micsig MDP700 High Voltage Differential probe review and comparison with the older DP10007 and the EEVblog HVP70 probe. Have Micsig fixed the CMRR issue that plauged the DP10007 design? https://s.click.aliexpress.com/e/_DnNvolN CMRR measured and explained: https://www.youtube.com/watch?v=vDe_BHvRpks GaN MOSFET Experiemnts with fibre optic high voltage probe: https://www.youtube.com/watch?v=qgZgSDqmVMg Reverse engineering the DP10007: …
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Is it worthwhile to run water through your rooftop solar panels to cool them down while pre-heating your hot water? Or maybe heating your pool? Also solar air and water heaters. As always, YMMV, but this is why I didn’t do it. Answering a Twitter question: https://x.com/axion2003/status/1812740667367460971 Heat Pump Hot …
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A Konika Minolta bizhub C284e A3 colour photocopier found in the dumpster. Enjoy Dave’s embarrassment at the redundant teardown. Ebay listing for original modern art print: https://www.ebay.com.au/itm/226241082176 Forum: https://www.eevblog.com/forum/blog/eevblog-1629-dumpster-find-a3-colour-photocopier/ Podcast: Download
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Reinstallation of the 5kW Enphase microinverter home solar power system, and installation of a new 5kW Deye Hybrid inverter string system did not go well… Forum: https://www.eevblog.com/forum/blog/eevblog-1628-home-solar-re-install-upgrade-fail/ Deye user manual: https://www.sunovagroup.com.au/wp-content/uploads/2023/12/SUN-3-6K-SG04LP1-AU-1.pdf 00:00 – New Trina, old LG, and even older LG panels 03:44 – Salute the old Sunnyboy 3kW string …
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A talk with Scott Williams from Xentronics at the Electronex show about freelancing and running an electronics design consultancy business. https://xentronics.com.au/ The Amp Hour Talk 1: https://theamphour.com/624-design-manufacturing-consulting-with-scott-williams-from-xentronics/ Talk 2: https://theamphour.com/645-moving-down-the-stack-with-scott-williams/ Forum: https://www.eevblog.com/forum/blog/eevblog-1627-electronex-engineering-consultancy-with-xentronics/
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My solar power installer HAD ONE JOB but FAILED. A short story. LOL along as they attempt to reinstall and commision my Enphase microinverter solar power system. Aircon Install FAIL video: https://www.youtube.com/watch?v=XD5Emhqd5Ks Forum: https://www.eevblog.com/forum/blog/eevblog-1626-you-had-one-job!-(solar-power-install-fail)/ Podcast: Download
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Uni-T are making a surprising move into the mid end instrument market with some custom ASIC based oscilloscopes, spectrum analysers, signal generators and a bunch of other instruments. A talk with Mark Isherwood from Rapid-Tech, the Australian dealer for Uni-T. https://rapid-tech.com.au/uni-t-instruments/ Forum: https://www.eevblog.com/forum/blog/eevblog-1625-electronex-scope-wars-the-rise-of-uni-t/ Podcast: Download
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An interview at the Liquid Instruments stand at Electronex 2024 about the Moku range of multi-function mixed signal oscilloscope, designed and built in Australia! Thanks to Ben Price for answering the questions even though he’s the mechnical engineer! https://www.liquidinstruments.com/ Forum: https://www.eevblog.com/forum/blog/eevblog-1624-electronex-liquid-instruments-moku-oscilloscope/ Podcast: Download
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