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 …
Read More »EEVblog 1637: Solar Freakin’ Space Mirrors! – Reflect Orbital DEBUNKED
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 …
Read More »EEVblog 1636 – Ultimate Multimeter Beginners Guide
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 – …
Read More »EEVblog 1634 – 15kWh AERL LFP Home Storage Battery Install
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 …
Read More »eevBLAB 120 – DCS sues Youtuber for Defamation! – Threatens entire review industry
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 …
Read More »EEVblog 1633 Part 2 – WAVJA Patent, 300kW Solar Balls?
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 …
Read More »EEVblog 1633 – WAVJA Solar Balls, 60x Better Than A Solar Panel? – Part 1
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: …
Read More »Solar Power Install FAIL #3 !
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
Read More »EEVblog 1632 – WHY sell 2CH Oscilloscopes? + Test Engineering
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 …
Read More »EEVblog 1631 – $230 Micsig MDP700 HV Differential Probe Review
$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: …
Read More »EEVblog 1630 – Solar Panels for Water Pre-Heating?
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 …
Read More »EEVblog 1629 – Dumpster Find: A3 Colour Photocopier
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
Read More »EEVblog 1628 – Home Solar Power Re-Install + Upgrade + FAIL
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 …
Read More »EEVblog 1627 – Electronex: Engineering Consulting with Xentronics
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/
Read More »EEVblog1626 – YOU HAD ONE JOB! (Solar Power Install FAIL)
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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