EEVblog 1640 – Mailbag: 4k Microscope, Panaplex Displays, Piezo Singing, RF magic

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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EEVblog 1639 – Keysight InfiniiVision HD3 Oscilloscope Teardown

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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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 …

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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 – …

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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 …

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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 …

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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

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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 …

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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: …

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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 …

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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

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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 …

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