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    EEVblog 1412 – Argon Ion Laser TEARDOWN!

    Dave tears down the 10W Coherent 300C Argon Ion laser. All 42kg, 1.2m and 24kW worth! The App Hour podcast episode: https://theamphour.com/521-outdoor-laser-projection-object-mapping-with-daryl-tewksbury/ Forum: https://www.eevblog.com/forum/blog/eevblog-1412-argon-ion-laser-teardown/ Podcast: Download

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    EEVblog 1411 – Tesla Victoria Big Battery FIRE!

    BREAKING NEWS: The Tesla “Victoria Big Battery” 450MWh battery storage facility at Moorabool in Victoria Australia caught on fire before it was even operational! Forum: https://www.eevblog.com/forum/renewable-energy/australias-biggest-tesla-battery-storage-system-at-moorabool-is-on-fire/

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    EEVblog 1410 – Mailbag

    Mailbag! Froum: https://www.eevblog.com/forum/blog/eevblog-1410-mailbag/ SPOILERS: 00:00 – Dancom RT403B 25W VHF Marine Transceiver teardown. 09:07 – Workbench of the week, Tony Albus: https://www.youtube.com/channel/UCwLPcv2xiA3D9lfGArF58ww TEA: https://www.eevblog.com/forum/testgear/test-equipment-anonymous-(tea)-group-therapy-thread/ 12:36 – Riedon SSA-100 100A Differential Isolated Current Sensor. https://riedon.com/ https://www.digikey.com/en/products/detail/riedon/SSA-100/12149327 22:19 – DODGY! Soviet era mains rechargable torch 27:36 – Jon Newcomb’s Microcontroller Proto Boards ...

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    EEVblog 1409 – The DANGERS of Inductor Back EMF

    A practical demonstration of Lenz’s law and back EMF in an inductive relay coil and how to solve it using a Freewheeling/Flywheel/Flyback/Snubber/Clamp diode. Also the downsides of clamping diodes, and switch arcing supression. Also a look at an AMAZING potential phenomenon you probably haven’t seen before! Actually, two rather cool ...

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    EEVblog 1408 – $5M WiGL Wireless Charging BUSTED!

    WiGL have raised almost 5 MILLION dollars on StartEngine. What’s worse than another wireless charging technology startup? – One that doesn’t really have any original technology and simply uses off the shelf RF energy harvesting chips! This one is just embarrassing. And they want to comepete with Energous, WiTricity, Ossia ...

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