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More Mailbag! 00:00 – Dave & Dylan open random Mailbag 03:49 – DIY bodged laser engraver 04:14 – MPPT Solar charge controller 04:56 – Mixed bags 06:01 – DLP Projector Mirror Arrays 08:05 – TDA2030A Power Amp 08:39 – Analog/Digital combo watch 12:23 – Solar Panels 13:52 – Engineering Spelling …

More Mailbag! 00:00 – Linus Tech Tips Screwdrivers! https://www.lttstore.com/collections/ratcheting-screwdrivers https://www.lttstore.com/collections/precision-multi-bit-screwdriver 15:30 – Closer look at the screwdrivers 18:52 – Red Light Skin Therapy device 22:31 – Spectrum measurements 27:19 – EZABoard Arduino Learning Kit https://ezaboard.com/ Videos shot on 16mm film! https://odysee.com/@MatthewMulder:d 35:40 – Vintage Tek Museum CurveBug Curve Tracer Debugging …

More amazing Mailbag! 00:00 – BOOK Professional Electronic Design Best Practices, Volume II 06:01 – A Crusty Nautalytics Simple Compass 11:46 – DPS DIN Power Supply Modules https://digitalpowersystems.eu/hdr20/ USB-AC-PD 20:22 – The Book: The Ultimate Guide to Rebuilding a Civilization Forum: https://www.eevblog.com/forum/blog/eevblog-1741-mailbag/ Podcast: Download

More mailbag! 00:00 – Vetus Pars Retro Chip Tester https://retrotroniks.com/product/vetus-pars-retro-chip-tester/ 17:05 – PRP1 2GHz Power Rail probe https://www.eevblog.com/forum/testgear/prp1-low-cost-2ghz-power-rail-probe/ 22:07 – PRP1 Teardown 24:10 – PRP1 Circuit Explanation 27:08 – PRP1 Testing 32:09 – Comparison with Agilent 2GHz Active Probe Forum: https://www.eevblog.com/forum/blog/eevblog-1733-mailbag-2ghz-power-rail-probe-retro-chip-tester/ Podcast: Download