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A look at the Deye 5kW Hybrid Solar Inverter and attempted teardown. SUN-5K-SG04LP1-AU Forum: https://www.eevblog.com/forum/blog/eevblog-1610-deye-hybrid-solar-inverter/ Joule Power: https://joulepower.com.au/ Teardown video: https://www.youtube.com/watch?v=UO1lDaIDBo0 Manual: https://www.sunovagroup.com.au/wp-content/uploads/2023/12/SUN-3-6K-SG04LP1-AU-1.pdf Podcast (podcast2): Download
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A lot of texbooks don’t teach Composite Amplifiers, but they are one of the most used circuit configurations to solve real world design poblems where you have multiple conflicting specifications. Opamp Tutorial Playlist: https://www.youtube.com/playlist?list=PLvOlSehNtuHu2FviAaZaiyXwN41G4b1Lf Cascaded Compound Amplifiers: https://www.youtube.com/watch?v=ZvT9hHG17tQ Forum: https://www.eevblog.com/forum/blog/eevblog-1609-composite-amplifier-tutorial-practical-demo/ 00:00 – Composite vs Compound Amplifiers 02:53 – How a …
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More mailbag! 00:00 – Jumperless Breadboard from Architeuthis Flux & WokWi https://www.tindie.com/products/architeuthisflux/jumperless/ https://hackaday.io/project/191238-jumperless/log/222858-getting-started-using-your-jumperless https://wokwi.com/ https://www.digikey.com/en/maker/projects/jumperless/2e62cc88ee6145bc924041dd486de76f https://theamphour.com/599-an-interview-with-uri-shaked-wokwi-com/ 08:42 – Trying the software, it didn’t go so well… 21:20 – Automated probe connection function 22:35 – My old IC Tester project 23:32 – 16TB Hard Drive 25:26 – Modius Headband: Induce sickness …
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Physically vibrating your power supply at a sub harmonic of your PSU switching frequency can potentially lower your system noise. A practical demonstration. AlienTek DP100: https://s.click.aliexpress.com/e/_DeWCLIN Forum: https://www.eevblog.com/forum/blog/eevblog-1607-psu-switching-noise-reduction-via-vibration/ Linked videos: Tesla AI PSU problem: https://www.youtube.com/watch?v=YIbQ3nudCA0 Vibration coherence: https://www.youtube.com/watch?v=uus_cpZiqsU Vibration testing: https://www.youtube.com/watch?v=1Y2L6QLOi-c AlienTek DP100 PSU: https://www.youtube.com/watch?v=Pd6LG7iP2GQ Ceramic Cap Piezeoelectric effect: https://www.youtube.com/watch?v=F2gX-R1k7MM …
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AlienTek DP100 100W USB-C PSU REVIEW https://s.click.aliexpress.com/e/_DeWCLIN PSU Noise measurement: https://www.youtube.com/watch?v=G8Qoj3TpO9A Forum: https://www.eevblog.com/forum/blog/eevblog-1606-$45-alientek-dp100-100w-usb-c-psu-review/ 00:00 – AlienTek DP100 100W USB-C PSU Unboxing 02:43 – Power on and operation 08:57 – User Manual 10:01 – Trying USB-C source 10:44 – Setting Menu 12:00 – uSupply Inception 12:55 – Physical size comparison 13:16 …
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Dave is chasing fart noises in this JBL Charge 3 waterproof speaker. A teardown, and powerup on the bench to find the mysterious fart noises. Will it get repaired, or will the fault do a Harold Holt? Part 2: https://www.youtube.com/watch?v=u7sVGnrf0P0 Forum: https://www.eevblog.com/forum/blog/eevblog-1605-chasing-fart-noises-jbl-charge-3-repair/ 00:00 – JBL Charge 3 Waterproof Speaker Fault …
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Burden Voltage is a BIG trap with Multimeters, don’t get caught out! A short video demonstrating the impact of Burden Voltage / Shunt Resistance on current measurement. Mutlimeter Shunt Tutorial Part1: https://www.youtube.com/watch?v=jx0dryLmUEQ Part 2: https://www.youtube.com/watch?v=xSEYPP5Xsi0 Forum: https://www.eevblog.com/forum/blog/eevblog-1604-beware-multimeter-burden-voltage/ Podcast: Download
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The 1km Colas Wattway Solar Roadway in Normandy in France is finally being scrapped. Press F in the chat. €5M of taxpayer money down the drain. That money could have bought a 5MW commercial solar farm that produced 15 times the output power, and lasted decades longer. Forum: https://www.eevblog.com/forum/blog/eevblog-1603-colas-wattway-solar-roadways-is-dead/ Reference …
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Repair of a Sony HCD-SBT20B Bluetooth Stereo. What it’s like to nail the repair and then, well come-a-gutsa and have to go down the rabbit hole to fix the fix all whilst battling bad design info. How VFD displays work: https://www.youtube.com/watch?v=gZIRPJt69sM Mud run video: https://www.youtube.com/watch?v=yAahT8_P-_E Tektronix autopsy: https://www.youtube.com/watch?v=VZCokbsTwmQ Forum: https://www.eevblog.com/forum/blog/eevblog-1603-sony-amplifier-repair/ …
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How VFD (Vacuum Fluorescent) Displays Work. Extracted from a hacking video #717: https://www.youtube.com/watch?v=clUVEyi_YNM Forum: https://www.eevblog.com/forum/blog/eevblog-1601-how-vfd-(vacuum-fluorescent)-displays-work/ Podcast: Download
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ouute: Road Based Energy! Harvest kinestic energy from cars using speed bumps. Will this decarbonise and save the planet? Do the numbers add up? https://www.rouute.com/road-based-energy Discount Morgan Freeman promo video: https://www.youtube.com/watch?v=uGw2lcTS1gs Introducing Rouute test video: https://www.youtube.com/watch?v=BxnksdL5nx8 https://www.electricaltimes.co.uk/worlds-first-road-based-energy-recovery-system-set-to-launch-to-market-to-help-drive-net-zero-agenda/ https://www.business-live.co.uk/manufacturing/grimsby-start-up-could-generate-26824298 https://www.facebook.com/rouutetechnologies/ Kinetic Energy Calculator: https://www.calculatorsoup.com/calculators/physics/kinetic.php Forum: https://www.eevblog.com/forum/blog/eevblog-1600-rouute-road-based-energy-busted/ 00:00 – Rouute Road Based …
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The TOP 5 Jellybean Bipolar Junction Transistors (BJT) 00:00 – What is a Jellybean Component? 01:30 – Low Power BJT: 2N3904 / 3906, SMD Marking 1A 06:49 – 2N2222 08:52 – BC547 fanboys 09:28 – Medium Power BJT: FMMT617-619 / 717-719 12:27 – SS8050 / 8550 15:08 – High Power …
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Teardown and reverse engineering of the ANENG AC11 Smart Mains Socket Tester + DaveCAD schematic. Forum: https://www.eevblog.com/forum/blog/eevblog-1598-aneng-ac11-socket-tester-teardown-schematic-reverse-eng/ 00:00 – ANENG AC11 Mains socket wiring tester 00:59 – Simple mains passive socket tester with neon bulbs 03:33 – Fluke ST240+ RCD Socket Tester 06:06 – Testing 07:14 – Teardown 10:54 – …
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Looking at the new $80 Zoyi/Zotech ZT703S Dual channel 50MHz 25,000 count 0.05% handheld oscilloscope/multimeter compared to the single channel 10MHz 10,000 count ZT702S ZT-702S review: https://www.youtube.com/watch?v=aUU-PGUnd0E Forum: https://www.eevblog.com/forum/blog/eevblog-1597-zoyi-zt-703s-$80-2ch-50mhz-oscilloscopemultimeter-review/ Hi-Res photos: 00:00 – The new $80 ZT-703S vs the $60 ZT-702S 03:40 – Power on and screen differences 06:25 – …
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Teardown of the UNRELEASED Digilent Analog Discovery Pro ADP2230 It will be released on the 29th Feb 2024 for US$695 Featuring the AvE Widlarizer! Hi-Res photos: Analog Discovery 3 Review: https://www.youtube.com/watch?v=5SbNnaMM1tQ 00:00 – Mystery Mailbag – The Analog Discovery Pro ADP2230 02:24 – Turns out this won’t be released for …
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