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=u7sV

EEVblog 1604 – BEWARE! Multimeter Burden Voltage

Mar 6th, 2024 6m 23s

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=jx0dryLmUE

EEVblog 1603 – Colas Wattway Solar Roadways is DEAD

Mar 6th, 2024

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, an

EEVblog 1602 – Sony Amplifier REPAIR ADVENTURE

Mar 5th, 2024 44m 51s

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/w

EEVblog 1601 – How VFD (Vacuum Fluorescent) Displays Work

Mar 5th, 2024 10m 6s

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/

EEVblog 1600 – Rouute: Road Based Energy BUSTED

Feb 24th, 2024

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.c

EEVblog 1599 – TOP 5 Jellybean Bipolar Transistors

Feb 24th, 2024

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 – SS80

EEVblog 1598 – ANENG AC11 Socket Tester TEARDOWN + SCHEMATIC Reverse Eng

Feb 12th, 2024 19m 47s

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 wi

EEVblog 1597 – Zoyi ZT-703S $80 2CH 50MHz Oscilloscope/Multimeter Review

Feb 7th, 2024 29m 52s

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:/

EEVblog 1596 – NEW Digilent Analog Discovery Pro ADP2230 TEARDOWN

Feb 1st, 2024 20m 11s

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 – Mys

EEVblog 1595 – 50 Year Chinese Nuclear Diamond Battery!

Jan 28th, 2024 17m 30s

A Chinese startup has developed a tiny 50 year life diamond nuclear battery that’s going to change the world! Yeah, nah. Same old betavoltaic, same old limitations, and same old startup marketing hype. Beijing Betavolt New Energy Technology Co.

EEVblog 1594 – Inside a Quantum Computer! with Andrea Morello

Jan 28th, 2024 1h 34m

An in-depth look at the engineering inside a quantum computer, and also demonstrating the operational results live and how they are measured. With Professor Andrea Morello who is the Scientia Professor of quantum engineering in the School of El

EEVblog 1593 – 16kV ESD Tester REPAIR – Part 2

Jan 28th, 2024 27m 16s

Repairing the Haefely Trench PESD-1600 ESD Tester, plus some testing and discussion of the IEC 61000-4-2 standard. Part 1 teardown: https://www.youtube.com/watch?v=-xtZvSG4N9I Rotary encoder teardown: https://www.youtube.com/watch?v=UgpHZisG1PQ

EEVblog 1592 – Fluke 287 Multimeter Teardown

Jan 11th, 2024 17m 2s

Fluke 287 Multmeter Teardown. HiRes teardown photos: Testing video: https://www.youtube.com/watch?v=FgkD8K0Ssdc Forum: https://www.eevblog.com/forum/blog/eevblog-1592-fluke-287-multimeter-teardown/

EEVblog 1591 – MORE Colas Wattway Solar Cycleways in the Netherlands!

Jan 7th, 2024 22m 22s

Colas Wattway is back with the two 1000sqm solar cycleway installations in the Netherlands! The Dutch are riding their bikes on two new solar cycle paths Just 4 months ago! https://www.youtube.com/watch?v=305EVbcCub4 Forum: https://www.eevblog.

EEVblog 1590 – Cheap $33 Boombox Teardown

Jan 3rd, 2024 19m 50s

Is a modern $33 boombox from Kmart any good? Forum: https://www.eevblog.com/forum/blog/eevblog-1590-cheap-$33-boombox-teardown/

EEVblog 1589 – CCD Scanner Array

Jan 2nd, 2024 14m 31s

A closer look at the scanner array head from the dumpster FAX machine teardown. 00:00 – Linear Scanner Array 04:40 – CCD sensor grouping 08:24 – The optical zebra strip 11:30 – Under the x400 Olympus microscope Forum: https://www.eevblog.com/fo

EEVblog 1588 – Virgin Hyperloop One Goes BUST!

Dec 23rd, 2023

The Elon Musk vision of Hyperloop has come-a-gutsa. Vigin Hyperloop One has gone out of business. Who could have predicted it? And who’s left standing in the Hyperloop world? Forum: https://www.eevblog.com/forum/blog/eevblog-1588-virgin-hyperlo

EEVblog 1587 – Dumpster FAX Teardown

Dec 20th, 2023 19m 44s

Teardown of a Brother FAX machine found in the dumpster, just because. Forum: https://www.eevblog.com/forum/blog/eevblog-1587-dumpster-fax-teardown/

EEVblog 1586 – Stranger Things Decade Resistor Box + Repair

Dec 20th, 2023 16m 8s

A $12 6 decade resistor box, is it any good? And it’s not every day you have to repair a brand new product. https://s.click.aliexpress.com/e/_Ddfe4PL https://s.click.aliexpress.com/e/_DnK2irb DIY Decade box: https://www.youtube.com/watch?v=G-Qf

EEVblog 1585 – SCAM! Portable Kinetic Molecular Heater BUSTED

Dec 20th, 2023

The Portable Kinetic Molecular Heater is an obvious SCAM. We shouldn’t have to look at why, but let’s do it anyway. Forum: https://www.eevblog.com/forum/blog/eevblog-1585-scam!-portable-kinetic-molecular-heater-busted/ 00:00 – Portable Kinetic

EEVblog 1584 – Wireless Freakin’ EV Charging Roads! A $250M Boondoggle

Dec 7th, 2023 29m 45s

The US Department of Transport have authorised a $250M grant program to fund Wireless EV charging roads. A look at the pilot program in Detroit Michigan with the startup company Electreon: https://electreon.com/ 00:00 – Wireless EV road chargin

EEVblog 1583 – Advanced Oscilloscope Triggering: Glitch/Pulse/Runt/Interval

Nov 30th, 2023 22m 19s

A practical demonstration on how to use advanced oscillocope trigger features to trigger on an unsynchronised infrequent runt/glitch pulse. Includes Pulse/Glitch, Runt, Interval, Zone triggering, and infinite persistence display, and waveform u

EEVblog 1582 – FNIRSI DPOX180H 180MHz DPO for $123?

Nov 28th, 2023 27m 29s

A look at the FNIRSI DPOX180H 180MHz Handheld Digital Phosphor Oscilloscope for $123. https://www.aliexpress.com/item/1005005564788266.html https://eevblog.store/products/eevblog-bm036-ac-dc-clamp-meter Forum: https://www.eevblog.com/forum/blog

EEVblog 1581 – Tesla Roadster now OPEN SOURCE?

Nov 28th, 2023

Elon Musk just announced that the Tesla Roadster is now open source! Do we get schematics? Let’s have a look… https://service.tesla.com/roadster Part 2: https://www.youtube.com/watch?v=r7Cw3GVXl44