EEVblog No Script, No Fear, All Opinion

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 – …

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 …

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., Ltd. https://www.betavolt.tech https://www.betavolt.tech/359485-359485_645066.html https://www.betavolt.tech/cp_531390.html https://newatlas.com/energy/betavolt-diamond-nuclear-battery/ https://www.neimagazine.com/news/newschinas-betavolt-develops-50-year-nuclear-battery-11439320 https://world-nuclear-news.org/Articles/Nuclear-battery-Chinese-firm-aiming-for-mass-mark https://www.chinadaily.com.cn/a/202401/16/WS65a68ff7a3105f21a507c9b7.html https://www.greencarcongress.com/2024/01/20240114-betavolt.html https://www.batterypowertips.com/betavolt-achieves-miniaturization-of-atomic-batteries-with-50-year-autonomy/ https://www.eurasiantimes.com/chinas-nuclear-battery-can-power-mobile-phones/ …

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 Electrical Engineering and Telecommunications at the University of New South Wales, and …

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 Forum: https://www.eevblog.com/forum/blog/eevblog-1593-16kv-esd-tester-repair-part-2/ 00:00 – Repair of the Haefely Trench PESD-1600 tester 01:40 – Special snowflake rotary encoder test 03:15 – Laugh at Dave as he …

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/ Podcast: Download

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.com/forum/blog/eevblog-1591-more-colas-wattway-solar-cycleways-in-the-netherlands!/ Some FAIL articles: https://nos.nl/artikel/2484255-innovatief-zonnefietspad-bij-maartensdijk-levert-bijna-niets-op https://www.dutchnews.nl/2023/07/solar-bike-path-fails-to-meet-electricity-targets-again/ https://www.wattisduurzaam.nl/37168/energie-beleid/utrechts-zonnefietspad-op-koers-voor-40-van-beoogde-opbrengst/ https://www.wattwaybycolas.com/en/references/photos.html https://www.colas.com/en/media/press-releases/commissioning-two-wattway-photovoltaic-cycle-paths-netherlands/ https://s.www.colas.com/cdn/ff/t-EqIdIPRtCiY46vASJDMezejJHibBO8DoRPk9njM5Y/1702047018/public/2023-12/20231211_pr-colas_wattway-in-the-netherlands.pdf Podcast: Download

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

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/forum/blog/eevblog-1589-ccd-scanner-array/ Podcast: Download

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-hyperloop-one-goes-bust/ 00:00 – Virgin Hyperloop has gone BUST! 02:54 – Well, it did actually carry humans. 04:33 – The Hyperloop …

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

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-QfDkgE2qA IET Decade Box: https://www.youtube.com/watch?v=37gYHdY0DAM Genrad Decade Box: https://www.youtube.com/watch?v=fKrvtYS_6fI Forum: https://www.eevblog.com/forum/blog/eevblog-1586-stranger-things-decade-resistor-box/ 00:00 – A $12 Decade Resistor Box? 01:37 – Binding Posts: …

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 Molecular Heater 01:06 – Yep, it’s a scam 03:06 – A look at the ridiculous website claims 06:31 – It can heat your …

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 charging in Detroit 01:15 – $250M funding from the US Department of Transport! …

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 update speed demonstrated and explained. Using the Rohde & Schwarz MXO4, Siglent SDS2154X HD, Keysight 3000T, Tektronix Series 2, …