EEVblog

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

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/

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 isn’t actually an Elon Musk …

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

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: You get what you get, …

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 entire home and melt the …

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! 03:18 – The inductive road …

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, and the Rigol DHO800. Forum: …

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-1582-fnirsi-dpox180h-180mhz-dpo-for-$123/

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

More Mailbag! 00:00 – Mailbag Monday time 01:42 – T-88C Analog Multimeter https://s.click.aliexpress.com/e/_DEojyDp 07:26 – Teardown 12:11 – PCB proto boards from Jon Newcomb http://www.jnewcomb.com/ https://www.ebay.co.uk/usr/jon_newcomb 19:02 – 1990 Tandy Catalog from Ant Cross https://www.youtube.com/@ANTandTEC 28:04 – Alcatel S12 Line Test Card

The Nuclear Diamond Battery that made a huge marketing splash back in Aug 2020 and raised $1.2M in funding, NDB Inc and it’s founder Nima Golsharifi is now being sued by the SEC for fraud. No product ever existed, no testing was ever done, and they had no customers. Oopsie! Original Debunking video: https://www.youtube.com/watch?v=uzV_uzSTCTM https://www.ans.org/news/article-5359/sec-files-lawsuit-against-nuclear-battery-startup/ …

A multimeter without any screws? A 1990’s vintage Metrix MX44 multimeter torn down, tested and calibration adjusted. Forum: https://www.eevblog.com/forum/blog/eevblog-1578-the-screwless-multimeter-metrix-mx44-teardown-calibration/

Kathy Joseph from Kathy Loves Physics joins me on The Amp Hour to discuss history and physics and we end up discussing the intricate history of the development of the Cathode Ray Tube. Read Kathy’s Book The Lightning Tamers: https://tinyurl.com/TheLightningTamers https://www.youtube.com/@KathyLovesPhysics Forum: https://www.eevblog.com/forum/blog/eevblog-1577-history-of-cathode-ray-tubes-with-kathy-joseph/

Easy repair and teardown of the rather obscure Tektronix DMM916 Multimeter. Ebay auction: https://www.ebay.com.au/itm/225848873343 Forum: https://www.eevblog.com/forum/blog/eevblog-1576-tektronix-dmm916-multimeter-teardown-(easy)-repair/