EEVblog No Script, No Fear, All Opinion

Does the $1200 IONA Tech StatIQ wireless ESD monitor band actually work? or is it just BS? And if so, how does it work? IONA Tech video: https://www.youtube.com/watch?v=c2Uzo5qL4JM Wiresless ESD strap BUSTED: https://www.youtube.com/watch?v=nvgW5iWXbts ESD Explained: https://www.youtube.com/watch?v=Uk5F3rQNUkU ESD Playlist: https://www.youtube.com/playlist?list=PLvOlSehNtuHsKCtJJ_rlRP5qE7lN-1EMX Mud Run: https://www.youtube.com/watch?v=yAahT8_P-_E DIY Field Mill project: https://www.youtube.com/watch?v=aTncxhQp9z0 Forum: https://www.eevblog.com/forum/blog/eevblog-1567-wireless-esd-monitor-the-iona-statiq-band-tested/ 00:00 …

Has the new Rigol DHO800 and DHO900 oscilloscope changed the game in low end scopes? Starts at $299 with 12bit ADC, HDMI, VESA mount, and USB-C power. Teardown: https://www.youtube.com/watch?v=KQF4UzLPpr0 Fan upgrade test: https://www.youtube.com/watch?v=zoyaHOqp9gI DIY Battery: https://www.youtube.com/watch?v=MbBq1AVIQAc Forum: https://www.eevblog.com/forum/testgear/rigols-new-dho800-oscilloscope-unbox-teardown/ 00:00 – History of game changing Rigol Oscilloscopes 03:27 – All the …

A tour of one of the electronics teaching labs and the makerspace at arguably the best electronics engineering university in Australia, UNSW. With Associate Professor Torsten Lehmann. Forum: https://www.eevblog.com/forum/blog/university-of-nsw-electronics-lab-makerspace-tour/ 00:00 – A tour of the UNSW electronic lab with Torsten Lehmann 02:57 – Why they chose the R&S RTB2000 oscilloscope …

A very interesting repair of an Agilent/Keysight U1273AX OLED display multimeter. It had two distinct unrelated faults. Ian Scott Johnston on The Amp Hour: https://theamphour.com/643-calibration-repair-with-ian-johnston/ Forum: https://www.eevblog.com/forum/blog/eevblog-1564-agilentkeysight-u1273ax-multimeter-repair/ 00:00 – Faulty Agilent / Keysight U1273AX OLED display multimeter 01:36 – Battery leakage, OF COURSE! 04:26 – Bottom of PCB 05:47 – …

Teardown of the new $389 12bit Rigol DHO800 oscilloscope! Forum: https://www.eevblog.com/forum/blog/eevblog-1563-new-$389-12bit-rigol-dho800-scope-teardown/ EXCLUSIVE Unboxing and first impressions video: https://www.eevblog.com/2023/09/01/website-exclusive-rigol-hdo800-oscilloscope-unboxing/ HDO1000 Teardown: https://www.youtube.com/watch?v=qEpkVa_ysaw HDO4000 Teardown: https://www.youtube.com/watch?v=W1Jl0rMRGSg Teardown photos: 00:00 – Rigol’s NEW $389 DHO800 12 bit Oscilloscope! 02:43 – USB-C Powered 03:19 – Teardown of the Small Sparrow, and the DHO900 06:39 …

The Rigol DHO800 might very well be a revolution in the entry level oscilloscope market. 12bit, touch screen, HDMI, VESA mount, USB-C powered starting from from US$329 This is NUTS! And it’s super cute. Are 8 bit scopes DEAD?

Teardown of THE 1980’s Boombox / Ghetto Blaster, the iconic Sharp GF-7600 That boombox from the iconic scene with John Cusak in Say Anything playing Peter Gabriel’s In Your Eyes Unboxing: https://www.youtube.com/watch?v=381wHMamsYQ Sony Walkman teardown: https://www.youtube.com/watch?v=a0B4CWfYE8I Forum: https://www.eevblog.com/forum/blog/eevblog-1562-the-1980s-boombox-teardown-sharp-gf-7600/ TEARDOWN PHOTOS: Podcast: Download

Part 21 of the uSupply USB power supply design. An update on where the project got to and why. A look at the working unit, PCB and schematic. Design series Playlist: https://www.youtube.com/playlist?list=PLE37A0E6F75C37452 Forum: https://www.eevblog.com/forum/blog/eevblog-1561-usupply-usb-power-supply-part-20/ Podcast: Download

Tech Tip: How to use you Arbitrary Waveform Generator as a High Resolution DC Voltage Source! Siglent teardown: https://www.youtube.com/watch?v=Ijb_SzJ9Fs0 Forum: https://www.eevblog.com/forum/blog/eevblog-1560-tip-use-your-arb-gen-as-a-high-resolution-dc-voltage-source!/ Podcast: Download

Dave answers a Twitter question: How should I design a PCB trace to carry 80A of current, and can this be done on one PCB layer? The answer is, well, complicated. Let’s go down the PCB design rabbit hole of current rating PCB traces. Designing a PCB trace for 70-80A. …

More random mailbag! PocketFrog: https://standardmeasurement.us/ Omnifixo Maker’s Third Hand: https://kandaelectronics.com.au/products/omnifixo-of-m4-makers-third-hand NASA Red Crew: https://www.nasa.gov/feature/artemis-red-crew-team-helps-enable-successful-launch/ https://caberqu.com/ https://github.com/DanInvents/Rockit/ 00:00 – Mailbag 00:42 – PocketFrog USB Lab in your pocket 22:40 – Omnifixo OF-M4 Magnetic PCB Holder 28:32 – NASA Artemis 1 Red Crew – Billy Cairns 30:36 – Caberqu C2C USB-C Cable …

Review of the new Micsig SigOFIT Optical Fibre oscilloscope probe, including a practical demonstation of the incredible CMRR range of opticallly isolated probing of a 300V GaN transistor driver circuit. And a direct comparison with the HVP-70 high voltage differential probe to show you the incredible game changing difference optical …

To everyones shock, a SolaRoad cycleway installation in Maartensdijk in Utrecht province of the Netherlands only produed 26% of it’s projected output, AGAIN! When will this nonsense stop? Links: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.wattisduurzaam.nl/16140/energie-opwekken/7-veelbelovende-innovaties-die-de-transitie-geen-steek-verder-helpen/ https://twitter.com/WattisDuurzaam/status/1525171198052782090 https://www.businessinsider.com/worlds-first-solar-road-turned-out-colossal-failure-2019-8 https://www.archpaper.com/2015/07/bike-path-pieces-skeptics-dismiss-dutch-solar-bike-path-solaroad-inefficient-cash-grab/ Solar roadways BUSTED Playlist: https://www.youtube.com/playlist?list=PLzET2ZHWnFA-6fnJu8WAhKmIruWDp8CQr Forum: https://www.eevblog.com/forum/blog/eevblog-1556-solaroad-solar-cycleway-fails-again!/ Podcast: Download

Has a Korean quantum research group cracked the holy grail of physics, an ambient temperature and pressure superconductor that will win them a Nobel prize and change humanity forever? Probably not. Dave completely busts the demo video of their LK-99 material with a pracitcal lab example, it’s such an embarrassing …

A teardown of a very interesting bit of optometry kit, a Shin Nippon NVISION K-5001 RefKeratometer (Auto Refractor Keratometer). It can measure the curvature of your cornea, and well as refractive error to diagnose near and far sightedness. Links: https://www.rexxam.co.jp/themes/eye-care/products/images/nvk5001/NvisionK5001.pdf https://www.academia.edu/59315264/Clinical_Evaluation_of_the_Shin_Nippon_NVision_K_5001_Grand_Seiko_WR_5100K_Autorefractor https://www.opticsforhire.com/blog/keratometer-optical-design/ Manual: https://www.yumpu.com/en/document/read/25018677/english-manual Forum: https://www.eevblog.com/forum/blog/eevblog-1554-optometrist-autorefractor-keratometer-teardown!/