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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!/

Dave visists the world’s first commercial solar power station in White Cliffs, a small opal mining town in outback Australia. Built in 1981 and using 14 heliostatic tracking 5m diameter dishes, this concentrated thermal solar plant produced 25kW of power using a steam generator. Links: https://en.wikipedia.org/wiki/White_Cliffs_Solar_Power_Station Analysis report: https://eevblog.com/files/sustain_renew_solar_white_cliffs_project_report.pdf Mirror …

A first look at the new Digilent Analog Discovery 3, plus teardown. 00:00 – Unboxing the new Digilent Analog Discovery 3 02:23 – New features 05:00 – The price and comparison with a benchtop scope 06:19 – Teardown and comparison with Analog Discovery 2 10:18 – Nice design touches https://digilent.com/blog/whats-different-with-the-analog-discovery-3/ …

Looking at a Ukrainian Starlink dish PCB that was DESTROYED by shrapnel! https://olegkutkov.me/ https://twitter.com/olegkutkov https://radionavlab.ae.utexas.edu/wp-content/uploads/2023/01/starlink_structure.pdf https://www.theverge.com/2021/11/11/22776563/spacex-starlink-rectangular-dish-router-mounting-internet-satellites https://i.blackhat.com/USA-22/Wednesday/US-22-Wouters-Glitched-On-Earth.pdf https://cdn.intechopen.com/pdfs/37016/InTech-Antenna_designs_with_electromagnetic_band_gap_structures.pdf https://onlinelibrary.wiley.com/doi/epdf/10.4218/etrij.2017-0197 00:00 – Ukrainian Starlink dish PCB that was DESTROYED by shrapnel! 15:18 – Snaptron Solderable tactile PCB Domes https://www.snaptron.com/ Forum: https://www.eevblog.com/forum/blog/eevblog-1551-destroyed-ukrainian-starlink-pcb!-mailbag/

Teardown the new Keysight E36731A Battery Emulator & Profiler https://www.keysight.com/us/en/product/E36731A/battery-emulator-and-profiler.html Forum: https://www.eevblog.com/forum/blog/eevblog-1550-keysight-e36731a-battery-emulator-teardown/ If you find my videos useful you may consider supporting the EEVblog on Patreon: https://www.patreon.com/eevblog Hi-Res Teardown Photos:

In this mailbag we take a look at some teardown artwork, USB power monitors, and a USB rechargeable multimeter. Grid Studios Teardown artwork: https://gridstudio.cc/ FNB58 USB power monitor: https://s.click.aliexpress.com/e/_Dlc6MlJ FNB48P: https://s.click.aliexpress.com/e/_DlifLtx https://ultraonedesign.com/ Fnirsi S1 Multimeter: https://s.click.aliexpress.com/e/_DC2hz2H Forum: https://www.eevblog.com/forum/blog/eevblog-1549-mailbag-teardown-art-usb-power-and-multimeter/ 00:00 – Mailbag 00:31 – Grid Studio Teardown artwork 06:06 – Fnirsi …

The Moon Landing Hoax conspiricy theory BUSTED with Dave’s original proof. Dave does something no one else has done before – compare the original Apollo 17 16mm ascent camera footage to the Lunar Reconnaissance Orbiter (LRO) photos. Will footage from 40 years apart match up to confirm the moon landing? …

Digital logic circuit simplification using Karnaugh Maps. How to use a visual method to solve boolean algebraic equations and truth tables. Part 5 of the digital logic design tutorial series. Playlist: https://www.youtube.com/playlist?list=PLvOlSehNtuHs2LwEdDwTp3n7mxb-MyBbo Forum: https://www.eevblog.com/forum/blog/eevacademy-digital-design-series-part-5-karnaugh-maps/ 00:00 – Part 5 of the digital logic design tutorial series 02:15 – Solving a logic …

Part 3. Tour of the NASA Canberra Deep Space Communications Complex at Tidbinbilla, with Richard Stephenson https://twitter.com/nascom1 Links: GaN solid state amplifier: https://ntrs.nasa.gov/api/citations/20190028651/downloads/20190028651.pdf Deep Space Network information https://descanso.jpl.nasa.gov/monograph/series10/03_Reid_chapt3.pdf https://descanso.jpl.nasa.gov/monograph/series10/04_Reid_chapt4.pdf https://descanso.jpl.nasa.gov/monograph/series10/05_Reid_chapt5.pdf Air exclusion zone: https://www.avsef.gov.au/sites/default/files/2023-03/documents/nsw-act-nat_r430_tidbinilla_increase_in_transmitting_power_0.pdf Maser amplifier: https://ntrs.nasa.gov/api/citations/19940025169/downloads/19940025169.pdf X band uplink: https://ipnpr.jpl.nasa.gov/progress_report/42-87/87O.PDF 34M Beam Waveguide antenna: https://descanso.jpl.nasa.gov/monograph/series4/Mono4_Ch6.pdf https://descanso.jpl.nasa.gov/monograph/series4/Mono4_Ch7.pdf Forum: https://www.eevblog.com/forum/blog/eevblog-1547-contacting-the-voyager-2-space-probe/ 00:00 …

Part 2 – PINGing the Voyager 2 space probe. Inside the control room at the Canberra Deep Space Communications Complex (CDSCC) while receving the Voyager 2 signal after a 30 hour PING time. A detailed look at the receiver control system screens. Follow Richard Stephenson on Twitter: https://twitter.com/nascom1 Forum: https://www.eevblog.com/forum/blog/eevblog-1547-contacting-the-voyager-2-space-probe/ …

How do you contact the Voyager 2 space probe? PART 1: A detailed explanation by Richard Stephenson from the NASA Canberra Deep Space Communications Complex in Canberra on how the 70m DSS-43 dish at the CDSCC is used to still contact the Voyager 2 probe. You can follow Richard on …