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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 …

Teardown of a professional military grade industrial 4K DLP projector. The build quality and over-engineering is just nuts. This Projection Design F35 WQXGA Projector costs $30k And a look at how Digital Light Processing micromirror devices work under the microscope. Links: https://www.projectorcentral.com/pdf/projector_spec_5408.pdf https://www.projectorcentral.com/pdf/projector_manual_5408.pdf https://www.ti.com/lit/ds/symlink/dlp9000.pdf https://www.ti.com/lit/ml/dlpb010e/dlpb010e.pdf https://www.eenewseurope.com/en/from-projectors-to-heads-up-displays-how-dlp-works/ http://www2.optics.rochester.edu/workgroups/cml/opt307/spr05/john/ Forum: https://www.eevblog.com/forum/blog/eevblog-1546-insane-$30k-4k-panoramic-dlp-projector-teardown/ Podcast …

The world’s fastest oscilloscope, the Rohde & Schwarz MXO4 teardown! Wow, this is an impressive beast in more ways than one. ADC: https://www.ti.com/lit/ds/slvsdr3c/slvsdr3c.pdf FPGA: https://www.digikey.com/en/products/detail/amd-xilinx/XCZU7EG-1FBVB900I/7034695 Photos: Forum: https://www.eevblog.com/forum/blog/eevblog-1545-worlds-fastest-oscilloscope-mxo4-teardown/ Hi-res teardown photos: 00:00 – Rohde & Schwarz MXO4 The world’s fastest oscilloscope 00:55 – The handle doesn’t cut the mustard these …

Let’s BUST the new Platio Solar Pavement installation in the Netherlands using thier OWN production data on launch day! LOL PLUS a Solar Roadways UPDATE! If you find my videos useful you may consider supporting the EEVblog on Patreon 00:00 – Platio Solar Pavement in the Netherlands BUSTED! 02:15 – …

atching up with Steve Sanghi who was Microchip CEO for 31 years, now Executive Chair. Check out his new book, Up and to the Right. How Microchip was built into one of the biggest and most pofitable chip companies in the world. This is copied from The Amp Hour podcast, …