The used a cassette recorder to store the photo and play it back. https://spectrum.ieee.org/first-digital-camera-history?fbclid=IwdGRzaAPVVKFjbGNrA9VS7mV4dG4DYWVtAjExAHNydGMGYXBwX2lkDDM1MDY4NTUzMTcyOAABHmbAC3KQ45zuuvHG-fgR6vTCncLee1hqvshLQ0ImklaCVZqVRjvVEz2FdmeY_aem_eXezm2tGP2Rnsz_HIO7IEQ
Archive for the ‘Digital’ Category:
2025-08-03 Walkie-textie Project
Uses a 12 key keyboard and texts like an old Nokia phone with multiple keypresses. http://www.technoblogy.com/show?2AON&fbclid=IwQ0xDSwL88ShjbGNrAvzr1WV4dG4DYWVtAjExAAEeX19OxuYe1QO8mrox71F6Zl_KCUppukTfJn3iSrHyEVT51xLwOmz2jhPHLKY_aem_is4HJCST113TNXDXWaTXGw
2025-02-01 Morse Code Text Encoder, Translator, Converts Into Audio File.
https://morsecode.world/international/translator.html
2025-01-01 QR Codes Explained, Plus Bar Codes
Derek Veritasium shows us how QR codes work. He pronounces the a in Veritasium like the a in tassel. https://www.facebook.com/reel/2506467346230147?mibextid=9drbnH&s=yWDuG2&fs=e
2024-09-20 Simple 1 Digit Counter, IR Beam Break
This short uses a CD4026, a 7 segment display, 9V battery, some resistors, an IR LED and a CdS photocell or phototransistor. Break the IR beam and the display advances to the next digit. https://www.facebook.com/reel/525596709839365?mibextid=9drbnH
2024-05-16 Delta-Sigma Modulator Using 555 IC And Current Source
This circuit is used for converting an analog signal into a digital pulse stream. Such things as class D audio amplifiers, servo amplifiers, A to D converters, or sending an analog signal across a fiber optic link. The Schematic and explanation here in this webpage. https://lrak.net/wiki/555_Delta-Sigma_Modulator.html The output signal is shown as audio modulated onto
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2024-03-19 Turn Off Facebook Settings
I’m still trying to figure out what good it will do. https://www.facebook.com/reel/1346635789305871?mibextid=9drbnH
2024-01-10 SpaceX Satellite To Satellite Laser Links
SpaceX Reveals 8,000 satellite to satellite laser links. https://www.tesmanian.com/blogs/tesmanian-blog/starlink-video#:~:text=The%20’space%20laser’%20feature%2C,Gateway%20ground%20station%20on%20Earth.
2023-07-07 Tesla Sudden Acceleration Due To Voltage Spikes
This could affect all models. The heavy power could have caused a negative voltage spike that mimics a pressed accelerator. https://www.notebookcheck.net/Sudden-Tesla-acceleration-attributed-to-voltage-spikes-that-may-have-tricked-NHTSA-into-ruling-it-driver-error.732407.0.html
2022-03-12 POTUS Sign Exec. Order Re. Development Of Digital Assets
Quote: << President Biden to Sign Executive Order on Responsible Development of Digital Assets MARCH 09, 2022 STATEMENTS AND RELEASES Outlines First Whole-of-Government Strategy to Protect Consumers, Financial Stability, National Security, and Address Climate Risks >> https://www.whitehouse.gov/briefing-room/statements-releases/2022/03/09/fact-sheet-president-biden-to-sign-executive-order-on-ensuring-responsible-innovation-in-digital-assets/
