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John-Nagle/ttyloopdriver

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Hardware device for driving antique Teletype machines

19 mentions on Hacker News by 1 person: 0 stories, 19 comments · first 2016-10-17 · latest 2024-09-11

Mentions per year 19 mentions · busiest year 2018 (3)
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  1. …may shut down a USB port on a laptop or tablet. (This is for USB-A. USB-C is more complicated.) [1] https://github.com/John-Nagle/ttyloopdriver/blob/master/boar... [2] https://www.diodes.com/assets/Datasheets/products_inactive_d...
    comment by Animats · 2024-09-11 · in The magic of DC-DC voltage conversion (2023)
  2. …was needed to pick the values for those, so as to minimize noise in both voltage and current. [1] https://github.com/John-Nagle/ttyloopdriver/blob/master/boar...
    comment by Animats · 2024-09-11 · in The magic of DC-DC voltage conversion (2023)
  3. …slow, the CP2102, is approaching end of life.[2] The CP2102N, the new part, can't go that slow. [1] https://github.com/John-Nagle/ttyloopdriver [2] https://www.silabs.com/documents/public/data-sheets/CP2102-9...
    comment by Animats · 2024-05-11 · in Serial to Parallel Port Converter
  4. …these are better boxes than plastic injection molding, but don't look like consumer products. [1] https://github.com/John-Nagle/ttyloopdriver/raw/master/board... [2] https://www.alibaba.com/product-detail/CHANGHE-electronics-a...
    comment by Animats · 2023-10-09 · in What we learned making a plastic injection mold with a Chinese mold maker
  5. …There are radio hams using this thing, and they report it's not blithering in the RF spectrum. [1] https://github.com/John-Nagle/ttyloopdriver/blob/master/boar...
    comment by Animats · 2023-10-04 · in Eliminating radio interference from Apple charger
  6. …the component values. You're not done until both the current and voltage curves are flat. [1] https://github.com/John-Nagle/ttyloopdriver
    comment by Animats · 2023-04-22 · in The magic of DC-DC voltage conversion
  7. …the switcher control data sheet to get it to work. Some of those paths have to be very short. [1] https://github.com/John-Nagle/ttyloopdriver/tree/master/circ...
    comment by Animats · 2022-12-15 · in A circuit simulator that doesn't look like it was made in 2003
  8. …components match reality well. That's what LTSpice is really about - a good model library. [1] https://github.com/John-Nagle/ttyloopdriver/tree/master/circ...
    comment by Animats · 2022-06-09 · in LTSpice Tutorial
  9. …good switching power supplies have more parts than bad ones. You see that in teardown videos. [1] https://github.com/John-Nagle/ttyloopdriver [2] https://github.com/John-Nagle/ttyloopdriver/blob/master/boar...
    comment by Animats · 2021-12-27 · in Practical Transformer Winding (2010)
  10. …up the whole power problem in a nice little box. Requires surface mount soldering, though. [1] https://github.com/John-Nagle/ttyloopdriver
    comment by Animats · 2020-12-08 · in Connecting an ASR33 Teletype to an ESP32
  11. …traditional linear solution to that problem is about 5% efficient, runs hot, and much larger. [1] https://github.com/John-Nagle/ttyloopdriver
    comment by Animats · 2020-02-10 · in A half century ago, better transistors revolutionized computer power supplies
  12. …repository. This is complex enough to be non-trivial, yet simple enough to be understandable. [1] https://github.com/John-Nagle/ttyloopdriver [2] https://raw.githubusercontent.com/John-Nagle/ttyloopdriver/m... [3]…
    comment by Animats · 2019-04-26 · in How to Read a Schematic
  13. …for one or two very specific machines. That's expensive. [1] https://vimeo.com/124065314 [2] https://github.com/John-Nagle/ttyloopdriver [3] https://github.com/John-Nagle/baudotrss [4] http://www.aetherltd.com/manuals.html
    comment by Animats · 2019-04-17 · in Restoring a Teletype Model 15
  14. …right, they work beautifully. Very high efficiency and low heat. [1] http://www.aetherltd.com [2] https://github.com/John-Nagle/ttyloopdriver [3] https://raw.githubusercontent.com/John-Nagle/ttyloopdriver/m...
    comment by Animats · 2018-09-10 · in Glowing mercury thyratrons: inside a 1940s Teletype switching power supply
  15. …There's enough interest for hobbyists to build it, but not enough for a real production run. [1] https://github.com/John-Nagle/ttyloopdriver (USB interface for old Teletype machines, models from 1910 to 1960).
    comment by Animats · 2018-02-26 · in Tinkering with electronics
  16. …two-plate "cases". If all the connectors are on one edge, it's easier to package the unit. [1] https://github.com/John-Nagle/ttyloopdriver
    comment by Animats · 2018-01-29 · in Easy laser-cut electronics cases for maker boards (2017)
  17. …stuff such as firmware. Unfortunately, the files tend not to have unique suffixes. [1] https://github.com/John-Nagle/ttyloopdriver [2] https://github.com/github/linguist/issues/3812
    comment by Animats · 2017-09-19 · in How to Read a Schematic
  18. …by Horowitz and Hill. [1] https://raw.githubusercontent.com/John-Nagle/ttyloopdriver/m... [2] https://github.com/John-Nagle/ttyloopdriver/blob/master/READ...
    comment by Animats · 2017-09-19 · in How to Read a Schematic
  19. …[2] https://www.maximintegrated.com/en/app-notes/index.mvp/id/22... [3] https://github.com/John-Nagle/ttyloopdriver
    comment by Animats · 2016-10-17 · in A cheap 555-based Geiger counter