sp-codes PeerTube

sp-codes PeerTube

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sp-codes PeerTube episodes

  • Cheap DJ mixer cable swap mod - not that easy!

    Replacing a power cable on a cheap DJ mixer I bought at an electronics fleamarket back in 2000s. This was supposed to be easy peasy, lemon squeezy... and SNAP!

    Support me on my Patreon page at https://www.patreon.com/KeritechElectronics

    Instagram - https://www.instagram.com/KeriSzafir
    Hackaday - https://hackaday.io/keritech

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  • Keritech Stream - Fresh Off The Boat... In The Lab - Again! Edition

    Keri Live - again, in the lab... Fresh Off the Boat! With some bench bonanza and regular ragchew.

    Support me on my Patreon page at https://www.patreon.com/KeritechElectronics

    Instagram - https://www.instagram.com/KeriSzafir
    Hackaday - https://hackaday.io/keritech

    #ElectronicsCreators #KeritechElectronics #Live

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  • AC-1 Audio Computer - Overview

    Hardware overview of my AC-1 audio computer.

    It is an embedded system serving three purposes:

    1. Audio equipment power on/off control (locally and through LAN)
    2. Remote sound card for hosts in my LAN
    3. Media library / network attached storage

      4. After some problems with the mode switch and operating system, I redesigned and reworked the control circuitry, and recombobulated the software... Simpler, more reliable and more sensible than before.

      The cloorful light flashes on the HDD enclosure is just holiday lights above my bench. I probably should have turned them off before making this video... Hindsight!

      0:00 Intro

      1:40 Front Panel
      7:20 Back Panel
      8:50 Inside the AC-1 - Module Overview
      11:10 Block Diagram
      12:50 Control Circuit Diagram
      18:20 Wrapping Up

      Find the code at https://github.com/keriszafir/hifipower

      ...and the gallery / project log at https://hackaday.io/project/188842-keritech-ac-1-audio-computer

      Support me on my Patreon page at https://www.patreon.com/KeritechElectronics

      Instagram - https://www.instagram.com/KeriSzafir
      Hackaday - https://hackaday.io/keritech

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    4. Little Red Devil - Remote Control Shenanigans

      A follow-up on the Little Red Devil's remote control problems, and how I solved them. It turned out that a millisecond in code lasted eight milliseconds in the ATTiny45 I used in the project, just because the CLKDIV8 was factory set to on... Microcontroller fuse bit shenanigans.

      Support me on my Patreon page at https://www.patreon.com/KeritechElectronics

      Instagram - https://www.instagram.com/KeriSzafir
      Hackaday - https://hackaday.io/keritech

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    6. Keritech Stream - Back with a Vengeance Edition

      Sickness and life problems? Time to Keri on anyway!

      Support me on my Patreon page at https://www.patreon.com/KeritechElectronics or via PayPal https://paypal.me/keritech

      Instagram - https://www.instagram.com/KeriSzafir
      Hackaday - https://hackaday.io/keritech

      #ElectronicsCreators #Keritech #Electronics

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    8. Unboxing the Soviet Nixie tubes from America

      Got a package from https://www.youtube.com/channel/UCVebYrVZVDOzwlXZje_r6OQ with a bunch of Soviet IN-12B Nixie tubes. What am I gonna do with these? Time will tell... Not a clock!

      Support me on my Patreon page at https://www.patreon.com/KeritechElectronics

      Instagram - https://www.instagram.com/KeriSzafir
      Hackaday - https://hackaday.io/keritech

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    9. You Ain't Gonna Need It! Manual Tape Punch

      It's double byte subscriber count now! And I've got a cool manual tape punch to show you, before I trade it off for some Nixie tube displays to a computer geek who has some old computers that use actual paper tape and will appreciate the thing.

      Support me on my Patreon page at https://www.patreon.com/KeritechElectronics

      Instagram - https://www.instagram.com/KeriSzafir
      Telegram channel - https://t.me/KeritechElectronics

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    10. Fixing the Keritech AC-1 Audio Computer

      A surprise malfunction: the auto-off-on mode switch fell apart on my AC-1 audio computer that I built in 2018-19, around the time when I was moving my lab. This embedded system takes care of switching the power to the main hi-fi equipment (mixer, turntable, RIAA preamp, WS-1 tube amp, CD player, tape deck and tuner), acts as a networked audio interface and a network-attached storage for my digital music collection.

      In the last few days a 3-position switch broke, rendering the unit unable to use. I will have to find a good replacement - in the mean time a workaround has to do. Figuring out which wires do what. Repair successful.

      Support me on my Patreon page at https://www.patreon.com/KeritechElectronics

      Instagram - https://www.instagram.com/KeriSzafir
      Telegram channel - https://t.me/KeritechElectronics

      0 min

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