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Kevin Mossey

Pilot, tinkerer. He/him. Interested in learning all the things.

United States
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3 Projects
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kevin-mossey
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This user joined on 04/01/2021.

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An arduino based multiplexed, cross-fading IN-14 Nixie tube clock.
Project Owner Contributor

Just Another Nixie Clock

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I made a vintage C64 keyboard into a modern USB keyboard using an RPi Pico.
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Using a RPi 4, a 3d printed case, a fan from adafruit, and a 1TB SSD, I made a low powered home cloud server.
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Raspberry Pi Nextcloud Server

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Documenting my experiments with the FLIR Lepton 3.5 thermal imaging camera.
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3D Printed Micro-Servo Hexapod
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In this project, I will build a desktop-sized MRI that is inexpensive and can be built by anyone.
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Developing a synchronized, flooded mesh network to carry codec2-encoded voice over LoRa
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The development of a dedicated hardware MIDI controller for the Turnado audio FX software plugin.
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A Working Replica of the classic 555 timer made using discrete components
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Use your Android/IoS phone or tablet to control your hardware remotely with the thingSoC ESP32 board
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A tiny board with AEM10941 solar harvesting IC charging a Lithium Ion Capacitor
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The Arduino Nano Quick Project. Develop Everywhere.
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This scope combines the real-time and equivalent-time oscilloscope. It can be accessed via LAN or Wi-Fi, supporting two 250 MSPS channels.
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Using Nixie tubes and 10 TTL/CMOS standard logics, homemade digital clock has been running continuously for three years
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Nixie Clock by TTL/CMOS

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Open Source Hardware for IoT Embedded Applications
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Mitsuru Yamada wrote 05/20/2021 at 02:52 • point

Thank you for liking my project #Nixie Clock by TTL/CMOS ! For my using Nixie own work, I have a video of a Nixie tube frequency counter I made myself about 45 years ago on my YouTube site. https://www.youtube.com/watch?v=dDuc7a1YSXI&t=38s

  Are you sure? yes | no

Kevin Mossey wrote 05/20/2021 at 19:53 • point

Oh that frequency counter is beautiful!  And it's 45 years old?  It's as old as me!  I'm so glad it still runs!  Any idea why it seemed to have trouble above 42MHz?  Is that because the 41MHz is the limit?

  Are you sure? yes | no

Mitsuru Yamada wrote 05/21/2021 at 01:17 • point

Thank you for watching my video. The reason why the frequency limit is 41MHz is because it is the limit of the operating frequency of the SN74H00 and SN74196, the standard logic ICs in the input stage. Current frequency counters on the market use a prescaler IC such as MB507 (Max 1.6GHz) in the first stage to convert the frequency to 1/128 or so before counting. 

  Are you sure? yes | no

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