Teensy 4.0 600MHz ARM Cortex M-7 MCU - ideal for digital MCU based theremin?

Posted: 9/8/2021 5:49:00 AM
andreyrogatkin

Joined: 1/27/2021

Hi, Buggins! Please check your private messages. I can't get in touch with you . 

Posted: 9/15/2021 7:11:37 PM
Buggins

From: Theremin Motherland

Joined: 3/16/2017

Created teensytheremin organization and theremin project on github.

Will put all schematics and firmware there.


Created github pages site with description of project - for documentation, build instructions, etc.

Posted: 10/16/2021 3:55:23 AM
Buggins

From: Theremin Motherland

Joined: 3/16/2017

Project pages updated

Published Teensy 4.1 Theremin Main Board KiCAD project and schematics in PDF

Published Teensy 4.1 Theremin Display and Controls Board KiCAD project and schematics in PDF

Previous LT1711 comparator based oscillator is unstable (starts oscillating at high frequency) when hand touches antenna.

New candidate for oscillator is described in this post


TODO: BOM and soldering instructions

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