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An open-source DIY guitar tuner.
18 commits 1 branch 0 tags 13 MiB
  • OpenSCAD 72.6%
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Louis Dalibard 555c9f69c6 feat: add CAD drawings
2024-10-31 23:34:06 +01:00
CAD feat: add CAD drawings 2024-10-31 23:34:06 +01:00
Firmware Better oscilloscope responsiveness 2023-06-09 13:00:26 +02:00
Fritzing First commit 2022-06-07 21:50:11 +02:00
Manual First commit 2022-06-07 21:50:11 +02:00
.gitgnore Alpha 1.0.9 2022-11-19 18:33:34 +01:00
.gitmodules Speedup by multi-core! 2023-06-08 22:29:35 +02:00
LICENSE Create LICENSE 2022-06-21 17:52:35 +02:00
README.md Alpha 1.0.9 2022-11-19 18:33:34 +01:00

README.md

pTuna

pTuna

An open-source DIY guitar tuner.

Changelog

 - Alpha 1.0.9:
    - New splash screen
    - New boot animation
    - Slightly better code performance
    - Overclocked processor from 125MHz to 150MHz.
    - Version bump: v1.0.1 -> v1.0.9

BOM (Prices in France as of June 2022)

  • Raspberry Pi Pico (€ 4)
  • SSD1306 OLED Display (€ 1.73)
  • Adafruit PDM MEMS Microphone Breakout (Product ID: 3492) (€ 4.62)
  • CR2032 (Battery holder) (€ 0.50)
  • Toggle switch (€ 0.50)
  • Wires (€ 0.40)

Total: € 11.75 (excluding shipping)

Note: If you are in Paris I'd definitely recommend letmeknow for getting parts. The prices are affordable and the staff lovely!

Building firmware

  • Clone this repo
  • Run this command:

cd ./pTuna/Firmware/final/

  • Edit build.sh to point to your pico SDK folder.

  • Build with:

sh build.sh

Wiring

pTuna Wiring

Schematic

pTuna Schematic