Chords is an open-source toolkit developed by Upside Down Labs to transform Arduino-compatible boards into bio-potential data acquisition devices when paired with BioAmp hardware.
Note
Flash Arduino code to your hardware from the list below to use these tools.
| Board | Voltage | Resolution | SamplingRate | BaudRate | Code |
|---|---|---|---|---|---|
| Arduino GIGA R1 (WiFi) | 3V3 | 16-bit | 500 | 230400 | GIGA-R1.ino |
| Arduino UNO R4 Minima/WiFi | 5V | 14-bit | 500 | 230400 | UNO-R4.ino |
| Arduino UNO R3 | 5V | 10-bit | 250 | 230400 | UNO-R3.ino |
| Raspberry PI Pico | 3V3 | 12-bit | 500 | 230400 | RPI-PICO-RP2040.ino |
| UNO R3 Clone (CH340) | 5V | 10-bit | 250 | 115200 | UNO-CLONE.ino |