Quantity   Component name
1 × Raspberry Pi 3B+ Main processor in the stompbox. Running PatchboxOS for realtime audio.
1 × Wolfson WM8731 Audio Proto-board Utilizes the WM8731 audio codec chip for enabling audio input and output on the Raspberry Pi. Operate over i2c and SPI.
1 × 3PDT Stomp Switch Three pole double throw stomp switch for true-bypass circuit
2 × Adafruit ADS1015 Analog to Digital Converter breakout boards Two four channel ADC boards are used to take analog input from the effect parameter knobs. Operate over i2c.
1 × Hammond 1590DD Aluminum Enclosure Durable housing for all hardware components.
1 × Buck-boost power supply module 3.3V Rated 3.3v at 3A. Provides voltage regulation for the audio codec and ADC boards.
1 × Buck-boost power supply module 5V Rated 5v @ 3A. Provides voltage regulation for the Raspberry Pi.
4 × 30k Linear Taper Potentiometers These form the effect parameter knobs. Values may range from 10k to 100k, not crucial.
1 × Stereo 1/4" jack Expression pedal input jack.
2 × Mono 1/4" jack Audio input and output jacks.
1 × Power supply barrel connector To connect wall power supply adaptor.