| Part ID | Description | Value | Source | Link |
| Main Board | Pi-Stomp Circuit board | Version 1.0.1 | TFS | |
| R1, R2 | MIDI Resistors | 220 Ohm 1/4W | Mouser | https://www.mouser.com/ProductDetail/TE-Connectivity-Neohm/LR0204F220R?qs=%2Fha2pyFaduj70gdpyvFU3ecRVtTMomx0hXJHGZH%252BFgNm4ivu31wd8A%3D%3D |
| R3, R4, R6, R7, R8 | Encoder & Footswitch pullup resistors | 33k 1/6W | Mouser | https://www.mouser.com/ProductDetail/Yageo/CFR-12JR-52-33K?qs=%2Fha2pyFaduicYmUoDqcqU7D9uIURgJBQwNsry7m3GblN7%2FayQ0o6PJAK%252BBweSPSQ |
| R5,12,14 | Current limit (Exp Pedal, White/Blue LED's) | 33 Ohm 1/6W | Mouser | https://www.mouser.com/ProductDetail/Yageo/CFR-12JR-52-33R?qs=%2Fha2pyFaduicYmUoDqcqU7D9uIURgJBQDGm7rfYRuwKMNaAQrH7R7kpZ5yNBB9Of |
| R9, R10, R11 | Footswitch series resistor | 1k 1/4W | Mouser | https://www.mouser.com/ProductDetail/KOA-Speer/MFS1-4DCT52R1001F?qs=%2Fha2pyFaduj7RnmAuHPVMuRpJYf2TaE%252BgtFXAT5sVmkUFO%252Bn808ptQ%3D%3D |
| R13 | Current Limit Green LED (higher than White/Blue) | 390 Ohm 1/4W | Mouser | https://www.mouser.com/ProductDetail/KOA-Speer/MFS1-4DCT52R3900F?qs=%2Fha2pyFaduj9W4HwzAkxq7MssbFWlr7H85h5mmmRbGkbS4dH49rIGLU7pW4yedNn |
| R15, R16 | Audio Filter | 86.6 Ohm 1/4W | Mouser | https://www.mouser.com/ProductDetail/KOA-Speer/MFS1-4DCT52R86R6F?qs=sJjjjplDs9v748zltBxsXg%3D%3D |
| D1 | MIDI Diode | 1N4148 | Mouser | https://www.mouser.com/ProductDetail/ON-Semiconductor-Fairchild/1N4148?qs=sGAEpiMZZMtoHjESLttvkoBU6cp6%252BZs9oaGbBohzXiI%3D |
| C1-5 | Debounce and Audio Filter Caps | 0.1uF / 25v Film | Mouser | https://www.mouser.com/ProductDetail/WIMA/MKS2C031001A00MC00?qs=sGAEpiMZZMv1cc3ydrPrF7l45uRd9dVhNfY7Wl9Nn4A%3D |
| C6 | Supply Filter Cap | 220uF / 25v Electrolytic | Mouser | https://www.mouser.com/ProductDetail/Nichicon/UFW1E221MPD?qs=sGAEpiMZZMtZ1n0r9vR22e0BBN1kF1oiDCEpu3IqvL8%3D |
| Q1, Q2 | Relay driver transistor N-Chan MOSFET | 2N7000 | Mouser | https://www.mouser.com/ProductDetail/ON-Semiconductor/2N7000?qs=FOlmdCx%252BAA2o%2FKZOTk%2F3hg%3D%3D |
| U1 | DIN Midi darlington isolator | 6N138 | Mouser | https://www.mouser.com/ProductDetail/Lite-On/6N138?qs=sGAEpiMZZMtd3yBnp8bAgJVeHfvx%252B1RWBVbqVNDa5yU%3D |
| U2 | ADC for analog controls | MCP3008 | Mouser | https://www.mouser.com/ProductDetail/Microchip-Technology/MCP3008-I-P?qs=sGAEpiMZZMvTvDTV69d2Qm2vjLepl4EnaMdqVThrZKg%3D |
| Rly1, Rly2 | Bypass Relays DPDT | TQ2-L2-3V | Mouser | https://www.mouser.com/ProductDetail/769-TQ2-L2-3V |
| H1, H2 | Audio board I/O Header | 3-pin female | Mouser | https://www.mouser.com/ProductDetail/200-SLW10301TS |
| H3 | Audio board GPIO Header - PREINSTALLED | 2×20 short female | N/A | |
| H4, H5 | Main board audio I/O Header | 3-pin male | Mouser | https://www.mouser.com/ProductDetail/?qs=d9fIA1aNikRAvd6m1950OA%3D%3D |
| H6, H9 | Main board Audio & LCD Header | 2×20-pin male | Mouser | https://www.mouser.com/ProductDetail/SparkFun/PRT-14275?qs=YCa%2FAAYMW01SLG%2FRsDUFug%3D%3D |
| H7 | Pi Header | 2×20 tall female | Mouser | https://www.mouser.com/ProductDetail/Adafruit/2222?qs=sGAEpiMZZMu%252BmKbOcEVhFQfi8wYXkauJQr%252BpDv1VP6mm5DxBQT7C7A%3D%3D |
| H8 | Footswitch/LED header | 2×6 Male 90 degree | Mouser | https://www.mouser.com/ProductDetail/Molex/90122-0126?qs=sGAEpiMZZMs%252BGHln7q6pm8NDWwBzqQCN%2Fy9%2F%2F175q3w%3D |
| H10 | Power Header | 2-pin male molex | TFS | |
| P1 | Volume Pot | 10k dual-gang audio taper | Mouser | https://www.mouser.com/ProductDetail/688-RK09L12D0A1T |
| P2 | Tweak Pot | 10k linear taper | Mouser | https://www.mouser.com/ProductDetail/688-RK09L1140A2U |
| Enc1-2 | Rotary Encoder | 12 detent quadrature | Mouser | https://www.mouser.com/ProductDetail/652-PEC11R4315FS0012 |
| J1 | TRS Jack for Expression Pedal | 3.5mm (1/8“) | Mouser | https://www.mouser.com/ProductDetail/490-SJ1-3534NG |
| J2 | Midi Jack | 5-pin | TFS (until Mouser restocks) | https://www.mouser.com/ProductDetail/Adafruit/1134?qs=%2Fha2pyFadujqK9AZ8Eg%2FcT0SQyM4nKeC519ky%2FLRS8k%3D |
| J3-6 | Input/Ouput Jacks | 1/4” Mono | Mouser | https://www.mouser.com/ProductDetail/550-12202 |
| J7 | Power Jack (DC barrel) | 6.3/2.35mm (not std 9v jack) | Mouser | https://www.mouser.com/ProductDetail/693-4840.221 |
| SW4 | Power Switch (SPST with lugs) | Round Rocker | Mouser | https://www.mouser.com/ProductDetail/612-RR111C1121 |
| SW1-3 | Footswitches | SPST momentary NO | TFS/GPP | https://guitarpedalparts.com/products/spst-momentary-soft-touch-foot-switch |
| W1-3 | Footswitch Wire (made from 4 female/female jumpers) | 2-conductor w/ female header | TFS | |
| W4 | Power connector/wire | 2-conductor w/ Molex | TFS | |
| LED1-3 | Footsw LED rings (color assumes corresponding resistor) | White/Green/Blue | TFS/GPP | https://guitarpedalparts.com/products/12mm-led-ring-white |
| Audio Board | Audio Injector Zero board | | TFS/Amazon | https://www.amazon.com/Audio-Injector-Zero-sound-Raspberry/dp/B075V1VNDD/ref=sr_1_2?hvadid=77927926849507&hvbmt=bb&hvdev=c&hvqmt=p&keywords=audio+injector&qid=1581915201&sr=8-2 |
| LCD | Pimoroni GFX Hat | | Mouser | https://www.mouser.com/ProductDetail/Pimoroni/PIM400?qs=%2Fha2pyFadujCVEaY%2FXmJjFfeHWxI0cpOfcW7Lkk%252B1X0%3D |
| Pi | Raspberry Pi Model 3 A+ | | Mouser | https://www.mouser.com/ProductDetail/Raspberry-Pi/RPI3-MODAP?qs=sGAEpiMZZMspCjQQiuQ1fFTDrDpp2YD1MLfuWZRzWHn0HIOY0Khvtg%3D%3D |
| HW1-4 | Nylon screw | M2.5 | TFS | |
| HW5, 6, 7 | Nylon standoff for Audio Board & LCD | M2.5, 8mm tall | TFS | |
| HW8, 9 | Nylon standoff (female on one end, male thread on other) | M2.5, 10mm with male thread | TFS | |
| HW10 | Nylon standoff for Pi | M2.5, 10mm tall | TFS | |
| HW11 | Nylon washer for Pi | M2.5, 1mm thick | TFS | |
| Disk | Micro SD Card | 8+GB, Class 10 preferred | TFS | |
| Enclosure | Drilled 1590DD | | TFS | |
| K1, K2 | Volume and Tweak Knobs | With Pointer | TFS/GPP | https://guitarpedalparts.com/collections/knobs/products/small-pointer-knob-black |
| K3, K4 | Encoder Knobs | Plain | TFS/GPP | https://guitarpedalparts.com/collections/1-4-round-shaft-knobs/products/small-pointer-knob-black-no-indicator |
| PS | Power Supply 5v/2A | 6.3/2.35mm center positive | Mouser | https://www.mouser.com/ProductDetail/675-TE10A0503C01 (US blades) For IEC receptacle use: https://www.mouser.com/ProductDetail/Condor-SL-Power/TE10A0503F01?qs=sGAEpiMZZMvasLKgtn5bIV5CeZWKG5kBy9JNu5qyTa63Z7bOZ8SZiQ%3D%3D |
