BioAmp EXG Pill
humancomputerintegration·ProtoPCB·Evaluation Files/BioAmp-EXG-Pill/BioAmp-EXG-Pill.kicad_pcb
About the BioAmp EXG Pill PCB
BioAmp EXG Pill is an open source PCB design by humancomputerintegration, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 31 × 13 mm, with 27 components from 18 distinct parts.
Other key parts include the Amp and LOGO_UDLABS. By type, the board carries 14 resistors, 7 capacitors, 2 ICs, 2 connectors and 2 jumpers.
From the project
ProtoPCB Code and Evaluation Files
This repository contains our tests, evaluation files, and software tool (ProtoPCB) presented in the paper "ProtoPCB: Reclaiming Printed Circuit Board E-waste as Prototyping Material", which will appear at CHI2025. This tool was built by Jasmine Lu (@xjasminelu), Sai Rishitha Boddu (@rishiboddu) with project assistance from Pedro Lopes at the University of Chicago's Human Computer Integration Lab.

Main components on the BioAmp EXG Pill
BioAmp EXG Pill bill of materials (BOM)
27 components, 18 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Amp | TSSOP-14_4.4x5mm_P0.65mm | U1 |
| 1 | LOGO_UDLABS | EXG | U2 |
| 1 | BioAmp Output | PinHeader_1x03_P2.54mm_Vertical | J1 |
| 1 | BioAmp Input | PinHeader_1x03_P2.54mm_Vertical | J2 |
| 1 | SolderJumper_2_Open | SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP1 |
| 1 | SolderJumper_3_Open | SolderJumper-3_P1.3mm_Open_RoundedPad1.0x1.5mm | JP2 |
| 1 | 47uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1 |
| 2 | 1nF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C2, C4 |
| 2 | 10uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C3, C7 |
| 1 | BPFC_C | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C5 |
| 1 | 100nF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C6 |
| 1 | 1K | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1 |
| 3 | 220K | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R2, R4, R10 |
| 5 | 1M | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R3, R8, R9, R13, R14 |
| 2 | 22K | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R5, R7 |
| 1 | RG | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R6 |
| 1 | 0R | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R11 |
| 1 | BPFC_R | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R12 |
BioAmp EXG Pill design files
The KiCad project lives in the humancomputerintegration/ProtoPCB repository on GitHub; these links point at the commit this page was built from.
BioAmp EXG Pill: common questions
How big is the BioAmp EXG Pill PCB?
The BioAmp EXG Pill measures 31 × 13 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the BioAmp EXG Pill?
27 components, from 18 distinct parts. The full bill of materials is listed on this page.
Where can I download the BioAmp EXG Pill design files?
From the humancomputerintegration/ProtoPCB repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the BioAmp EXG Pill design in my own project?
Yes, under the terms of its GPL-3.0 license, which humancomputerintegration chose for the repository.
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