Active Electrode
TallesSantosCUBoulder·EIT-Capstone-Project-2023·PCBs/Active_Electrode/Active_Electrode.kicad_pcb
About the Active Electrode PCB
Active Electrode is an open source PCB design by TallesSantosCUBoulder, published on GitHub under the MIT license. It is a 2-layer board measuring 56.7 × 25.9 mm, with 12 components from 10 distinct parts.
Other key parts include the ADG442BNZ and LF412CN. By type, the board carries 6 capacitors, 2 ICs, 2 connectors and 2 resistors.
From the project
This repository was created for the Electrical Impedance Tomography (EIT) Senior Design Project. The goals of this project were to make open-source hardware and software to reduce the cost of EIT in medical imaging.
This repository was created for the Electrical Impedance Tomography (EIT) Senior Design Project. The goals of this project were to make open-source hardware and software to reduce the cost of EIT in medical imaging.
First Year Team: Diego Sena, Keegan Erickson, Jonathan Keleppinger

Main components on the Active Electrode
Active Electrode bill of materials (BOM)
12 components, 10 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ADG442BNZ | N_16_ADI | U1 |
| 1 | LF412CN | LF412CN | U2 |
| 1 | Conn_01x02 | PinSocket_1x02_P2.54mm_Vertical | J1 |
| 1 | Conn_01x09 | PinSocket_1x09_P2.54mm_Vertical | J2 |
| 1 | 10n | C_Disc_D4.3mm_W1.9mm_P5.00mm | C1 |
| 1 | 10n | C_Disc_D6.0mm_W2.5mm_P5.00mm | C2 |
| 2 | 1µ | CP_Radial_Tantal_D5.5mm_P5.00mm | C7, C9 |
| 1 | 1n | C_Disc_D6.0mm_W2.5mm_P5.00mm | C8 |
| 1 | 1n | C_Disc_D4.3mm_W1.9mm_P5.00mm | C10 |
| 2 | 27 kΩ | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1, R2 |
Active Electrode design files
The KiCad project lives in the TallesSantosCUBoulder/EIT-Capstone-Project-2023 repository on GitHub; these links point at the commit this page was built from.
Active Electrode: common questions
How big is the Active Electrode PCB?
The Active Electrode measures 56.7 × 25.9 mm, has 2 copper layers and is 1.59 mm thick.
How many components are on the Active Electrode?
12 components, from 10 distinct parts. The full bill of materials is listed on this page.
Where can I download the Active Electrode design files?
From the TallesSantosCUBoulder/EIT-Capstone-Project-2023 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Active Electrode design in my own project?
Yes, under the terms of its MIT license, which TallesSantosCUBoulder chose for the repository.
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