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Double Howland

TallesSantosCUBoulder·EIT-Capstone-Project-2023·PCBs/doubleHowland_PCB/doubleHowland.kicad_pcb

Double Howland PCB layout, top view — open source board by TallesSantosCUBoulder

About the Double Howland PCB

Double Howland is an open source PCB design by TallesSantosCUBoulder, published on GitHub under the MIT license. It is a 2-layer board measuring 61.6 × 51.6 mm, with 34 components from 14 distinct parts.

Other key parts include the AD8066_SOIC. By type, the board carries 11 resistors, 5 connectors and 3 ICs.

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

Double Howland, from the project README
From the project README

Main components on the Double Howland

AD8066_SOIC

Double Howland bill of materials (BOM)

34 components, 14 distinct parts.

QtyPartRefs
2
~
U1, U3
1
AD8066_SOIC
U2
2
1u
Cn1, Cn2
1
Conn_01x05_Pin
J2
1
pout
J3
1
nout
J4
6
1u
Cp1, Cp2, powC1, powC3, powC5, powC7
4
47k
Rp1, Rp2, Rp3, Rp4
1
1k
Rp5
4
1n
powC2, powC4, powC6, powC8
2
10
R1, R2
2
10k
R3, R7
3
1k
R4, R8, Rn5
4
47k
Rn1, Rn2, Rn3, Rn4

Double Howland 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.

Double Howland: common questions

How big is the Double Howland PCB?

The Double Howland measures 61.6 × 51.6 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Double Howland?

34 components, from 14 distinct parts. The full bill of materials is listed on this page.

Where can I download the Double Howland 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 Double Howland design in my own project?

Yes, under the terms of its MIT license, which TallesSantosCUBoulder chose for the repository.

More boards in EIT-Capstone-Project-2023