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Ato reference

pratham-cloud-ctrl·Project-ATO·electronics/ato_reference.kicad_pcb

Ato reference PCB layout, top view — open source board by pratham-cloud-ctrl

About the Ato reference PCB

Ato reference is an open source PCB design by pratham-cloud-ctrl, published on GitHub under the Custom license license. It is a 2-layer board measuring 80 × 50 mm, with 33 components from 20 distinct parts.

Other key parts include the OPA2333AID and 74HC4053D. By type, the board carries 15 resistors, 8 capacitors, 5 connectors, 3 ICs and 2 transistors.

From the project

A digital spinal cord-computer interface concept: research, eight KiCad boards, nRF5340 firmware and FreeCAD assemblies.

An editable, routed 5 V artificial-signal / electrical-test-load circuit. It is one recording channel and one fixed-current biphasic load channel. It is not implant electronics and contains no populated ADC, processor or biological interface.

Open atoreference.kicadpro in KiCad 10.0.6 or later. Local symbols, footprints and component STEP models accompany the project. The 80 x 50 x 1.6 mm board has four 3.2 mm mounting holes at (10,10), (70,10), (10,40), (70,40).

Main components on the Ato reference

OPA2333AID74HC4053D

Ato reference bill of materials (BOM)

33 components, 20 distinct parts — part numbers from the project's BOM.

QtyPartRefs
2
OPA2333AID
U1, U2
1
74HC4053D
U3
2
2N7002
Q1, Q2
1
5V INPUT
J1
1
ARTIFICIAL IN
J2
1
ANALOG OUT
J3
1
5V LOGIC
J4
1
DUMMY LOAD
J5
1
1u
C1
1
47n
C2
2
10u
C3, C8
4
100n
C4, C5, C6, C7
3
10k
R1, R6, R7
1
1M
R2
4
1k
R3, R5, R10, R11
1
20k
R4
1
49.9k
R8
1
1.02k
R9
2
100k
R12, R13
2
12k
R14, R15

Ato reference design files

The KiCad project lives in the pratham-cloud-ctrl/Project-ATO repository on GitHub; these links point at the commit this page was built from.

Ato reference: common questions

How big is the Ato reference PCB?

The Ato reference measures 80 × 50 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Ato reference?

33 components, from 20 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Ato reference design files?

From the pratham-cloud-ctrl/Project-ATO repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Ato reference design in my own project?

It is published under Custom license, which limits how it may be reused; read the license before building on it.

More boards in Project-ATO