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Project ATO / Controller Carrier

pratham-cloud-ctrl·Project-ATO·electronics/stage4/integrated-pcb/boards/controller-carrier/controller_carrier.kicad_pcb

Project ATO / Controller Carrier PCB layout, top view — open source Nordic nRF board by pratham-cloud-ctrl

About the Project ATO / Controller Carrier PCB

Project ATO / Controller Carrier is an open source Nordic nRF PCB design by pratham-cloud-ctrl, published on GitHub under the Custom license license. It is a 4-layer board measuring 155 × 150 mm, with 68 components from 21 distinct parts.

Its main chip is the FANSTEL BT40F / nRF5340, from the Nordic nRF family. Other key parts include the SN74LVC165APWR. By type, the board carries 42 resistors, 14 connectors, 7 capacitors and 5 ICs.

From the project

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

Complete within the bounded digital reference scope — 16 October 2026. All eight genuinely routed native boards pass DRC with zero violations, unconnected items, schematic parity issues or ignored checks. The independent pad/net audit passes 14,273 assertions. The 80-sheet master passes ERC and 9,540 independent electrical-integration assertions.

Start with the board index and explicit launchers. The Stage 4 exit review records what this package establishes and the remaining physical and biological evidence limits.

Main components on the Project ATO / Controller Carrier

FANSTEL BT40F / nRF5340SN74LVC165APWR

Project ATO / Controller Carrier bill of materials (BOM)

68 components, 21 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
FANSTEL BT40F / nRF5340
U80001
4
SN74LVC165APWR
U80010, U80011, U80012, U80013
1
HOST POWER
J80001
1
SWD / TARGET VREF
J80002
1
RESET SHORTING HEADER
J80003
1
RAW MONITOR
J80010
1
ISOLATED RECORDING HOST
J80011
1
SHARED CHARGE ENDPOINT SPI
J80012
1
DOSE / MONITOR REARM
J80013
1
DAC SERIAL
J80014
1
DRIVER REQUEST / POLARITY
J80015
1
ROUTE CANDIDATE / COMMIT
J80016
1
ACTIVE ROUTE READBACK
J80017
1
SUPERVISION CONTROL
J80018
1
NATIVE HEALTH OBSERVATIONS
J80019
1
ISOLATED COMPANION HOST UART
J80020
1
47u X7R 10V
C80001
1
1u X7R 10V
C80002
5
100n X7R 10V
C80003, C80010, C80011, C80012, C80013
1
0R
R80001
Show 1 more
QtyPartRefs
41
10k
R80002, R80100, R80101, R80102, R80103, R80104, R80105, R80106 +33

Project ATO / Controller Carrier 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.

Project ATO / Controller Carrier: common questions

What microcontroller does the Project ATO / Controller Carrier use?

The Project ATO / Controller Carrier is built around the FANSTEL BT40F / nRF5340, from the Nordic nRF family.

How big is the Project ATO / Controller Carrier PCB?

The Project ATO / Controller Carrier measures 155 × 150 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Project ATO / Controller Carrier?

68 components, from 21 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 Project ATO / Controller Carrier 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 Project ATO / Controller Carrier 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.

Can I test firmware for the Project ATO / Controller Carrier without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug Nordic nRF firmware against it before you order a PCB.

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