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Helix grounding

CARC-Program·helix-grounding·tests/fixtures/sensor_board.net

This repository ships a schematic but no board layout.
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About the Helix grounding PCB

Helix grounding is an open source STM32 PCB design by CARC-Program, published on GitHub under the MIT license. It is a board, with 6 components from 5 distinct parts.

Its main chip is the STM32F401RET6, from the STM32 family. Other key parts include the BME280. By type, the board carries 2 ICs, 2 resistors, 1 connector and 1 capacitor.

It belongs with the sensors designs in this gallery.

From the project

Catch the numbers an AI made up, without asking another AI

Catch the numbers an AI made up, without asking another AI.

A language model states a figure that isn't in its source data. In anything touching money, specifications, or deadlines, that is not a quality issue. It is a liability.

The usual defence is to check the output with another model: LLM-as-judge, semantic entailment, embedding similarity. All three are probabilistic, all three cost an inference call, and all three can be wrong themselves.

Main components on the Helix grounding

STM32F401RET6BME280

Helix grounding bill of materials (BOM)

6 components, 5 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
STM32F401RET6
STM32L476RGT6
STMicroelectronics
U1
1
BME280
Bosch
U2
1
USB_C
Amphenol
J1
1
GRM188R71C104KA01D
100nF
Murata
C1
2
RC0603FR-0710KL
4.7k
Yageo
R1, R2

Helix grounding design files

The KiCad project lives in the CARC-Program/helix-grounding repository on GitHub; these links point at the commit this page was built from.

Helix grounding: common questions

What microcontroller does the Helix grounding use?

The Helix grounding is built around the STM32F401RET6, from the STM32 family.

How many components are on the Helix grounding?

6 components, from 5 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 Helix grounding design files?

From the CARC-Program/helix-grounding repository on GitHub, which has a netlist and the BOM; the links under Design files point to each one.

Can I use the Helix grounding design in my own project?

Yes, under the terms of its MIT license, which CARC-Program chose for the repository.

Can I test firmware for the Helix grounding without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug STM32 firmware against it before you order a PCB.

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