HardLabs

Satellite SoM

inoa-io·satellite·electrics/soc-module/soc-module.kicad_pcb

Satellite SoM PCB layout, top view — open source ESP32 board by inoa-io

About the Satellite SoM PCB

Satellite SoM is an open source ESP32 PCB design by inoa-io, published on GitHub under the CERN-OHL-P-2.0 license. It is a 2-layer board measuring 56 × 30.4 mm, with 17 components from 9 distinct parts.

Its main chip is the ESP32-WROVER-IE-16MB, from the ESP32 family. Other key parts include the ATECC608A-SSHDA and DS3231MZ. By type, the board carries 5 capacitors, 5 resistors, 3 ICs, 3 connectors and 1 battery holder.

It belongs with the rf & radio and iot & wireless designs in this gallery.

From the project

Satellite Hardware Project and Documentation

The Inoa Satellite is a lightweight and secure gateway for your fuse box or industrial environment.

Please see our Project Pages for details.

There is a huge amount of IoT gateways out there, but none of these fulfill completely all of our design goals:

Usage in a rough industrial environment Hardware driven security (HSM) Inexpensive hardware to be able to finance a huge fleet of devices Low energy consumption Fuse box casing (DIN rail) Small (2 FE / 36 mm) to allow mounting in existing fuse boxes Extendable design to be future proof Modular design to adapt hardware to use cases and keep…

Satellite SoM, from the project README
From the project README

Main components on the Satellite SoM

ATECC608A-SSHDADS3231MZESP32-WROVER-IE-16MB

Satellite SoM bill of materials (BOM)

17 components, 9 distinct parts.

QtyPartRefs
1
ATECC608A-SSHDA
U1
1
DS3231MZ
U2
1
ESP32-WROVER-IE-16MB
U3
1
Micro_SD
J1
1
West
J2
1
East
J3
1
CR2023
BT1
5
100nF
C1, C2, C3, C4, C5
5
10k
R1, R2, R3, R4, R5

Satellite SoM design files

The KiCad project lives in the inoa-io/satellite repository on GitHub; these links point at the commit this page was built from.

Satellite SoM: common questions

What microcontroller does the Satellite SoM use?

The Satellite SoM is built around the ESP32-WROVER-IE-16MB, from the ESP32 family.

How big is the Satellite SoM PCB?

The Satellite SoM measures 56 × 30.4 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Satellite SoM?

17 components, from 9 distinct parts. The full bill of materials is listed on this page.

Where can I download the Satellite SoM design files?

From the inoa-io/satellite repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Satellite SoM design in my own project?

Yes, under the terms of its CERN-OHL-P-2.0 license, which inoa-io chose for the repository.

Can I test firmware for the Satellite SoM without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP32 firmware against it before you order a PCB.

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