HardLabs

Boardopenio

bigbrainlabs·BoatOpenIO·hardware/v1/boardopenio.kicad_pcb

Boardopenio PCB layout, top view — open source board by bigbrainlabs

About the Boardopenio PCB

Boardopenio is an open source PCB design by bigbrainlabs, published on GitHub under the Custom license license. It is a 2-layer board measuring 171.5 × 185.5 mm, with 59 components from 10 distinct parts.

By type, the board carries 17 capacitors and 16 resistors.

It belongs with the sensors, iot & wireless and test & measurement designs in this gallery.

From the project

Universal 16-channel analog marine gateway for boats with legacy VDO sensors. Connects analog instruments to MQTT and Signal K without sensor replacement. ESP32-based, open source, modular mini-board system.

Universal Marine IO System – Open Source, modular, fully configurable

BoatOpenIO is an open hardware platform for sensor integration on boats. Each of the 16 sensor terminals can be freely assigned to any of the up to 16 input channels via software. Pluggable mini-boards handle signal conditioning — no soldering, no rewiring.

Part of the Logbook Without Posing series – Volume 3.

Boardopenio, from the project README
From the project README

Boardopenio bill of materials (BOM)

59 components, 10 distinct parts.

QtyPartRefs
2
Conn_01x02
3.3V, 5V
4
ZC261500
ADS1 (0x48), ADS2 (0x49), ADS3 (0x4A), ADS4 (0x4B)
1
AMS1117CD-3.3
AMS1117 - 3.3V REG
1
CD74HC4067 MUX
CD74HC4067 16:1 MUX
16
Zener 3v3
DZ1, DZ2, DZ3, DZ4, DZ5, DZ6, DZ7, DZ8 +8
1
DOIT_ESP32_DEVKIT_30Pins
ESP32 (ESP32 DevKit V4)
1
MPU6050
MPU6050 (GY-521)
16
Conn_01x03_Pin
C0, C1, C2, C3, C4, C5, C6, C7 +8
1
Screw_Terminal_01x16
C15 - C0
16
1k
R1, R2, R3, R4, R5, R6, R7, R8 +8

Boardopenio design files

The KiCad project lives in the bigbrainlabs/BoatOpenIO repository on GitHub; these links point at the commit this page was built from.

Boardopenio: common questions

How big is the Boardopenio PCB?

The Boardopenio measures 171.5 × 185.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Boardopenio?

59 components, from 10 distinct parts. The full bill of materials is listed on this page.

Where can I download the Boardopenio design files?

From the bigbrainlabs/BoatOpenIO repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Boardopenio 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.

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