HardLabs

Communications Module

Safecast·Solarcast·gateway-module/kicad/gateway-module.kicad_pcb

Communications Module layout, top view — open source Raspberry Pi board by Safecast

About the Communications Module

Communications Module is an open source Raspberry Pi PCB design by Safecast, published on GitHub under the Custom license license. It is a 2-layer board measuring 33.6 × 65.2 mm, with 22 components from 12 distinct parts.

Its main chip is the RaspberryPi, from the Raspberry Pi family. Other key parts include the small_i2c_oled, RN2483, TPS79133 and BME280. By type, the board carries 8 capacitors, 5 ICs, 5 resistors, 2 connectors and 2 diodes.

It belongs with the sensors, power & battery and rf & radio designs in this gallery.

From the project

Safecast Solarcast sensor device

RN2483 module Connect UART (RX,TX,RTS,CTS) LED on GPIO RaspberryPi Connect UART (RX,TX,RTS,CTS) Connect I2C * Connect an LED to GPIO

Communications Module, from the project README
From the project README

Main components on the Communications Module

small_i2c_oledRaspberryPiRN2483TPS79133BME280

Communications Module bill of materials (BOM)

22 components, 12 distinct parts.

QtyPartRefs
1
small_i2c_oled
U1
1
RaspberryPi
U2
1
RN2483
U3
1
TPS79133
U4
1
BME280
U5
2
SMA
P1, P2
2
LED
D1, D2
5
100nF
C1, C2, C3, C5, C6
2
10uF
C4, C8
1
10nF
C7
2
1K
R1, R5
3
10K
R2, R3, R4

Communications Module design files

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

Communications Module: common questions

What microcontroller does the Communications Module use?

The Communications Module is built around the RaspberryPi, from the Raspberry Pi family.

How big is the Communications Module?

The Communications Module measures 33.6 × 65.2 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Communications Module?

22 components, from 12 distinct parts. The full bill of materials is listed on this page.

Where can I download the Communications Module design files?

From the Safecast/Solarcast repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Communications Module 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 Communications Module without the hardware?

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

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