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Wojciech Kaczmarski

POLAND • + Follow Edit Project

Engineer

AUSTRIA
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Joshua Murphy

CANADA
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Engineer

UNITED STATES OF AMERICA
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Dragan Spiroski

NORTH MACEDONIA
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KiCAD

Description

SX1255 Raspberry Pi RF shield

A minimalistic, cost-effective Raspberry Pi hotspot. The device supports virtually any amateur radio mode, including TETRA, and covers 400-510MHz range. The baseband interface between the RF chip and RPi is I2S (full duplex). The default sample rate is 125kHz.

The design is, of course, open source and available for free on GitHub.

Need technical help? Let's get in touch: https://m17project.org/contact/

Schematic and Layout

GitHub repository (KiCAD project)

https://github.com/M17-Project/SX1255_HAT-hw

Download Gerbers Download BOM(Bill of materials)

Mar 28,2025

5,137 views

SX1255 Raspberry Pi RF shield

2 Layers PCB 30 x 65 mm FR-4, 1.6 mm, 1, HASL with lead, Green Solder Mask, White silkscreen

Raspberry Pi shield with the SX1255 RF transceiver chip.

5137

7

0

Published: Mar 28,2025

Standard PCB

Download Gerber file 63

BOM(Bill of materials)

Centroid file

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Copyright Info

Attribution-NonCommercial-ShareAlike (CC BY-NC-SA) License

Under the Attribution-NonCommercial-ShareAlike (CC BY-NC-SA) License.

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Topic

DIY Electronics

DIY Radio SDR Raspberry pi

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Engineer May 12,2026
Joshua Murphy Apr 01,2026
Engineer Dec 20,2025
Dragan Spiroski May 06,2025
Engineer Apr 28,2025
Andreas Schmidberger Apr 12,2025
Engineer Mar 30,2025

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SX1255 PMOD RF shield A minimalistic PMOD RF shield featuring the Semtech SX1255 IQ transceiver. The device supports virtu...
CC1200 Raspberry Pi RF shield A simple Raspberry Pi amateur radio hotspot utilizing the CC1200 chip from Texas Instruments. It off...
SX1255 Raspberry Pi RF shield A minimalistic, cost-effective Raspberry Pi hotspot. The device supports virtually any amateur radio...

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