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4 layers69 × 54.7 mmSoftwareDebugPicoHat, the printed circuit board in 3D

A simple breakout board for the Raspberry Pi Pico, designed for S-Band and UHF LORA modules. It also includes exposed gpio pins for connection to other boards within the Samwise avionics stack.

Size
69 × 54.7 mm
Copper layers
4
Thickness
1.6 mm
Parts
13
Nets
46
Pads
111
Tracks, vias
272, 164
Pours
2
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
27 Jan 2026
Updated
28 Feb 2026

Overview

SoftwareDebugPicoHat is an open-source printed circuit board by Rivercraft911, from the Rivercraft911/SoftwareDebugPicoHat repository on GitHub. It is a 4-layer board of 69 × 54.7 mm with 13 parts on 46 nets, routed with 272 tracks and 164 vias.

Its parts include 4 capacitors, 4 connectors, 2 ICs and 1 diode. It belongs with the RP2040 boards of this library.

README

README.md

Software Debug Pico Hat

Board Render

A simple breakout board for the Raspberry Pi Pico, designed for S-Band and UHF LORA modules. It also includes exposed gpio pins for connection to other boards within the Samwise avionics stack.

View Schematic PDF

Power

//type this up later frfr

Pinout

This board connects to a Raspberry Pi Pico and provides the following pinouts:

Raspberry Pi Communication

PinFunctionPico Pin
0RPI_TXGP0
1RPI_RXGP1
2RPI_ENABLEGP2
3RPI_RESETGP3

ACDS Communication

PinFunctionPico Pin
4ACDS_TXGP4
5ACDS_RXGP5

S-Band Module (LORA1280F27-TCXO)

PinFunctionPico Pin
8SBAND_RSTGP8
9SBAND_BUSYGP9
10SBAND_TXENGP10
11SBAND_RXENGP11
12SBAND_MISOGP12
13SBAND_CSGP13
14SBAND_SCKGP14
15SBAND_MOSIGP15
20SBAND_D1GP20

UHF LORA Module (RFM98PW)

PinFunctionPico Pin
16UHF_MISOGP16
17UHF_CSGP17
18UHF_SCKGP18
19UHF_MOSIGP19
20UHF_RSTGP21
28UHF_D0GP28

Miscellaneous

PinFunctionPico Pin
26NEOPIXELGP26
6MISCGP6
7MISCGP7

Parts

13
QtyValueFootprintReferences
30.1uFCapacitor_SMD:C_0603_1608MetricC1, C2, C3
2Conn_Coaxialssi_connector:SMA_Amphenol_901-144_horizontalJ2, J4
110ufCapacitor_SMD:C_0603_1608MetricC4
11655LED_SMD:LED_WS2812B_PLCC4_5.0x5.0mm_P3.2mmD1
135362-0950ssi_connector:Molex_35362-0950J1
1Conn_01x04_PinConnector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_VerticalJ5
1LORA1280F27-TCXOssi_IC:LORA128XF27U3
1RFM98PWssi_IC:RFM98PWU1
1RaspberryPi_PicoModule:RaspberryPi_Pico_Common_THTA1

The 12 most common of 13 parts.

Questions

How big is the SoftwareDebugPicoHat PCB?

It measures 69 × 54.7 mm and has 4 copper layers, 1.6 mm thick.

What parts does the SoftwareDebugPicoHat use?

13 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the SoftwareDebugPicoHat KiCad files?

From the Rivercraft911/SoftwareDebugPicoHat repository on GitHub, at the commit this page was made from: the board is SoftwareDebugPicoHat.kicad_pcb and its schematic SoftwareDebugPicoHat.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the SoftwareDebugPicoHat design in my own project?

Its repository states no licence, so its author keeps all rights: ask Rivercraft911 before reusing the design.

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