REFERENCE DESIGNS

Open hardware, with the files to prove it.

362 published boards whose schematic and layout source is public — KiCad, EAGLE, Altium and EasyEDA projects you can read, fork and build on. Every entry links to the original repository and names its licence.

Boards indexed

362

With a design page

362

KiCad projects

163

Project Hydra Meshtastic Pcb

by Hydra-Designs

A minimalist 1W LoRA PCB design for Meshtastic-device firmware

166 22GPL-3.0

RF & wireless

le Chiff Ble

by MangoIV

A drop-in replacement-PCB for the beautiful le_chiffre

52 6GPL-3.0

RF & wireless

Snappergps Pcb

by SnapperGPS

Printed circuit board (PCB) design for snapshot GNSS receiver

46 4Custom

KiCad source

RF & wireless

KiwiSDR PCB

by mfkiwl

KiCAD PCB files for KiwiSDR project including active antenna and bias tee

46 40No license

KiCad source

RF & wireless

OpenTheremin V3 Shield

by GaudiLabs

Open Source Theremin Instrument, Shield PCB and Hardware description

45 12GPL-3.0

SolarMeshtasticNode board, published by h0lad

KiCad source

RF & wireless

SolarMeshtasticNode

by h0lad

This is a Meshtastic Solar Node PCB based on the Heltec HT-CT62 and the linear solar charge controller TI BQ25185.

38 2CERN-OHL-S-2.0

E07xESP32C5 board, published by b1scuitdev

EasyEDA source

RF & wireless

E07xESP32C5

by b1scuitdev

E07xESP32C5 is a Sub-GHz & ESP32-C5 module for Flipper Zero. It includes an EBYTE E07-433M20S (PA+LNA), microSD slot, UART pads for GPS, 5V output and a 4-layer PCB with solid ground planes for RF performance.

29 6Custom

Radio Frequency Prototype Boards board, published by maelh

KiCad source

RF & wireless

Radio Frequency Prototype Boards

by maelh

Radio frequency prototype boards (based on MegawattKS' design)

28 5BSD-3-Clause

KiCad source

RF & wireless

Qrp Swr Meter

by 4x1md

External bridge SWR meter for Yaesu FT-817ND and other QRP HF transceivers.

23 5MIT

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Repository topics

Every project listed here belongs to its author and is linked to its original repository. Licences are read from the repository metadata and summarised for convenience — check the licence file in the project itself before you manufacture or redistribute a design. ProtoFlow does not host, mirror or verify these files. Index last rebuilt 2026-09-21.

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