RF & wireless
OURS Project
by evanman83
Step-by-step instructions to build a smartphone that is open-source, upgradeable, repairable, and Big Tech free.
901 57GPL-3.0
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Download ProtoFlow312 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.
by evanman83
Step-by-step instructions to build a smartphone that is open-source, upgradeable, repairable, and Big Tech free.
KiCad sourceby OpenDrone-hw
OpenRX open-source ExpressLRS receiver family hub; board sources live in four dedicated hardware repositories.
by tejeez
Synchronized RTL-SDR receivers and direction finding
KiCad sourceby Hydra-Designs
A minimalist 1W LoRA PCB design for Meshtastic-device firmware
by IgrikXD
A compact hardware device for transmitting WSPR messages based on the SI5351 clock generator, using GPS for transmission timing synchronization and automatic QTH locator calculation.
EAGLE sourceby alwynallan
Open RNG based on Modular Entropy Multiplication
EAGLE sourceby duerrfk
Key 2.0 is a Bluetooth IoT Door Lock. It turns a conventional electric door lock into a smart door lock that can be opened using a smartphone without the need for a physical key. Thus, Key20 is the modern version of a physical key, or, as the name suggests, the key version 2.0 for the Internet of Things (IoT) era.
by luciobaiocchi
Offline group-safety mesh for hikers: ESP32 + GPS + LoRa, with a firmware-in-the-loop simulator and 3D replay viewer
EAGLE sourceby jgromes
Universal wireless communication shield for Arduino
by SnapperGPS
Printed circuit board (PCB) design for snapshot GNSS receiver
by GaudiLabs
Open Source Theremin Instrument, Shield PCB and Hardware description
KiCad sourceby 4x1md
AFSK interface for Android smartphones and tablets.
by Tropaion
This is a ZigBee device to collect data from smartmeters using the DLMS/COSEM protocol.
EasyEDA sourceby 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.
KiCad sourceby maelh
Radio frequency prototype boards (based on MegawattKS' design)
KiCad sourceby 4x1md
External bridge SWR meter for Yaesu FT-817ND and other QRP HF transceivers.
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.