Microcontroller boards
ExpressLRS Hardware
by ExpressLRS
Open-source PCB designs, schematics, and 3D-printable cases for ExpressLRS TX modules and receivers
415 142No license
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Download ProtoFlow37 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 ExpressLRS
Open-source PCB designs, schematics, and 3D-printable cases for ExpressLRS TX modules and receivers
by agamrossen
Open-source acoustic drone detection. It hears the propellers, not the radio, so it works against fibre-optic FPV aircraft that emit no signal at all.
by OpenGammaProject
☢️👁️ Hardware for a hackable DIY gamma-ray spectrometer using a popular NaI(Tl) scintillator, SiPM and a Raspberry Pi Pico.
by MilosRasic98
Open-source device for measuring cardiograpgy signals with a GUI for easier handling and additional software for analyzing the data.
by tjko
Fanpico: Open Source Programmable PWM (PC) Fan Controller
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.