Power & batteries
Smt Zvs Driver
by hardboiledfrog
a pcb design for a Zero Voltage Switching driver using SMT components
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Download ProtoFlowby hardboiledfrog
a pcb design for a Zero Voltage Switching driver using SMT components
by UzixLS
Converts RGB + Sync analog signal to S-Video (and also Composite).
by NiceCircuits
Various modules from china - schematic reverse engineering etc.
by daveshah1
Tiny LoRa-based GPS tracker for balloon experiments
by schilkp
Various KiCad Footprints and Symbols for various Projects
by galopago
Misistemote is an Open Source, modular ecosystem that uses pre-made PCB to mix and match your choice of processor board. Is oriented to make small, mobile, battery powered electronic projects work in real conditions in a very short time.
by DADDesign-Projects
"Asynchronous SPDIF Mixer" synchronizes and mixes up to three asynchronous S/PDIF streams into a 48 kHz output. Running on an STM32H743 and developed in C++ with CubeIDE, it compensates for drift with interpolation. A custom KiCad-designed PCB hosts this real-time audio processing solution.
by jonblissett
Design for a quadruple current sensing board using the LEM HTFS series current sensors, for 200-800A providing 14-bit digital outputs with optical signalling. Designed for sensing 3-phase and DC-bus current on electric vehicles and tested on a racing electric motorcycle.
by botanicfields
PCB Template of M5Stack Modules and Bases on KiCad with Footprints
by ExTc-aShiSh
PCB designed in KiCad — a 230V AC to 12V DC rectifier with filtering and LED indicator. Includes schematic and PCB layout files.
by mikelawrence
This is a Raspberry Pi B+ HAT that supports four high power LEDs. Main application is an RGB Floodlight.
by rrainey
A replica of the Apollo Guidance Computer DSKY Alarm Indicator panel based on modern tech
by ohdsp
Open Hardware DSP Platform PCM4202 ADC with differential inputs
by AllAboutCircuits
C-BISCUIT is a modular DIY robotic vehicle design based on the Freescale i.MX6 Wandboard and the Robotic Operating System (ROS).
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.