Raspberry Pi Pico
The original RP2040 microcontroller board, with castellated edges, USB and exposed debug pins in a compact dual-inline format.
Manufacturer library
Exact board pages for widely used TI, ST, Espressif, Arduino, Raspberry Pi and Nordic hardware, linked to the manufacturer’s schematics and design resources.
The original RP2040 microcontroller board, with castellated edges, USB and exposed debug pins in a compact dual-inline format.
The RP2350-based successor to Pico, retaining the familiar form factor while adding more performance, memory and security features.

by klein0r
Ethernet Controller for WS2812 LED Stripes

by h0lad
This is a Meshtastic Solar Node PCB based on the Heltec HT-CT62 and the linear solar charge controller TI BQ25185.

by Neumi
An Arduino shield to test the TMC2209 stepper motion controller by Trinamic.

by BEEMB
Battery Health Monitor A compact device for monitoring the State of Health (SoH) and State of Charge (SoC) of lithium batteries. It uses the BQ27441 fuel gauge IC and BQ24075 charger IC, along with an ATmega328P microcontroller, to provide real-time battery data and display it through LED bars.
by CIRCUITSTATE
Open-Source RP2040 Microcontroller Development Board

by antevens
A Relay PCB with a socket for a Raspberry Pi or Nvidia Jetson to control everything on a boat

by mcer12
Control board and library for BUSE 210 flip dot displays

by mkaiser
PCB with ESP32 and CAN bus. For controlling CAN-devices like heatpumps via ESPHome

by HadesVR
HadesVR Wand controllers to go with your HadesVR headset for your HadesVR setup!

by pol-valero
3D-printed Mars Rover robot inspired by NASA’s Perseverance rover. Built using Raspberry Pi, ESP32, and Arduino boards. It includes a web dashboard and a remote control with a touchscreen for monitoring and control.

by IRNAS
CNC machine control modules with Toslink optical cables

by valletw
ESP32 ATX Power Controller

by newdigate
Hardware Design: 16 channel analog control voltage shield for teensy 4.1; 8ch in / 8ch out; +-10V @ 16bits/sample;

by salehali22
SAL-FC: Open-source Modular STM32H743 Flight Controller

by nf-dj
A controller to pilot UAV/drones via 3G/4G cellular connection.
by bocaletto-luca
Arduino RFID/NFC Cloner & Emulator A turnkey Arduino project to read, clone and (optionally) emulate MIFARE Classic 1K tags or NTAG2xx NFC cards using a PN532 module. Perfect for security research, badge duplication or custom access‐control experiments. By Bocaletto Luca
by BASLQC
A GPLv3 Keyboard Controller created by xwhatit from Geekhack for IBM Model F and Beamspring capacitive keyboards. Archived by the BASLQC on Github.

by KerJoe
Prototype board for RTD2662 display controller
by junglejim8
Maximum Power Point Tracking Solar Charge Controller 100V input, 65amp

by DIYSynthMNL
A multi saturation module with voltage controlled wet/dry mix
by robertklee
Audio Effects Circuit Design & Embedded Systems (STM32F407 microcontroller) Design Project. Goal: with an analog audio input, pitch shift or add echo effect and output to a speaker. Circuit: designed AC level shifting circuit, active bandpass filter, LED matrix display and DAC quantization error smoothing in KiCad; manufactured as a printed circuit board; soldered components and tested PCB. Embedded Systems: FFT to extract frequency domain; NVIC with timer-raised interrupts to service analog sampling, button debouncing, and image display on LED matrix; memory and clock cycle optimizations

by Project-Alpaca
🍌🎹 Capacitive touch slider controller for rhythm games.

by JeyRunner
library to access knx bus for Microcontroller
by ohdsp
Open Hardware DSP Platform - XMOS xCORE200 Platform based DSP and microcontroller PCB design - open source hardware - untested
by sanworks
Open source rodent behavior measurement and control

by dj505
A compact keyboard-style controller for Pump it Up

by LibreSolar
Solar/Wind MPPT charge controller for DIN rail mounting

by AShadyPCB
Silent 25 kHz H-bridge replacement for a whining 24V tunable white/orange LED shelf controller. STM32 + BLE, reverse engineered from the original, with scope and audio FFT documentation.

by PuceBaboon
A PIC18F27J53 based, forced-air circulation controller, written in JALv2.

by LibreSolar
PWM solar charge controller with USB charging port

by kalanda
Reflow Oven Controller for soldering of SMD components based on Arduino.

by openhp
The Service Display is a open source tool, that allows you to connect Valden Heat Pump Controller to get maximum available information from sensors and show it graphically.

by KabukiFlux
JAMMA Xbox360 wired controller for RGBUNTU/PI cheap
by Loewe111
PCB for controlling LED Strips with WLED, made to fit into a DIN Rail Breaker Box

by atoomnetmarc
Schematic, PCB files, firmware and 3d models for creating the IoT12 solder iron temperature controller for T12 compatible tips.

by neggles
ESP32-S2-WROVER/WROOM based CANBUS controller thingy.

by HermiTech-L3C
A bipedal humanoid control system using a Physics-Informed Neural Network (PINN) and Reinforcement Learning (RL) for stability and manipulation tasks. Integrated with ROS for real-time control and FPGA for hardware acceleration, it offers advanced robotic control, ideal for research, education, and practical applications in dynamic environments.
by weirdgyn
Driverino-Shield is an Arduino based simple, low power controller for PM BLDC sensored motors.
by brenocq
High-precision BLDC motor and controller development from scratch (in progress...)

by Alberto0235
USB 3.2 Gen 1 4-port hub based on TI TUSB8044A. 6-layer impedance-controlled PCB with USB-C cold-socket compliance, hardware power sequencing, and no MCU.
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.