EK-TM4C123GXL Tiva C LaunchPad
An 80 MHz Arm Cortex-M4F LaunchPad built around the TM4C123GH6PM, with USB device and host support plus BoosterPack headers.
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.
An 80 MHz Arm Cortex-M4F LaunchPad built around the TM4C123GH6PM, with USB device and host support plus BoosterPack headers.
An 80 MHz Arm Cortex-M0+ development kit for the MSPM0G3507 with on-board debug, sensors and high speed ADC demonstration circuitry.
A sub-1 GHz SimpleLink wireless MCU development kit built around the CC1310 for low power sensing and long range radio designs.
A multi-band SimpleLink development kit for the CC1352P wireless MCU, including sub-1 GHz and 2.4 GHz radios with an integrated power amplifier.
A compact ESP32-S3 development board for Wi-Fi, Bluetooth Low Energy, USB and embedded AI experiments.

by Alhadis
Syntax highlighting for various PCB (Printed Circuit Board) formats.
by JLCPCB
This guide has the basic requirments to place a SMT Assembly order with some tips on how to fix the misplacement and orientation of SMD parts

by upsidedownlabs
Texas Instrument MSP430G2553 based development board.

by hkzlab
This board converts CGA/EGA/MDA/Hercules TTL signals into analog RGB signals that can be fed into a compatible monitor

by bitshiftcrazy
An open hardware electronic D20 PCB with capacitive touch, animated rolls, attunement, and a slightly suspicious personality.
by jrowberg
Open-source hardware design files for SectorFej products and projects
by DAI-Maker-Lab
An open source sonar stream gauge designed to give early warning of flood conditions to residents in vulnerable areas.

by aKaReZa75
This project is an Arduino shield with a 7-segment display. The board includes a 7-segment display, push buttons, and an Oled display.

by esden
Small breadboard friendly STM32 (eventually other mcu's too) eval boards with exposed JTAG and SWD for the use with Black Magic Probe!

by mcer12
CM4 based replacement motherboard for PSX (PS1 Slim), featuring USB-C, HDMI, wifi, working front panel dualshock ports and even working DVD drive.

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

by Scottapotamas
USB Type C charger for laptops or phones, that uses generic DC inputs as the source.

by rniwase
Nintendo Gameboy cartridge-shaped FPGA development board
by UnaClocker
Low cost DIY open source MegaSquirt derivative.
by spacelab-ufsc
Components libraries, project templates and other PCB related files

by nitsky
150 ksps oscilloscope with edge triggering with the ATMega328

by steelpuxnastik
DIY-friendly photointerrupter microswitch/lamp holder 2-in-1 for generic 100mm Chinese arcade buttons. Enables an OBSA-LHSXF+OBSA-100UMQ-like setup at low cost with generic parts.
by YousifAhmedAbdEl-Fattah
The aim of this project is to design and implement an Irreversible Boost Converter as an educational model for understanding the core principles of asynchronous (non-isolated)

by hardboiledfrog
a pcb design for a Zero Voltage Switching driver using SMT components
by chilly23
Compact USB-C development board concept built around the Microchip ATSAMD11D14A, developed by UI.

by FutureSharks
This is the Arduino code, PCB layouts and 3D drawings for a HiFi passive preamplifier
by UzixLS
Converts RGB + Sync analog signal to S-Video (and also Composite).
by NiceCircuits
Various modules from china - schematic reverse engineering etc.

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 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 xyzroe
Zigbee adapter for 16 relays board using CC2652, with 4 isolated digital inputs, 4 direct pins, DS18B20 on board and CH340 for flashing using USB.

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 hkzlab
This 8-bit ISA board will provide 4 serial RS232 ports using a single 16C554 controller. 2 ports are exposed on an external bracket and 2 are on internal headers.

by mikelawrence
This is a Raspberry Pi B+ HAT that supports four high power LEDs. Main application is an RGB Floodlight.
by Ricardosgeral
Open redesign of an acquisition system for laboratory tests on internal erosion in soils

by SMotlaq
A custom Altium Designer library that I created over 5 years. It includes custom footprints and schematic symbols for various components. 🛠📐
by patsaoglou
Headphone Amplifier project featuring the NE5532 OP-Amp and a powerful Class AB output stage
by bocaletto-luca
This document describes the design, simulation, PCB layout, and testing procedures for a two-stage wideband RF gain block amplifier covering 0.1 to 50 MHz. The amplifier delivers 24 dB gain, a noise figure below 3 dB, and unconditional stability while operating from a single 5 V supply. All component values, footprints, and layout guidelines are...
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.