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.
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.
An STM32 Nucleo-64 board based on the STM32F401RE, with an integrated ST-LINK debugger and Arduino Uno compatible expansion headers.
An STM32F407 discovery board with audio, motion sensing, USB OTG and an integrated ST-LINK debugger for Cortex-M4 development.
Espressif’s classic ESP32 development board with Wi-Fi, Bluetooth, USB-to-UART and breadboard-friendly pin headers.
A compact Wi-Fi and Bluetooth Low Energy development board based on the RISC-V ESP32-C3-MINI-1 module.
A compact ESP32-S3 development board for Wi-Fi, Bluetooth Low Energy, USB and embedded AI experiments.
The 32-bit Arduino Uno board combining a Renesas RA4M1 MCU with an ESP32-S3 connectivity module and a built-in LED matrix.
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.
A multi-protocol nRF52840 development kit for Bluetooth Low Energy, Matter, Thread, Zigbee, NFC and proprietary 2.4 GHz designs.

by GEIGEIGEIST
TOTEM is a 38 keys column-staggered split keyboard. It meant to be used with a SEEED XIAO BLE or RP2040

by mattdibi
Ergonomic split mechanical keyboard

by GEIGEIGEIST
KLOR is 36-42 keys column-staggered split keyboard. It supports a per key RGB matrix, encoders, OLED displays, haptic feedback, audio, a Pixart Paw3204 trackball and four different layouts, through brake off parts.

by tompi
An affordable split 36 keys keyboard

by cheyao
An ECP5 FPGA Dev Board in a Pi Zero form

by pashutk
Split 36-key keyboard

by Hanqaqa
Easily dive into different PCB KiCad designs of the most popular microcontroller devboards

by cardonabits
Haxophone, an electronic musical instrument that resembles a saxophone

by KitSprout
AD 元件庫,AltiumDesigner PCB Library

by Wren6991
Portable games console, designed from scratch: CPU, graphics, PCB, and the kitchen sink
by strangeparts
Flexible circuit board design for adding a headphone jack to an iPhone 7

by raeedcho
a wireless-only split keyboard based on the chocofi

by ExpressLRS
Open-source PCB designs, schematics, and 3D-printable cases for ExpressLRS TX modules and receivers
by kiibohd
PCB and PCB related bits

by peej
5x12 ortholinear through-hole component keyboard PCB for standard 60% cases

by soundmonster
Generated keyboard
by KCORES
OCP Mezzanine card V2.0 to standard PCIe slot adapter design

by cheyao
A low-cost H3 single-board computer capable of running Linux with DDR3

by philippe44
all-in-one audio board, works specially well with LogitechMediaServer

by jibrilsharafi
Smart energy meter capable of monitoring up to 16 channels. Supports MQTT, REST API, Modbus TCP, InfluxDB, AWS IoT Core. Friendly UI and fully open source (PCB, schematics, components, source code)

by db-ok
Split wireless keyboard PCB based on the Sofle Choc keyboard

by visrealm
A replacement for the classic TMS9918A/TMS9929A VDP, powered by a Raspberry Pi Pico

by SMotlaq
An open-source handmade smartwatch. All of the codes, PCBs and schematics are available. ⌚
by CRImier
My KiCad boards. Can't be bothered uploading individually anymore, so here you go.

by tjko
Fanpico: Open Source Programmable PWM (PC) Fan Controller

by nickajeglin
A collection of easy to solder DIY eurorack PCB's

by bluerobotics
Simple, open-source ESC that uses the SimonK firmware.

by jasonsbeer
An Amiga 2000 PCB in the EATX form factor.

by UzixLS
ZX Spectrum CPLD-based clone for rubber case

by murexrobotics
Highly integrated electronics design and printed circuit boards (PCBs) for the MATE ROV Competition. Attempt the impossible.

by siderakb
PMW3360 optical mouse sensor breakout board, support both 3.3V and 1.8V logic

by wagiminator
USB Power Delivery Testing Device and Variable Power Supply
by dbuchwald
DB6502: 65C02 based computer inspired by BE6502
by visrealm
The HBC-56 (65C02/TMS9918A/AY-3-8910 retro computer) fully emulated on a Raspberry Pi Pico

by siderakb
ErgoSNM is a split ergonomic keyboard integrated with trackball, wireless is in beta

by Hydra-Designs
A minimalist 1W LoRA PCB design for Meshtastic-device firmware
by kylemanna
ESP32 Air Quality Sensor with PMSA003 + BME680 and 1.14" LCD

by a-little-wifi
Cooler/cuter riser for Lenovo 8th/9th gen Tiny5 PCs
by Schluggi
ESPHome based all-in-one sensor

by openhp
The Valden Heat Pump controller is a platform to precisely control heat pumps

by polykit
Polyphonic Digitally Controlled Oscillator (DCO) controlled by Raspberry Pi Pico PIO
by gbin
Transform your PC into a Raspberry Pi

by 4pplet
60% Bluetooth PCB using the nRF52840. MX, ALPS and SMK versions.

by mohoyt
Lagom is an easy to build 65% keyboard using a discrete microcontroller and only through hole components

by mattvenn
Reference design for Lattice ECP5 FPGA. Featuring Raspberry Pi interface and 6 PMODs

by Cupcakus
Apple II Mini for C.H.I.P

by camrbuss
Super thin split PCB keyboard using rp2040 chips running Rust
by gsuberland
Script for extracting stackup templates from JLCPCB and turning them into Altium and KiCAD stackup files
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.