ArduinoOfficial resources
Arduino UNO R4 WiFi
The 32-bit Arduino Uno board combining a Renesas RA4M1 MCU with an ESP32-S3 connectivity module and a built-in LED matrix.
R7FA4M1AB3CFM + ESP32-S3-MINI-1
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Download ProtoFlow162 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.
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 32-bit Arduino Uno board combining a Renesas RA4M1 MCU with an ESP32-S3 connectivity module and a built-in LED matrix.
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 wagiminator
T12 Quick Heating Soldering Station
KiCad sourceby mecparts
An ESP8266 based RS232 <-> WiFi modem with Hayes AT style commands and LED indicators
by wagiminator
USB Power Delivery Testing Device and Variable Power Supply
KiCad sourceby sszczep
Cherry MX Breakout Boards with reverse-mounted addressable RGB LED and hot-swap.
by klein0r
WiFi Controller for WS2812 LED Stripes
by tomunderwood99
An open-source PCB map showing Boston's subway system
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.
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.