2 open source boards using the MCP73831-3-OT
Real designs built with the MCP73831-3-OT, from public GitHub projects: a quick way to see how others power, decouple and connect it. Each board comes with its KiCad files, full parts list and a render — and you can simulate its firmware on HardLabs.
RP2040/RP2350Hunter Cat NFC
ElectronicCats
80.7 × 33.5 mm79 parts2LGPL-3.0233
ESP32Base
rmingon
84.3 × 50.8 mm32 parts2LNo license12
The MCP73831-3-OT in open source designs
The gallery holds 2 open source boards using the MCP73831-3-OT from 2 GitHub repositories; a typical one measures about 82.5 × 42.1 mm and carries around 56 components.
100% are two-layer designs, the rest use four layers or more, and 50% carry an open source license.
The most starred is Hunter Cat NFC by ElectronicCats.
Microcontrollers on boards using the MCP73831-3-OT
What boards using the MCP73831-3-OT are built for
MCP73831-3-OT: common questions
Where can I find a MCP73831-3-OT reference design?
Each of the 2 boards on this page is a real design using the MCP73831-3-OT. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
Which microcontrollers do boards using the MCP73831-3-OT use?
Most are built on ESP32 (1) and RP2040/RP2350 (1).
How big is a typical board using the MCP73831-3-OT?
The median is 82.5 × 42.1 mm, and 100% are two-layer designs.
What is the most popular open source board using the MCP73831-3-OT?
By GitHub stars, Hunter Cat NFC by ElectronicCats, with 233 stars.
Can I simulate one of these boards using the MCP73831-3-OT before building it?
Yes. HardLabs turns a board's netlist and BOM into a working simulation, so you can boot and test firmware against it with no hardware on your desk.