8 open source boards using the MCP73831-2-MC
Real designs built with the MCP73831-2-MC, 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.
ESP32Oniondao badge
OnionDAO-git
76.6 × 141.1 mm116 parts2LNo license16
ESP32Solana badge
spacemandev-git
77.6 × 116.3 mm81 parts2LNo license2
Nexus
HashirX-ux
133.5 × 86 mm70 parts2LMIT2
ESP32Mk oniondao badge
majeedkhori
76.6 × 141.1 mm116 parts2LNo license0
Air780eg cellular modem board
manhoosbilli1
30.2 × 27 mm62 parts2LNo license0
ESP32Esp32-bluetooth erm accel dongle faulty
23.3 × 28.4 mm50 parts4LNo license0
ESP32Esp32-dongle v0-1-ceramic antenna
11 × 50.8 mm47 parts4LNo license0
Daron necklace bottom board
20 × 20 mm42 parts2LNo license0
The MCP73831-2-MC in open source designs
The gallery holds 8 open source boards using the MCP73831-2-MC from 8 GitHub repositories; a typical one measures about 53.4 × 68.4 mm and carries around 66 components.
75% are two-layer designs, the rest use four layers or more, and 13% carry an open source license.
The most starred is Oniondao badge by OnionDAO-git.
Parts used alongside the MCP73831-2-MC
Microcontrollers on boards using the MCP73831-2-MC
What boards using the MCP73831-2-MC are built for
MCP73831-2-MC: common questions
Where can I find a MCP73831-2-MC reference design?
Each of the 8 boards on this page is a real design using the MCP73831-2-MC. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
What parts are used alongside the MCP73831-2-MC?
The CH340C, DRV2605LDGS, ME6211C33M5, TCA9534 and ATECC608B-SSHDA appear in the most repositories here.
Which microcontrollers do boards using the MCP73831-2-MC use?
Most are built on ESP32 (5).
How big is a typical board using the MCP73831-2-MC?
The median is 53.4 × 68.4 mm, and 75% are two-layer designs.
What is the most popular open source board using the MCP73831-2-MC?
By GitHub stars, Oniondao badge by OnionDAO-git, with 16 stars.
Can I simulate one of these boards using the MCP73831-2-MC 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.