2 open source boards using the MCP7940N-xP
Real designs built with the MCP7940N-xP, 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.
AVR/ArduinoOtterX
RetroRemake
170.1 × 170.1 mm168 parts4LCERN-OHL-W-2.040
ESP32Childradio
philippbrechel
119 × 47.5 mm108 parts2LNo license0
The MCP7940N-xP in open source designs
The gallery holds 2 open source boards using the MCP7940N-xP from 2 GitHub repositories; a typical one measures about 144.6 × 108.8 mm and carries around 138 components.
50% are two-layer designs, the rest use four layers or more, and 50% carry an open source license.
The most starred is OtterX by RetroRemake.
Microcontrollers on boards using the MCP7940N-xP
What boards using the MCP7940N-xP are built for
MCP7940N-xP: common questions
Where can I find a MCP7940N-xP reference design?
Each of the 2 boards on this page is a real design using the MCP7940N-xP. 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 MCP7940N-xP use?
Most are built on AVR/Arduino (1) and ESP32 (1).
How big is a typical board using the MCP7940N-xP?
The median is 144.6 × 108.8 mm, and 50% are two-layer designs.
What is the most popular open source board using the MCP7940N-xP?
By GitHub stars, OtterX by RetroRemake, with 40 stars.
Can I simulate one of these boards using the MCP7940N-xP 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.