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2 layersPWMEncoder, the printed circuit board in 3D

The repository for everything related to NU Lunabotics

Copper layers
2
Thickness
1.6 mm
Parts
3
Nets
48
Pads
52
Tracks, vias
0, 0
Routed
Not yet
KiCad
KiCad 8.0 (file 20240108)
Created
23 Oct 2024
Updated
15 Nov 2025

Overview

PWMEncoder is an open-source printed circuit board by geisel-m, from the geisel-m/NULunabotics repository on GitHub. It is a 2-layer board with 3 parts on 48 nets.

It is built around the ATMEGA32U4-AU. Its parts include 2 connectors and 1 IC. It belongs with the AVR (ATmega, ATtiny) boards of this library.

Main components

1

README

README.md

Welcome to the NU Lunabotics Repository! This is the place for all IP for NU Lunabotics.

For Github to commit changes correctly ensure you run: $ git config --global core.fileMode false

To run the repository in a docker container:

  1. Open the project from the ROS folder (important so it can recognize our Dockerfile)
  2. Ctrl + Shift + P
  3. Open and Rebuild Container
  4. $ ./launch_theia.sh to run the website + theia

Parts

3
QtyValueFootprintReferences
2S4B-PH-K-SLFSNFootprints:CONN_S4B-PH-K-S_JSTJ1, J2
1ATMEGA32U4-AUFootprints2:QFP80P1200X1200X120-44NU1

Questions

What parts does the PWMEncoder use?

3 parts, built around the ATMEGA32U4-AU. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the PWMEncoder KiCad files?

From the geisel-m/NULunabotics repository on GitHub, at the commit this page was made from: the board is Electrical/PWMEncoder/PWMEncoder.kicad_pcb and its schematic Electrical/5VConnectorBoard/5VConnectorBoard.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the PWMEncoder design in my own project?

Its repository states no licence, so its author keeps all rights: ask geisel-m before reusing the design.

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