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2 layers109.2 × 68.6 mmMicromouse2026PCB, the printed circuit board in 3D

Micromouse2026PCB

PolyEd/MicroMouse1

Poly Ed 2023-2024 MicroMouse Contest Entry

Size
109.2 × 68.6 mm
Copper layers
2
Thickness
1.6 mm
Parts
18
Nets
46
Pads
132
Tracks, vias
2,625, 8
Routed
Yes
KiCad
KiCad 10.0 (file 20260206)
Created
1 Sep 2023
Updated
29 Oct 2026

Overview

Micromouse2026PCB is an open-source printed circuit board by PolyEd, from the PolyEd/MicroMouse repository on GitHub. It is a 2-layer board of 109.2 × 68.6 mm with 18 parts on 46 nets, routed with 2,625 tracks and 8 vias.

It is built around the BNO085. Its parts include 5 ICs, 3 connectors, 2 resistors, 1 diode and 1 switch.

Main components

1

README

README.md

Hello! This is the central readme for the PolyEd MicroMouse Project.
This file is a compilation of general (non-code specific) information relating to the project.

Our inspiration:
The Fastest Maze-Solving Competition On Earth

The conference we will attend:
APEC

Rules:

Important files to read before working with the Arduino code or using it:

Parts

18
QtyValueFootprintReferences
5~Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_VerticalU1, U2, U3, U4, U5
210kResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_HorizontalR1, R2
2~Package_DIP:DIP-8_W7.62mm_SocketMD1, MD2
2~Connector_JST:JST_ZH_B6B-ZR_1x06_P1.50mm_VerticalM1, M2
11N5822Diode_THT:D_DO-201AD_P15.24mm_HorizontalD1
1Arduino_Micro_SocketPCM_arduino-library:Arduino_Micro_SocketA1
1BNO085CustomFootprints:Adafruit_BNO085J3
1Power TerminalTerminalBlock_Phoenix:TerminalBlock_Phoenix_MPT-0,5-2-2.54_1x02_P2.54mm_HorizontalJ1
1PowerSWConnector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_VerticalSW1
1RotaryEncoder_SwitchRotary_Encoder:RotaryEncoder_Alps_EC11E-Switch_Vertical_H20mmRS1
1i2c OLEDCustomFootprints:OLED_0.96_SSD1306_I2CJ2

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Questions

How big is the Micromouse2026PCB PCB?

It measures 109.2 × 68.6 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Micromouse2026PCB use?

18 parts, built around the BNO085. 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 Micromouse2026PCB KiCad files?

From the PolyEd/MicroMouse repository on GitHub, at the commit this page was made from: the board is Micromouse2026PCB/Micromouse2026PCB.kicad_pcb and its schematic Micromouse2/Micromouse.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Micromouse2026PCB design in my own project?

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