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Micromouse3.0

prashantbhandary·MicroMouse-LineMaze·Esp32/micromouseEsp32_v1_PCB/micromouse3.0.kicad_pcb

Micromouse3.0 PCB layout, top view — open source ESP32 board by prashantbhandary

About the Micromouse3.0 PCB

Micromouse3.0 is an open source ESP32 PCB design by prashantbhandary, published on GitHub. It is a 2-layer board measuring 72.5 × 73.9 mm, with 25 components from 19 distinct parts.

Its main chip is the ESP32-WROOM-32E-N8R2, from the ESP32 family. Other key parts include the LM7805_TO220, L293D and AMS1117-3.3. By type, the board carries 6 connectors, 6 capacitors, 4 ICs, 4 resistors, 2 switches and 1 diode.

It belongs with the robotics & motion, iot & wireless and sensors designs in this gallery.

From the project

Meshmerize MicroMouse Project

Our MicroMouse has proven its excellence in prestigious robotics competitions:

- 🥇 1st Place - Locus, Pulchowk Campus - 🥈 2nd Place - Delta 5.0, Dharan IOE - 🏅 5th Place - Techfest, IIT Bombay 2024

- 🎯 Project Overview - ✨ Key Features - 🔧 Hardware Versions - 💻 Software Architecture - 🚀 Getting Started - 📁 Repository Structure - 🛠️ Installation & Setup - 🎮 Usage Instructions - 🧠 Algorithms & Control Systems - 📷 Project Gallery - 🤝 Contributing - 📄 License

Micromouse3.0, from the project README
From the project README

Main components on the Micromouse3.0

LM7805_TO220ESP32-WROOM-32E-N8R2L293DAMS1117-3.3

Micromouse3.0 bill of materials (BOM)

25 components, 19 distinct parts.

QtyPartRefs
1
LM7805_TO220
U1
1
ESP32-WROOM-32E-N8R2
U2
1
L293D
U3
1
AMS1117-3.3
U6
2
B2B-XH-A (LF)(SN)
CN2, CN3
1
Conn_01x11_Pin
J2
1
Conn_01x08_Pin
J3
1
~
P1
1
~
cn1
1
FPC-05F-12PH20
FPC1
1
FPC-05F-20PH20
FPC2
2
SW_Push
SW1, SW2
1
LED
D1
2
100nF
C1, C5
2
33pF
C2, C6
2
10uF
C3, C4
1
R
R1
2
10K
R2, R3
1
10R
R4

Micromouse3.0 design files

The KiCad project lives in the prashantbhandary/MicroMouse-LineMaze repository on GitHub; these links point at the commit this page was built from.

Micromouse3.0: common questions

What microcontroller does the Micromouse3.0 use?

The Micromouse3.0 is built around the ESP32-WROOM-32E-N8R2, from the ESP32 family.

How big is the Micromouse3.0 PCB?

The Micromouse3.0 measures 72.5 × 73.9 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Micromouse3.0?

25 components, from 19 distinct parts. The full bill of materials is listed on this page.

Where can I download the Micromouse3.0 design files?

From the prashantbhandary/MicroMouse-LineMaze repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Micromouse3.0 design in my own project?

The repository has no license, so all rights stay with prashantbhandary. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Micromouse3.0 without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP32 firmware against it before you order a PCB.

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