HardLabs

WolfieMouse

kbumsik·WolfieMouse·hardware/kicad_wolfiemouse/micromouse.kicad_pcb

WolfieMouse PCB layout, top view — open source STM32 board by kbumsik
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About the WolfieMouse PCB

WolfieMouse is an open source STM32 PCB design by kbumsik, published on GitHub. It is a 2-layer board measuring 100 × 74 mm, with 104 components from 38 distinct parts.

Its main chip is the STM32F446RE_LQFP64, from the STM32 family. Other key parts include the MAX14871, HCMS-2901, MPU-9250, TPS76850 and TPS73633. By type, the board carries 8 transistors, 8 resistors, 7 ICs, 7 LEDs, 4 modules and 4 connectors.

It belongs with the robotics & motion designs in this gallery.

From the project

IEEE Reion 1 Micromouse competition.

WolfieMouse is a robotics project to build a micromouse. This project covers three parts:

Robotics algorithm for maze solving (C++) low-level hardware driver software (C and ARM assembly) Tools to capture and plot robot's sensor data (Python) Embedded hardware design and PCB design (KiCad, an open-source alternative to Altium)

This robot won: The Special Mention Award in 2018 IEEE Region 1 Micromouse Robotics Competition. The 3rd Place Award in 2019 IEEE Region 1 Micromouse Robotics Competition.

WolfieMouse, from the project README
From the project README

Main components on the WolfieMouse

STM32F446RE_LQFP64MAX14871HCMS-2901MPU-9250TPS76850TPS73633

WolfieMouse bill of materials (BOM)

104 components, 38 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
STM32F446RE_LQFP64
STMicroelectronics
U1
2
MAX14871
Maxim Integrated
U2, U3
1
HCMS-2901
Avago (Broadcom company)
U9
1
MPU-9250
InvenSense
U10
1
TPS76850
Texas Instruments
U11
1
TPS73633
Texas Instruments
U12
1
MOTOR_MOUNTS_AND_ENCODERS
M1
1
LEFT_MOTOR
M2
1
2.54MM-SLIDE-SWITCH_TS02_SWITCH
M3
1
RIGHT_MOTOR
M4
4
DMN3150LW
Q1, Q2, Q3, Q4
4
TEFT4300
Q5, Q6, Q7, Q8
2
5_PIN_HEADER
6_PIN_HEADER
CN1, CN2
2
B3B-PH-SM4-TB
JST Sales America Inc.
P1, P2
1
0.1UF
0.1uF
Vishay Vitramon
CNR1
2
10uF
C_3.3V1, C_DIS2
15
0.1uF
C_3.3V2, C_5V2, C_DIS1, C_IMU1, C_IMU3, C_PB1, C_PB2, C_RESET1 +7
2
100uF
C_5V1, C_VBAT1
4
4.7u
C_F1, C_F3, C_F5, C_F7
4
0.1u
C_F2, C_F4, C_F6, C_F8
Show 18 more
QtyPartRefs
1
10nF
C_IMU2
1
220uF
C_M1
2
1uF
C_MOTOR1, C_MOTOR2
1
4.7uF
C_VCAP1
1
2.2uF
C_VCAP2
4
SFH 4545
D_F1, D_F2, D_F3, D_F4
1
10uH
L_BEAD1
8
10k
R_BOOT1, R_IMU1, R_IMU2, R_MOTOR1, R_MOTOR2, R_MOTOR3, R_MOTOR4, R_VOL2
4
47k
R_F1, R_F3, R_F5, R_F7
2
10
R_F2, R_F8
2
20
R_F4, R_F6
4
2.4k
R_F9, R_F10, R_F11, R_F12
3
1k
R_PB1, R_PB2, R_PWR1
1
20k
R_VOL1
3
SWITCH_DPST
C&K Components
SW1, SW2, SW3
7
Led_Small
D_PWR1, LED_BLUE1, LED_BLUE2, LED_GREEN1, LED_RED1, LED_RED2, LED_WHITE1
6
1k
Vishay Dale
R1, R2, R3, R4, R5, R6
2
62.5M
62.5m
Vishay Dale
R13, R14

WolfieMouse design files

The KiCad project lives in the kbumsik/WolfieMouse repository on GitHub; these links point at the commit this page was built from.

WolfieMouse: common questions

What microcontroller does the WolfieMouse use?

The WolfieMouse is built around the STM32F446RE_LQFP64, from the STM32 family.

How big is the WolfieMouse PCB?

The WolfieMouse measures 100 × 74 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the WolfieMouse?

104 components, from 38 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the WolfieMouse design files?

From the kbumsik/WolfieMouse repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the WolfieMouse design in my own project?

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

Can I test firmware for the WolfieMouse without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug STM32 firmware against it before you order a PCB.

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