Osaka Univ. Robohan Gaku-Robo 2025 Circuit Board & Motor Driver
STM32-based main board and brushed motor driver developed by Osaka University Robohan circuit team for Gaku-Robo 2025.
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Components
Hardware components
WIZnet - W5500
x 1
Ethernet interface on main board
STMicroelectronics - STM32H563VI
x 1
Main microcontroller for the main board
WIZnet - WIZnet RP2040-HAT-FREERTOS-C
x 1
Project description
1. Project Overview For the Gaku-Robo 2025 “Robo-Basketball” competition, the Osaka University Robohan circuit team developed a two-board control platform that combines high-current motor drive with deterministic Ethernet networking. At the heart of the network layer is WIZnet’s W5500 hard-wired TCP/IP controller, chosen to guarantee real-time packet handling under match-level electromagnetic noise and CPU load. 2. Hardware Architecture Main Control Board • Footprint: 80 mm × 55 mm, four-layer FR-4 • MCU: STM32H563VIT6 (480 MHz Cortex-M33, 2 MB Flash) • Networking: 1 × RJ-45 linked to W5500…
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