由其分销商提供的 M5Stack U041-B 的描述。
Development Boards & Kits - AVR I/O Hub 1 to 6 Expansion Unit (STM32F0)
I/O HUB 1 TO 6 EXPANSION UNIT (M
Family Name = M5Stack / Product Type = I/O Expansion Module / Interfaces = I²C / Interfaces = Grove Interface / Length mm = 48 / Width mm = 24 / Height mm = 12 / Weight g = 6.7