M5Stack Pa.HUB I2C Grove expansion hub 1-to-6 based on STM32F0. Resolves address conflicts and supports cascading for complex projects.
The M5Stack Pa.HUB is an I2C expansion hub that splits a single Grove I2C port into up to six independent ports. This module resolves address conflicts by allowing multiple slave devices sharing the same I2C address to be connected simultaneously.
At its core, the device uses an STM320 microcontroller with bidirectional translation switches controllable via the I2C bus. The module supports cascading (nesting): you can connect multiple Pa.HUB units together to significantly expand the number of available ports, making it easier to manage complex projects requiring many I2C peripherals.
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