M5Stack PaHUB I2C HUB
Introduction:
PaHUB, an I2C GROVE PORTA extender, can expand a single I2C GROBE interface to six channels, and allow slave devices with the same I2C address to be mounted.
The internal TCA9548A-I2C multiplexer is equipped with 8 bidirectional switches which can be controlled by I2C bus. The serial clock/serial data (SCL /SDA) uplink pair can be expanded to 8 downlink pairs or channels. According to the contents of the programmable control register, any single SCn /SDn channel or channel combination can be selected.
Multi-layer Unit nesting is supported, which means that you can connect PaHUB to PaHUB to obtain more I2C slave device interfaces. (For example, if 7 Units are connected, 36 I2C interfaces will be obtained, and only one GROVE port is occupied in the master control.) When your project needs to mount multiple I2C devices or there is I2C address conflict, PaHUB Unit is a good solution.
The I2C address of this Unit is 0x77 (which can be changed by adjusting the resistor).
Note: Please pay attention to the channel sequence when programming.
Characteristics:
- I2C GROVE PORTA Extension
- 2x LEGO compatible holes
- Allow multiple nesting
- 1-6 expansion
Part List:
PaHUB Unit x1
Grove line x1
Code:
- Communication type - I2C
- Address - 0x77
- Comments(0)
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