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extend I/O Unit

EXT.IO Unit is a GPIO Expander. With simple I2C commands you can have up to 8 GPIOs.

It can be used for a 8 channel relay for example. GPIO pins can be linked by Female to Female Jumper Wire Cable.

Relay Board with 8 channels

Relay Board with 8 channels

 

Female to Female Jumper Wire Cable

Female to Female Jumper Wire Cable

 

Connection type: I2C
Can be connected into: PORT A
Cable type: Grove Universal 4 Pin Cable
URL: Official page