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Support Forum for the IO Pi and IO Pi Plus

The IO Pi Plus from AB Electronics is a digital I/O expansion board designed for the Raspberry Pi. It features 32 digital input/output channels, which are controlled via the I²C bus. The board uses two MCP23017 16-bit I/O expanders, allowing for easy expansion of the Raspberry Pi’s GPIO capabilities.

The board is stackable, meaning multiple boards can be added to a single Raspberry Pi, providing up to 128 I/O ports.

Pi3+, IO+ and OSError: [Errno 121] Remote I/O error

Posted in IO Pi and IO Pi Plus, last reply 15/12/2021

Replies: 1

Physical connectivity advice

Posted in IO Pi and IO Pi Plus, last reply 07/10/2021

Replies: 1

iopipin

Posted in IO Pi and IO Pi Plus, last reply 06/08/2021

Replies: 2

Multiple buttons lighting multiple leds

Posted in IO Pi and IO Pi Plus, last reply 13/05/2021

Replies: 38

Problem with interrupt

Posted in IO Pi and IO Pi Plus, last reply 22/04/2021

Replies: 1

Failed IO Pi Plus

Posted in IO Pi and IO Pi Plus, last reply 06/02/2021

Replies: 5

Can no longer reference an I2C address which isn't present.

Posted in IO Pi and IO Pi Plus, last reply 06/02/2021

Replies: 2

Node-Red

Posted in IO Pi and IO Pi Plus, last reply 23/12/2020

Replies: 13

I2C switch and IO Pi Plus stacked up on a single Raspberry Pi

Posted in IO Pi and IO Pi Plus, last reply 08/12/2020

Replies: 1

C# beginner question

Posted in IO Pi and IO Pi Plus, last reply 28/10/2020

Replies: 1

Module freeze when IO pin is activated repeatedly at small interval

Posted in IO Pi and IO Pi Plus, last reply 23/09/2020

Replies: 4

IO Pi Plus and Codesys

Posted in IO Pi and IO Pi Plus, last reply 20/09/2020

Replies: 4

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