Digital I/O for Raspberry Pi Selection Guide

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Updated: 12/19/2023

Now you can safely and reliably sense and switch industrial-level electrical loads with your Raspberry Pi® and Opto 22 industrially hardened digital I/O.

This Selection Guide describes compatible I/O racks and modules, power supplies, and accessories that work with the Raspberry Pi and the Digital I/O Carrier Board for the Pi (OPTO-P1-40P). Specifications, dimensional drawings, and wiring diagrams for racks and I/O modules are included.

For code samples and steps to get started, also see