Microcontroller chips, like our own RP2040 on Raspberry Pi Pico, offer hardware support for protocols such as SPI and I2C. This allows them to send and receive data to and from supported peripherals.

But what happens when you want to use unsupported tech or multiple SPI devices? That’s where Programmable I/O, or PIO, comes in. PIO was developed just for RP2040 and is unique to the chip.

Learn more: http://rptl.io/rp2040-get-started

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Looking for kid-friendly projects, educator-led seminars, and information about our non-profit work? Check out the Raspberry Pi Foundation YouTube channel: http://rptl.io/rpfyt

BUY A RASPBERRY PI
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Raspberry Pi Pico: http://rptl.io/pico
Raspberry Pi 4: http://rptl.io/raspberrypi4
Raspberry Pi 400: http://rptl.io/400
All Raspberry Pi products: http://rptl.io/products
Raspberry Pi Store, Cambridge: http://rptl.io/cambridge

READ OUR BOOKS & MAGAZINES
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The MagPi magazine: http://rptl.io/themagpi
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Custom PC: http://rptl.io/custompc
Raspberry Pi Press online store: http://rptl.io/raspberrypipress

GET HELP WITH YOUR RASPBERRY PI
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Getting started with your Raspberry Pi: http://rptl.io/gettingstarted
Raspberry Pi Help Guides: http://rptl.io/help
Raspberry Pi Forums: http://rptl.io/forums
Technical documentation: http://rptl.io/techdocs

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SUPPORT RASPBERRY PI FOUNDATION
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Free coding projects: http://rptl.io/rpfprojects
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