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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BUY A RASPBERRY PI
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Raspberry Pi High Quality Camera: http://rptl.io/hqcamera
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READ OUR MAGAZINES
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The MagPi magazine: http://rptl.io/themagpi
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All Raspberry Pi Press magazines: http://rptl.io/raspberrypipress
READ OUR BOOKS
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Code the Classics – Volume 1: http://rptl.io/ctcbook1
Raspberry Pi Camera Guide: http://rptl.io/camerabook
Raspberry Pi Beginner’s Guide: http://rptl.io/guidebook
All Raspberry Pi Press books: http://rptl.io/raspberrypipress
LEARN TO CODE
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Free coding projects: http://rptl.io/rpfprojects
Digital Making at Home: http://rptl.io/dmah
Free online courses: http://rptl.io/rpfcourses
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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Raspberry Pi Foundation: http://rptl.io/rpf
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