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The comprehensive GPIO pinout website for the BBC micro:bit


P13: General Purpose Digital IO (SPI1 Clock)

P13 can either be used as a digital GPIO, or as the Clock pin for an SPI bus.

SPI is useful for communicating with external peripherals such as displays, shift registers or APA102-style RGB LEDs.

Part of pinout.xyz. Not affiliated with the Micro:bit Educational Foundation.
Created by Phil Howard & Joshua Lowe.