Welcome to pin:out

The comprehensive GPIO pinout website for the BBC micro:bit


P15: General Purpose Digital IO (SPI1 MOSI)

P14 can either be used as a digital GPIO, or as the Master-Out-Slave-In 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.