Hardware Pinout Overview

Introduction

Non USB hardware consumes GPIOs on the raspberry pi pin head. Some hardware can be flexibly assigned to different pin (e.g. buttons), but other hardware (e.g. RFID reader, audio DAC) need special functionality, which is only available at certain pins.

This sections only deals with non-USB hardware.

GPIO	Pin	RFID (SPI)	Audio DAC I2S	Hifiberry MiniAmp	Hifiberry DAC Light, Zero	any HAT
2	3			I2C	I2C	I2C
3	5			I2C	I2C	I2C
8	24	SDA
9	21	SCK
10	19	MOSI
11	23	MISO
16	36			Mute	free
18	12		BCK	BCK	BCK
19	35		LRCK	LRCK	LRCK
20	38		MCLK Only if DAC has own NO clock!	MCLK	MCLK
21	40		Data	Data	Data
25	22	RST other GPIO possible
26	37			Shutdown

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Phoniebox is a contactless jukebox for the Raspberry Pi, playing audio files, playlists, podcasts, web streams and spotify triggered by RFID cards. All plug and play via USB, no soldering iron needed. Update: if you must, it now also features a howto for adding GPIO buttons controls.

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