IQaudIO PI-DAC+ User Manual

IQaudIO
User Guide v20
This document covers the installation, software configuration and
usage of IQaudIO audio cards for the Raspberry Pi A+, B+, RPi2, Pi-
Zero and Raspberry Pi 3.
If you would like to see additional information within this document please email us at
info@iqaudio.com
IQaudIO'Limited,'Company'No:'09461908'
For those who just need to know what setting should
be applied to /boot/config.txt in order to load the
IQaudIO device drivers —> Just jump to section 9

IQaudIO PI-DAC+ Specifications

General

Brand	IQaudIO
Model	PI-DAC+
Category	Sound Card
Language	English

Summary

IQaudIO User Guide Overview

Quick Start for /boot/config.txt

Jump to section 9 for instructions on configuring /boot/config.txt to load IQaudIO device drivers.

IQaudIO Pi-DAC+ Features and Connection

IQaudIO Pi-DigiAMP+ Features and Power

IQaudIO Pi-AMP+ Amplifier Details

Connecting Pi-DAC+ to Raspberry Pi

Pi-DAC+ Physical Installation

Step-by-step guide for physically connecting the Pi-DAC+ to a Raspberry Pi using spacers and screws.

Connecting Pi-DigiAMP+ to Raspberry Pi

Pi-DigiAMP+ Physical Installation

Guide for physically connecting the Pi-DigiAMP+ to a Raspberry Pi using spacers and screws.

Powering the Pi-DigiAMP+ System

Connecting Speakers and Setting Gain

How to connect speakers to the Pi-DigiAMP+ and select the appropriate output gain setting.

Connecting Pi-AMP+ to Pi-DAC+

Pi-AMP+ to Pi-DAC+ Physical Installation

Steps for physically connecting the Pi-AMP+ to the Pi-DAC+ using spacers and headers.

Powering the Pi-AMP+ System

Connecting Speakers to Pi-AMP+

Building into Pi-CASE+ Enclosure

Pi-CASE+ Assembly Guide

Final Case Assembly Steps

Configuring Raspbian for IQaudIO

DeviceTree Configuration for Sound Support

How to use DeviceTree overlays in Raspbian to enable IQaudIO sound card support.

Disabling Onboard Audio

Verifying IQaudIO Driver Installation

Testing IQaudIO Audio Output

Using Alsamixer for Volume Control

How to use the `alsamixer` utility to adjust volume levels for the IQaudIO sound card.

Volume Control Details and Playback Test

Advanced IQaudIO Troubleshooting

Checking System Modules and Logs

Using `lsmod` and `dmesg` to diagnose issues with IQaudIO sound card modules.

Controlling Amplifier Mute Functions

Software and Hardware Mute Control

Methods for controlling the mute state of Pi-AMP+ and Pi-DigiAMP+ via software or hardware jumpers.

IQaudIO Integration with Linux Distributions

Volumio Configuration

MoodeAudio Configuration

Adding Optional Pin Headers to Pi-DAC+

Adding and Configuring a Rotary Encoder

Rotary Encoder Hardware and Software Setup

Adding an IR Remote Control Sensor

IR Sensor Hardware and Software Setup

Disabling Raspberry Pi On-Board Audio