Nordic Star Products NRD24V1 manual User Guide Application board, Audio interface

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User Guide

3.2Application board

The nRF24L01-VHR1 application board contains all peripherals necessary to build a complete audio mod- ule from the nRF24L01-VHR1 radio module.

6

1

2

3

4

5

1

Radio module

7

P3 external power

2

Linear regulator

8

Batteries

3

Jumpers

9

Switches 7 and 8

4

Audio interface

10

ISP programming

5

Jumpers

11

Buttons

6

Switch 6

 

 

Figure 6. Application board components

3.2.1Audio interface

7

8

9

10

11

This module can be used to set up a wireless audio link, for example, from a PC to a headset. The radio module is the same for both sides of the link, but needs some external components to interface with either the PC audio connections, or a microphone/loudspeaker for a headset.

Revision 1.0

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Contents Headset Reference Design nRD24V1 User Guide Life support applications disclaimer User GuideLiability disclaimer Contact detailsContents Introduction System Description USBLED Buttons NRD24V1 Radio module Hardware descriptionAudio Codec Radio circuit Power supplyMicro controller Antenna matching networkSpecifications Operating conditions Status ValueUser Guide Application board Audio interfaceHeadset interface Jumpers AntennaButtons Button mappingUser Guide USB dongle NRD24V1 USB dongle top sideUSB Interface User Guide Headset Hardware design guidelinesInterfaces Crystals Battery4 MCU Headset Reference Design USB dongle 2 MCUAppendix Bill Of Materials BOMUSB dongle BOM Radio module BOM Headset Reference Design Application board schematics GuideUser RF module schematics USB dongle schematics Headset Reference Design