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User Guide

3.2 Application board

The nRF24L01-VHR1 application board contains all peripherals necessary to build a complete audio mod-
ule from the nRF24L01-VHR1 radio module.
Figure 6. Application board comp onents

3.2.1 Audio interface

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 ne eds some external co mponen t s to interface with eithe r
the PC audio connections, or a microphone/loud speaker for a headset.
1 Radio module 7 P3 external pow e r
2 Linear regulator 8 Batteries
3 Jumpers 9 Switches 7 and 8
4 Audio interface 10 ISP programming
5 Jumpers 11 Buttons
6Switch 6
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3
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