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  • Author Author: tariq.ahmad
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Building Spooky Fun: Halloween Sound Pranks with nRF 5340 BLE Audio -- Episode 622

In preparation for the spooky season, let's join Derek as we revisit the DC to Daylight episode exploring the world of Bluetooth Low Energy (BLE) Audio using the Nordic Semiconductor nRF5340 Audio Development Kit for fun Halloween pranks and japes with different creepy and spooky sound bites to those daring to seek a trick or treat!

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Derek starts off by introducing the kit's powerful features, which include a built-in debugger, audio DSP chip, and battery management. Derek notes that Bluetooth audio is something we encounter daily in our phones, cars, and various devices. However, Classic Bluetooth has its limitations, including latency and power issues. BLE, primarily used for IoT devices, now incorporates streaming audio with the LC3 codec, potentially revolutionizing Bluetooth audio. The nRF 5340 Audio DK is a development kit featuring a powerful processor, audio DSP chip, battery management, and more. The user-friendly board includes built-in LEDs that indicate various states. It can be configured as a gateway, streaming low-latency audio to multiple headsets. 

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Derek delves into technical details, explaining the LC3 codec, which retains very high sound quality while reducing data rates and saving power. The nRF5340 Audio DK can be configured for True Wireless Stereo (TWS) operation, where audio streams are synchronized before transmission. It can also be configured to transmit audio to multiple devices. 

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Derek introduces the hardware and guides us through setting up the development environment and flashing the firmware. He demonstrates a fun project for Halloween, using the kit to scare trick-or-treaters with synchronized sound effects. 

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Ultimately, Derek's exploration of BLE audio showcases the capabilities of the Nordic Semiconductor nRF5340 Audio DK while providing insights into technical aspects and practical applications. As his final proof of concept (for this episode), Derek calls up some spooky sounds and sets a couple of speakers in the bushes by his front door to scare unwary trick-or-treaters.  

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Well, Derek managed to catch a few people off-guard and certainly put the spooky back into Halloween for the trick-or-treaters who visited. Have you started planning your Halloween project yet? What do you have planned this year?

Bonus Content - Discover more about the products used:

Bill of Material:

Product Name Manufacturer Quantity
NORDIC SEMICONDUCTOR NRF5340-AUDIO-DK Nordic Semiconductor 1 Buy Now
 

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