# PyLeap NeoPixel Sound Meter for Circuit Playground Bluefruit

## NeoPixel Sound Meter

There is a **microphone (sound sensor)** and **ten NeoPixel LEDs** on your Circuit Playground Bluefruit. This example uses the ten LEDs to indicate sound level from the sensor.

Try talking to your board to see the number of NeoPixel LEDs increase.

![](https://cdn-learn.adafruit.com/assets/assets/000/106/565/medium800/bluefruit_PyLeap_sound_meter_image.jpg?1637100342)

https://github.com/adafruit/Adafruit_Learning_System_Guides/blob/main/PyLeap/PyLeap_Bluefruit_Sound_Meter/code.py


## Featured Products

### Circuit Playground Bluefruit - Bluetooth® Low Energy

[Circuit Playground Bluefruit - Bluetooth® Low Energy](https://www.adafruit.com/product/4333)
 **Circuit Playground Bluefruit** is our third board in the Circuit Playground series, another step towards a perfect introduction to electronics and programming. We've taken the popular Circuit Playground Express and made it even better! Now the main chip is an nRF52840...

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[Related Guides to the Product](https://learn.adafruit.com/products/4333/guides)

## Related Guides

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