# Muse Headset Teardown

## Inside the Muse

https://www.youtube.com/watch?v=h3Blku7MqSo

[Muse is a brain sensing headband](http://www.choosemuse.com/) for assisted meditation. It pairs over bluetooth with your phone to guide you through a meditation session with realtime feedback on your brain’s activity, followed by some stat tracking that helps you improve your calm over time.

![](https://cdn-learn.adafruit.com/assets/assets/000/026/095/medium800/wearables_muse-headset-teardown-00.jpg?1435008537)

Disassembly revealed a circuit board behind each ear. This side contains the battery and charging circuitry, as well as an opamp and several test points.

![](https://cdn-learn.adafruit.com/assets/assets/000/026/096/medium800/wearables_muse-headset-teardown-01.jpg?1435008551)

The traditional circuit boards are joined to a flex circuit with a sophisticated adjustable metal piece. A small clip extends down to connect to the metal part of the exterior enclosure, which provides contact to the conductive rubber over-ear sensor.

![](https://cdn-learn.adafruit.com/assets/assets/000/026/098/medium800/wearables_muse-headset-teardown-03.jpg?1435008589)

The flex circuit also contains the forehead electrodes.

![](https://cdn-learn.adafruit.com/assets/assets/000/026/097/medium800/wearables_muse-headset-teardown-02.jpg?1435008565)

The other circuit board contains the analog sensing circuitry, microcontroller, and bluetooth module.

![](https://cdn-learn.adafruit.com/assets/assets/000/026/099/medium800/wearables_muse-headset-teardown-04.jpg?1435008610)

The chips we found on the board:

- PIC24 microcontroller
- MMA8453 accelerometer
- OPA4374 quad CMOS opamp
- MCP6L02 precision opamp
- RN42 Bluetooth classic module
- MFi33753959 iOS authentication chip

![](https://cdn-learn.adafruit.com/assets/assets/000/026/100/medium800/wearables_muse-headset-teardown-05.jpg?1435008660)

![](https://cdn-learn.adafruit.com/assets/assets/000/026/101/medium800/wearables_muse-headset-teardown-06.jpg?1435008705)


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