Pixie - InEar EEG

Pixie is a compact TWS with added feature of obtaining In Ear EEG. We are able to obtain useful data for the diagnosis and as a marker for mental health diseases.

Pixie uses a dynamic array of electrodes on earbuds to continously monitor EEG obtained from ear canals.

Design Overview

TWS and AFEs in a single module architecture

Some minor elements are omitted

Specifications

• Channels: Two active electrodes with dynamic selection
• AFE: Based on Texas Instruments ADS1292.
• Continous Monitorning: Data is streamed continously when worn.
• TWS: Can be used as a normal earpods.
• Input-Referred Noise: 1 μVPP (70-Hz BW)
• Input Bias Current: 300 pA
• Data Rate: 250 SPS to 16 kSPS

• DocsThis is an active private project in development
• TechMental Health, EEG, Medicine, Electronics