Neuro-Feedback Alpha Training Headset Kit: Real-Time Brainwave Feedback with ESP32 + LED Ring

Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.

For individuals exploring the frontier of personal brain training, this kit delivers a functional neurofeedback headset that reads frontal EEG activity via ADS1299 and translates alpha wave power into an intuitive LED ring display and soothing auditory tone. Whether you're a meditation practitioner seeking deeper states or a researcher prototyping wearable brain-computer interfaces, you'll assemble a device that provides immediate physiological feedback to train relaxation focus. Far beyond a simple blinky circuit, this build gives you hands-on experience with biopotential amplification, real-time digital signal processing on ESP32, and closed-loop feedback systems.

What You'll Build

You'll construct a wearable headset that captures clean EEG signals from the prefrontal cortex, extracts alpha band (8-12 Hz) power in real-time using the ESP32, and drives a 12-LED WS2812B ring whose brightness and color shift with your alpha amplitude. A PAM8403 amplifier drives a speaker that generates a tone whose pitch varies inversely with alpha power—as you relax and alpha rises, the tone deepens, guiding you into a calm state. The build includes an RTC and microSD module for logging session data for analysis offline.

What You'll Learn

• Setting up and calibrating the ADS1299 24-bit analog front-end for EEG acquisition with dry electrodes
• Implementing real-time bandpass filtering and FFT-based alpha power estimation on an ESP32 microcontroller
• Mapping EEG features to visual feedback via WS2812B addressable LEDs and generating parametrised audio tones
• Integrating RTC-based timestamping and SD card logging to record neurofeedback sessions for later performance tracking
• Debugging noise, motion artifacts, and electrode impedance issues in a wearable form factor

Kit Contents

Why Buy This Kit Instead of Sourcing Parts Separately

Who This Kit Is For

This advanced-level kit is designed for adults with a background in embedded systems or biomedical engineering—ideal for B.Tech and M.Tech students in ECE, EEE, or biomedical engineering at institutions like IITs, NITs, and VIT, as well as health-tech startup founders exploring non-invasive neurofeedback prototypes. Biohackers, cognitive science researchers, and meditation coaches with technical curiosity will also find the build rewarding. If you've worked with ESP32 and basic sensors before and want to dive into biopotential acquisition, this is your hands-on project.

Built and Backed by Compoden

Every Compoden kit ships with an AI build companion trained on this exact project — accessible via a QR code on the box, with WhatsApp and email backup. We've spent 10 years building projects for makers, schools, and institutions across India. If a part fails because of a manufacturing defect, replace it free within 7 days.

Choose your assembly option:

• Soldering Kit — 25W soldering iron, 60/40 solder wire, flux, and small perfboard for permanent assembly.
• Breadboard Combo — 800-point full-size breadboard with 65-piece jumper wire pack for solderless prototyping.