Real-Time EEG Alpha Wave Detector Variant 3 Kit with ESP32 + LED
Real-Time EEG Alpha Wave Detector Kit with ESP32 – Build a Wearable Brainwave Relaxation Monitor
Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.
This kit enables you to construct a wearable device that reads brain electrical activity and identifies moments of deep relaxation. Using a clinical-grade ADS1299 EEG front-end and an ESP32 microcontroller, you’ll capture alpha waves (8–12 Hz) in real time—perfect for meditation feedback, sleep onset detection, or human cognition research. The assembled system can help you quantify relaxation states or serve as a foundation for advanced brain-computer interface projects.
What You'll Build
A wearable EEG headband that continuously monitors alpha band power and alerts you when you enter a relaxed state. With the included OLED display, you’ll see live EEG waveforms and relaxation scores, while the DS3231 RTC and microSD module log timestamped data for later analysis. The result is a standalone biosignal logger you can wear during meditation sessions or sleep studies.
What You'll Learn
- Configuring the ADS1299 24-bit EEG front-end and sampling brain signals at 250 Hz
- Implementing real-time digital filters and FFT on the ESP32 to isolate alpha band energy
- Interpreting EEG data and designing metrics for relaxation or drowsiness detection
- Integrating a portable power system (LiPo, TP4056) and peripherals for field-deployable wearables
Kit Contents
| Component | Quantity |
|---|---|
| ESP32 Dev Board | x1 |
| ADS1299 EEG Module | x1 |
| Electrode Gel Snap | x8 |
| DS3231 RTC | x1 |
| MicroSD Module | x1 |
| 0.96in OLED | x1 |
| 4.7kΩ Resistors | x5 |
| 100nF Caps | x10 |
| 3.7V LiPo 1000mAh | x1 |
| TP4056 Module | x1 |
| PCB Prototype Board | x3 |
| EEG Headband | x1 |
| Soldering Iron | x1 |
| Solder Wire | x1 |
Why Buy This Kit Instead of Sourcing Parts Separately
| Factor | Sourcing Separately | Compoden Kit |
|---|---|---|
| Compatibility checks | You verify every part | Pre-tested as a system |
| Build support | Forums and scattered tutorials | AI companion trained on this exact project |
| Time to first working build | Days of debugging | Hours, with step-by-step guidance |
| Shipping coordination | Multiple sellers, multiple delays | One shipment from Bengaluru in 3-5 days |
Who This Kit Is For
Graduate students (M.Tech, Ph.D.) in biomedical or electronics engineering at IITs, NITs, and BITS Pilani will find this an invaluable hands-on signal processing project. It’s equally suited for neurotech startups prototyping consumer meditation wearables, or for researchers in sleep labs who need a customizable alpha-wave logger. Prior experience with Arduino or ESP32 is recommended, but the AI companion simplifies biosignal acquisition and analysis.
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.
What if I get stuck during the build?
Scan the QR code on the kit box to access the AI companion, which provides step-by-step troubleshooting and answers based on this exact circuit. For further help, message us on WhatsApp, and a human engineer will respond within hours.
Do I need prior experience with EEG or biosignals?
Not necessarily—the AI companion walks you through electrode placement, ADS1299 register configuration, and alpha detection logic. Basic familiarity with ESP32 and the Arduino IDE will help you move faster.
Can this kit be used for medical diagnosis?
No. This is an educational and research prototyping tool, not a medical device. It should not be used for clinical diagnosis or treatment of any condition.
How do I ensure good electrode contact and clean signals?
The kit includes snap electrodes and conductive gel; the companion app shows proper placement on the scalp and tips for minimizing motion and power line noise. The adjustable EEG headband holds electrodes in place for extended wear.
ADS1299 EEG front-end samples brain signals at 250Hz. ESP32 processes and detects alpha band relaxation state.
What's in this kit
- ESP32 Dev Board
- ADS1299 EEG Module
- Electrode Gel Snap x8
- DS3231 RTC
- MicroSD Module
- 0.96in OLED
- 4.7kΩ Resistors x5
- 100nF Caps x10
- 3.7V LiPo 1000mAh
- TP4056 Module
- PCB Prototype Board x3
- EEG Headband
- Soldering Iron
- Solder Wire
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.
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Shipping Information
- Prepaid Orders: ₹75 for orders up to ₹999, FREE shipping above ₹999
- COD Orders: ₹125 shipping + ₹50 COD fee = ₹175 total
- Delivery Timeline: Dispatch in 1-2 days, delivery in 2-7 days depending on location
Returns & Warranty
- 7-Day Return: Manufacturing defects only (approval required)
- Warranty: 7 days from delivery
- Non-Returnable: Batteries, consumables, cut wires, clearance items