IDUN Dryode™ Alpha Kit

$ 229.99

Back in Stock!

We are very excited to work with IDUN Technologies to offer this affordable, high-quality biosensing kit to our community! 

The Dryode™ Alpha offers waterproof, research-grade signal quality with the ease of a consumer product. This state-of-the-art flexible dry electrode is designed for biopotential data acquisition (ECG, EMG, and EEG). It is connectable to any OpenBCI board (sold separately) using OpenBCI snap electrode cables, as well as compatible with most standard snap electrode cables.

Head over to our documentation for step-by-step EMG data collection and more! To learn more about the Dryode™ check out: 

Advantages of the Dryode™:

  • Cost-effective and reusable
  • Uniquely flexible polymer ensures stable contact with skin
  • Biocompatible and hypoallergenic 
  • Material that moves with you
  • Reduced motion and noise artifacts
  • Waterproof

Scientifically Validated for EEG, EMG and ECG

The Dryode™ material resulted from extensive research in collaboration with ETH Zurich. The paper titled, "Skin Conformal Polymer Electrodes for Clinical ECG and EEG Recordings" was published in the Journal of Advanced Healthcare Materials.

The Mobile Health Systems Lab of ETH Zurich published a paper featuring the Dryode™ Alpha for sleep EEG research. "A Protocol for Comparing Dry and Wet EEG Electrodes During Sleep" was accepted to the Frontiers of Neuroscience, Neural Technology in June 2020.


About IDUN Technologies

Preparation-free and skin compliant biopotential electrodes with recording quality enable wearables for biosensing and the future Internet of Humans. The Swiss ETH Spin-off aims to be the best interface between the user’s skin and wearable devices to connect humans in everyday life. The Dryode™ Alpha is the first product in a development pipeline advancing towards continuous body monitoring for activity monitoring, well-being, and human-computer interfaces.

Technical Specifications:

  • Electrode contact area is 20 mm (0.78 in) in diameter
  • Total contact area is 40 mm (1.57 in) by 55 mm (2.16 in) 
  • Impedance range ~3.2-5.2 kOhm, as shown in the product graph

Dryode™ Alpha Kit ($169.99) includes:

  • 10 Dryode™ Alphas (individual passive electrodes)
  • 10 Adhesive patches
  • 10 Alcohol wipes
  • Instructional leaflet
  • Storage box

Dryode™ Alpha Kit ($214.99) with Snap Electrode Cables includes:


International Shipping

For a free estimate of the total import duty and tax, use this calculator. Enter the HS code 8542310000 when prompted. International customers please note that product prices do NOT include customs fees, import taxes, brokerage fees, or any customs clearance fees. This is the responsibility of the customer. OpenBCI does not determine import costs. This is controlled by international border agents. 

ALL OpenBCI orders ship from the US. We ship worldwide!

In our experience, total import cost for Europe is about 25% of the product price. For other countries, it is about 10-20%. Have any questions about shipping internationally? Please email


The IDUN Dryode™ Alpha Kit is not a medical device nor is it intended for medical diagnosis and provided to you "as is." OpenBCI, Inc. provides the above product under the following conditions: This evaluation kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES ONLY.

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