Description: The Olimex SHIELD-EKG-EMG is plug-compatible with Arduino footprint connectors and provides Arduino like boards an interface to electrocardiography and electromiography signals. These boards have been used for heartbeat monitoring, pulse logging and gesture recognition by monitoring and analizing muscule activity. They are licensed under the Creative Commons Attribution-Share Alike 3.0 Unported License. The EKG/EMG shield opens exciting new possibilities to experiment with bio feedback. Additional electrodes are available (73-0275).