OLIMEXINO-328 + SHIELD-EKG-EMG + SHIELD-EKG-EMG-PA + SHIELD-EKG-EMG-PRO EKG EKG arduino shield kit including all leads OLIMEXINO-328 arduino SHIELD-EKG-EMG-PA and SHIELD-EKG-EMG-PRO See our Amazon storefront for similar ECK EKG Kits OLIMEXINO-328 has R6 track cut and firmware ready installed COMPATIBLE WITH ECG GURU -SEE PICTURES OLIMEXINO-328 can be used on any other Arduino project as well