Catatan : Kualitas sinyal beda jauh antara board warna hitam dengan warna merah, lebih bagus warna merah Description: Ardu pulse sensor can be used to test heart rate, students, artists, athletes, creators, games or mobile terminal developers can develop heart-related and interactive works.
Features: 1 wearable wrist earlobe in different parts of the finger 2 analog signal output compatible Ardu 3 Operating voltage 3.3 - 5V