EHP
Emotion Diary
Headphones
Heartrate Monitor
Decision Diagram
Manual Measurement
Collected Heartbeat-Data Within 1 Week
Heartrate Diagrams
circuit_1
circuit_2
circuit_3
circuit_4
processing_screen
circuit with amplifier
processing screenshot
EKG Sensor
EKG Sensor with Arduino board
electrode patches with alligator clips
three electrode patches placed on arms
positive electrode on left elbow
negative reference electrode on right arm
heartbeat on processing window
heartbeat calm
heartbeat increased
chest strap
chest strap and data-logger
data-logger
interface data-logger program
one possible interface design
possible interface design