Fingerprint sensor
SGD $ 113.45
MyoWare Muscle Sensor - (Discontinued)
SGD $ 70.50
Pulse Sensor
SGD $ 42.90
SparkFun Single Lead Heart Rate Monitor - AD8232
SGD $ 30.00
X2M200 Respiration Sensor
SGD $ 395.00
Gravity: HUSKYLENS with Silicone Case
SGD $ 102.00