ماژول مادون قرمز تشخیص ضربان قلب

ماژول مادون قرمز تشخیص ضربان قلب

Specification:

Working voltage: 5V
Use IR LED and optical transistor to detect pulsation in fingers
Used for synthesized teaching experiment
Dimensions: 25 x 22 x 17mm
Weight: 2g