This Eye Blink sensor senses the eyeblink using infrared. The Variation Across the eye will vary as per eye blink. If the eye is closed the output is LOW otherwise the output is HIGH.

Specifications:

• Instant output digital signal for directly Connecting to the microcontroller
• Compact Size
• Working Voltage: 3.3-5VDC
• TTL output: 3.3-5V or 0V
• Used for digital Eye Blink monitor
• Onboard 3-pin header

Download User Guide.