Eye Blink Sensor 4-Channel 5V Relay Board Lightweight & Compact: At roughly

Lightweight & Compact: At roughly 30 g

then the Echo pin goes HIGH for a duration proportional to the round-trip time of the sound wave

Output Voltages 3

and temperature

cloud synchronization

Eye Blink Sensor 4-Channel 5V Relay Board Lightweight & Compact: At roughlyEye Blink Sensor Detect eye blinks in real time with this compact and reliable Eye Blink Sensor from The Engineer Store, Bengaluru. Designed for wearable electronics, drowsiness detection systems, and human computer interaction projects, this sensor accurately captures voluntary and involuntary eye blinks using infrared (IR) sensing technology. Ideal for biomedical engineering students, robotics enthusiasts, and safety system developers. Ships fast