Product Features
1. Determine if there are objects in the device.
2. Weight is only 3 grams.
3 for light-emitting diodes and phototransistors.
4. Apply for burglar alarm, electric door and non-touch switch.
5. Build a circuit with LEDs to alert the lights.
product description
Package Contents:
1 X KY-010 Photoelectric Sensor ARDUINO.
