SEE


1. Photo cell Sensor

2. PIR Motion Sensor

3. Infrared Proximity Sensor

4. Ultrasonic Range Finder

LISTEN  + sense VIBRATION

1. Tiny Microphone

2. Piezo Vibration Sensor

TOUCH

Capacitance sensing

Pressure sensors

Flex sensors

WEATHER

Humidity sensors

Temperature sensors

Barometric Pressure Sensor

POSITION

Accelerometer

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