Analog Temperature Sensor
Barometric Sensor
Conductive Rubber Cord Stretch Sensor
Flex Sensor
Force-Sensitive Resistor (FSR)
Hall Effect Sensor
IR (Infrared) Receiver Sensor
Luminosity/Lux/Light Sensor
Microphone
Miniature Solar Cell - BPW34
Photocell
Piezo Buzzer
Proximity/Light sensor
Sensor pack 900
Thin Plastic Speaker w/Wires - 8 ohm 0.25W
ToF Range Finder Breakout
Ultrasonic Range Finder - LV-MaxSonar-EZ3