**Distance**\\

Sharp GP2Y0A710\\
{{:2y0a710_b.jpg?direct&200|}}\\
•	Optical\\
•	Sensor Output: Analogue\\ 
•	Detecting Distance: 100cm to 550cm\\ 
•	Operating Current DC: 50mA\\ 
•	Supply Voltage Range DC: 4.5V to 5.5V\\
{{:gp2y0a710k.pdf| GP2y0a710k manual}}\\{{ ::img_9686.jpg?direct&500|}}\\

HC-SR04

{{:hc-sr04.jpg?direct&200|}}

•	Ultrasonic\\
•	Power: 4,5 - 5,5V DC\\
•	Quiescent Current : <2mA\\
•	Effectual Angle: <15°\\
•	Ranging Distance : 2cm – 500 cm\\
•	Resolution : 0.3 cm\\
{{::hc-sr04.pdf|HC-SR04 manual}}\\ 

US-100\\

{{::us100.jpg?direct&200|}}\\

•	Ultrasonic\\
•	Power: 3- 5V DC\\
•	Quiescent Current : <2mA\\
•	Effectual Angle: <15°\\
•	Ranging Distance : 2cm – 450cm\\
{{::ultrasonic_sonar_module_us-100.pdf|US-100 manual}}\\