sensor for range / proximity/ distance measurement

Account cancelled 2018-04-05 15:52:06 2332 Views1 Replies
Hi
I need to measure the distance of a person to the sensor from 20 cm upto 15 meters. Can you think of a solution? A shield or a single sensor?
Thx

2018-04-09 17:11:40 15 meters is a little long for ultrasonic sensor, normally our ultrasonic sensors have maximum distance of 5 meter, for 15 meters you can use lidar like this one https://www.dfrobot.com/product-1599.html . The maximum distance could be 22 meters. robert.chen