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Adafruit VL6180X Time of Flight Micro-LIDAR Distance Sensor Breakout Created by lady ada Last updated on 2020-03-27 11:52:04 AM EDTOverview The VL6180X is a Time of Flight distance sensor like no other you ve used The sensor contains a very tiny invisible laser source, and a matching sensor. The VL6180X can detect thetime of fligh, or how long the light has taken to bounce back to the sensor. Since it uses a very narrow light source, it is good for determining distance of only the surface directly in front of it. Unlike sonars that bounce ultrasonic waves, the cone of sensing is very narrow. Unlike IR distance sensors that try to measure the amount of light bounced, the VL6180X is much more precise and doesn t have linearity problems or double imaging where you can t tell if an object is very far or very close.