Adafruit VL53L4CX Time of Flight Distance Sensor - ~1 to 6000mm - STEMMA QT / Qwiic

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SKU : ADA-5425
Quantity on Hand : 3
Skill Level : Assembled and Tested
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Description: The Adafruit VL53L4CX Time of Flight Sensor is another great Time of Flight distance sensor from ST in the VL5 series of chips, this one is great for long distances - it goes up to 6 meters compared with the 4-meter max of the VL53L1X.

The sensor contains a very tiny invisible laser source and a matching sensor. The VL53L4CX can detect the "time of flight", 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 a 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 VL53 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.

This is a 'big sister' of the VL53L4CD ToF sensor and can handle about ~1 to 6000mm of range distance, it also has some ability to do 'multi-object detection'. Basically, it can identify when more than one object is in view and tell you the two distances.

Please note, the Arduino driver for this chip does not support 'small memory' boards like the ATmega328 - you'll need a SAMD21, SAMD51, ESP, etc chip with 50K of flash memory available!

The sensor is small and easy to use in any robotics or interactive project. Since it needs 2.8V power and logic we put the little fellow on a breakout board with a regulator and level shifting. You can use it with any 3-5V power or logic microcontroller with no worries. Works great with the 3.3V logic level of a Feather, or the 5v level of an Arduino Mega, this breakout is ready to work with most common microcontrollers or SBCs. and since it speaks I2C, you can easily connect it up with two data wires plus power and ground. 

As if that weren't enough, we've also added SparkFun qwiic compatible STEMMA QT connectors for the I2C bus so you don't even need to solder. Just wire up to your favorite micro with a plug-and-play cable to get ToF data ASAP. For a no-solder experience, just wire up to your favorite micro, like the STM32F405 Feather using a STEMMA QT adapter cable. The Stemma QT connectors also mean the VL53L4CX can be used with our various associated accessories. QT Cable is not included.

Communicating to the sensor is done over I2C with an API written by ST, they have an Arduino library with an example for communication here.

    Features:

    • Fast, accurate distance ranging

      • Histogram based technology

      • Distance measurement from 0 mm up to 6 m

      • Short distance linearity down to 10 mm

      • Major improvement in long distance-ranging performance across all targets and light levels

      • Field of view (FoV) of 18°

      • Multiobject detection capability

      • Targets beyond 80 cm range are immune to crosstalk from cover glass, and smudge

    • VL53L4CX is a fully integrated miniature module

      • Emitter: 940 nm invisible laser (VCSEL) and its analog driver

      • Low-power microcontroller running advanced digital firmware

      • Size: 4.4 x 2.4 x 1 mm

      • Pin-to-pin compatible with VL53L0X, VL53L1X, VL53L1CB, VL53L3CX, and VL53L4CD

    • ST documentation for the VL53L4CX sensor

    Documentation and Downloads


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