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VL53L7CX distance data stratification

jairo1
Associate II

Hello, I have a VL53 sensor that's outputing distance data but the distance measurements I'm getting are getting "stratified" into about 3 different distances seemingly randomly. I'm using the ULD driver on a custom PCBA with a TM4C1239 microcontroller and sampling the sensor at 10 Hz.

 

This first video is with no obstacle in front of the sensor. You can see the data is not consistent

 

This second video is with my hand about 10 cm away from the sensor, then approaching and retreating the sensor. You can see the data jumping between a few discrete distances even as I approach and retreat from the sensor

 

Does anyone have any suggestions as to why this may be happening? 

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