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VL53L0x Offset calibration and Crosstalk calibration

zhy
Associate

Hi

   follow  can  make offset calibration?Place the object 14cm away .Must be in a dark environment?

   

zhy_0-1761292891871.png

follow can make Crosstalk calibration?   Place the object 60cm away.

zhy_1-1761293001860.png

my coverglass like follow,The measured distance seems very short. How can I solve this problem?

zhy_2-1761293212141.png

follow is my read out data

zhy_3-1761293684788.png

 

 

 

 

 
1 REPLY 1
Zhiyuan.Han
ST Employee

Hi

About offset calibration, normally we suggest do offset calibration at short distance(10cm or 14cm) with white target (88% reflectance) in dark condition. 

About xtalk calibration, can you share your ranging data in dark condition? normally we suggest do xtalk at reorted distance start to drop, refer below picture. 

And you shared ranging data is under the sun, VL53L0CX ranging ability will decrease with IR noise increase, as sun also contain 940nm noise, so sun light will impact VL53L0CX max ranging ability 

ZhiyuanHan_0-1761299521101.png

 

you can refer UM for more detail.

VL53L0X API User_Manual.fm

 

Br

Zhiyuan.Han


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