Imaging (sensors)

Discuss applications using ST FlightSense Time-of-Flight sensors, ST BrightSense CMOS image sensors, and ambiant light sensors (ALS) technology. Find answers to your questions on troubleshooting, data accuracy, optimizing communication and more.

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Forum Posts

Resolved! VL53L4CD configuration and minimum distance reading

Hi to all.I'm trying the VL53L4CD nucleo expansion board. My goal is to use this ToF sensor to detect a very small change in  distace, starting from about 5 mm.The idea is use this VL53L4CD  sensor to detect if the distace become greater than 5mm. (5...

TheRaprus by Associate III
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  • 1 replies
  • 1 kudos

Resolved! VL53L4CD Interrupts

HiI am using VL53L4CD for detecting presence of an object at a distance below 300mm. I have considered Examnple4 Ultra Low Power as the base. I am able to get the interrupts when an object comes below 300mm distance as expected.But in this scenario i...

pthakkar by Associate II
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  • 9 replies
  • 0 kudos

VL53L4CX - Drift on static level

Hello, I'm trying to measure a static level using the VL53L4CX. The following test shows an unusual drift in the level measured by the sensor. I'm using clean water for the test and a specific tank.I performed the test without any cover glass on the ...

Resolved! FDA accession number of the VL53L4CX

Hello,Do you have a FDA accession number for the VL53L4CX ToF chip? I can find only the document "VL53L4 IEC 60825-1 CB test certificate (eye safety)" at the attachments and there it isn't noted. Furthermore I guess it is not the same as for the VL53...

Tobias_1 by Associate
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  • 1 replies
  • 0 kudos

Intefacing stmvl53l8cx with Cypress Cx3 controller

Hi @John E KVAM ,I am planning to interface stmvl53l8cx with cypress cx3 controller. I did not find any Register Reference for it to access the TOF registers. Instead I find  en.STSW-IMG042.zip SDK for raspberry pi . Should I port this SDK to my micr...

Vbala.1 by Associate II
  • 319 Views
  • 4 replies
  • 1 kudos

Measuring liquid level in water bottle?

I came across STM's YouTube video demonstrating how to measure the level of a liquid inside a cup: https://www.youtube.com/watch?v=tHTNjmbO-GoI'd like to do something similar except for water bottles (of varying shapes, sizes, materials, and liquids)...

mattblee by Associate
  • 810 Views
  • 2 replies
  • 2 kudos

Resolved! Have to reset power on VL53L4CX before code works again

Hi,I'm using an ESP32 (the RAK11200 module) with my own board (https://github.com/cyclops1982/TOFBoard/tree/main/TOFBoard).I'm using this helper file and basically do:1. A init() during the arduino setup()2. During the arduino loop() i run the GetDep...

cyclops by Associate III
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  • 2 replies
  • 1 kudos

Resolved! VL53L5CX Config error

I am trying to work with the VL53L5CX Tof sensor. The following calls succeed.VL53L5CX_InitVL53L5CX_ReadIDVL53L5CX_Start However, the following call fails:     VL53L5CX_Result_t pResult;    VL53L5CX_ProfileConfig_t _profile;    _profile.RangingProfil...