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! VL53L5CX Calibration after cover glass

Hi, I have two VL53L5CX and use glass to cover them. We can call them A&B.To A, I use the VL53L5CX_XTalkCalibration   function after init. To B, I do nothing.But result of both are close. Does it mean I can cover the glass without calibration?@John E...

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MasterNi by Associate
  • 1188 Views
  • 1 replies
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Resolved! VL53L4CD Minimum distance reading

Hi,I am testing a VL53L4CD sensor for a measurement application. I am using the example code from the API to test out the sensor and I'm having an issue with the minimum distance of the sensor. It will not report a measurement range less than 70mm an...

GJohn.4 by Associate II
  • 3945 Views
  • 6 replies
  • 2 kudos

VL53L5CX Operation Theory

Hi, I was wondering if there was additionaly theory avaliable about the operation of the VL53L5CX TOF sensor? I've already read the datasheets and applications notes. I'm particulalry interested in how the SPAD array identifies the transmitted light ...

David01 by Associate II
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  • 4 replies
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VL53L0X inaccurate off-perpendicular?

I'm using the VL35L0X.ino demo code on an Arduino UNO and a clone VL53L0X sensor. I very carefully measured the off-perpendicular distance measurements obtained from the VL53L0X and compared them to actual tape measure measurements. On average there...

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FPayn.1 by Associate III
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  • 6 replies
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Resolved! VL53L5CX status Mean

when I use VL53L5CX and get a status, then check with the table, but I still need further description than can explain STATUS means what.It's better like the picture below. Now I meet status 2, but I do not know why this happened.  

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MasterNi by Associate
  • 1709 Views
  • 1 replies
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Resolved! Long Range TOF

Hello, I want to ask about the maximum range of VL53L1CB, as it says in the table (as seen in attached photo) that it's up to 8m. However, in data sheet or specification just says over 400cm.1) So is the performance should be good at 8m range outdoor...

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E_K by Associate
  • 2164 Views
  • 1 replies
  • 0 kudos

VL53L5CX ULD vl53l5cx_check_data_ready() returns error CA 81

I'm trying to implement the VL53L5CX ULD v1.3.4 on an Atmel ATSAM4L. Per an Total Phase I2C analyzer, I have it almost all running correctly. It's uploading the firmware, and the firmware bytes captured by the I2C analyzer match the bytes in vl53l5cx...

DBonh.1 by Associate III
  • 4184 Views
  • 8 replies
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Resolved! VL53L4CX not NewDataReady

Hello, i've been using a couple of VL53L4CX tof for a month with no problem so far, but recently i bought a few more and none of these work. (These new ones are the same model that the ones that worked).Analyzing with a digital osciloscope the I2C co...

JaFrauca by Associate
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  • 2 replies
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Resolved! VL53L5CX sunlight range

Please tell me the brightness range of sunlight that VL53L5CX can be used with.

Taro by Associate
  • 1511 Views
  • 2 replies
  • 0 kudos