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

ToF VL53L4CD load capacitance calculation

Hi, I am struggling to understand how to calculate the load capacitance when adding the pull-up resistors in my circuit with VL53L4CD ToF sensor to run the sensor in fast mode plus. The datasheet states that:Suggested pull-up and series resistors for...

Gabor23 by Associate II
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  • 3 replies
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Reading several VL53L7CX sensors with a Nucleo

Hello everyone,I am trying to read data from three SATEL-VL53L7CX, using only their mini-PCB part, with a Nucleo F401RE.To do so, I did the following wiring:each sensor is using a different I2C bus (sensor 1 is plugged on SDA1/SCL1, sensor 2 on SDA2/...

VL53L7CH, VL53L8CH with AI

As it is described both models are dedicated for  AI applications. Where can I find examples of usage or materials to start?I assume I can use NEAI Studio?

KNawa.1 by Associate II
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VL6180X sensor initialization SR03 setting

Hi, I was wondering what is the SR03 settings in initialization of VL6180X ToF sensor? I had gone through the user manual & application note AN4545 but i couldn't get the answer. If someone knows please explain. It just for educational purpose only.T...

AK_19 by Associate
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  • 1 replies
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Resolved! Something Wrong with Calibration of VL53L3CX

Vl53l3CX works well when i init it with DataInit and StartMeasurement Function,but when i add a OffsetCalibration to its init sequence,it output a distance of 8191 mm,which is obviously wrong .Paraments of calabration function are shown in the  follo...

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LOMO by Associate III
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  • 1 replies
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Resolved! VL53L5CX offline

I purchased X-NUCLEO-53L5A1 and NUCLEO-F401RE board. I assembled them and followed the Quick start guide X-NUCLEO-53L5A1 manual. I can't connect the device in the VL53L5CX. I update firmware and ST-Link before. I connected to the ST COM port via term...

JVane.1 by Associate II
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  • 6 replies
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Resolved! VL53l0x I cannot measure more than 400mm

Dear Sir,     I am trying to read the distance from the VL53Lox i can read upto 400mm , when i try to measure more the 400mm it is not reading proper reading. Please guide 

Yusuf1 by Associate
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Resolved! Disabling VL53L5CX Autocalibration?

Hi there!​I was wondering, for a school project, if it is possible to disable te autocalibration on the VL53L5CX and if it would be possible to manually calibrate it?​Thanks! :fox_face:

TVos.1 by Associate
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VL53L7CX_ResultsData interleaving & format

The ULD driver VL53L7CX_ResultsData object type contains range data from the VL53L7CX.  Each member that holds data for multiple zones and targets is organized in an array.Items signal_per_spad, range_sigma_mm, distance_mm, reflectance & target_statu...