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 - readings dependent on target

HiI have been messing around with VL53L4CD for the last few months, and I recently realized that my readings differ significantly, depending on the target color/texture.Here is my setup: The sensor is set on its side, and directly in front of it, at ...

VL53L8CX SCK line stuck low

 Title: VL53L8CX pulls SCK line low on ESP32 – PCB or power-up issue?Hello everyone,I’m currently developing a prototype using a VL53L8CX sensor together with an ESP32 controller. On our PCB, the sensor seems to permanently pull the SCK line low. Thi...

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Resolved! VL53L0X offset/xtalk after temperature calibration

Hello, I have a question about the temperature calibration for the VL53L0X Time-of-Flight sensor.The UM2039 manual states the following:> [Temperature calibration] has only to be done before offset and cross-talk calibrations, after Reference SPADs  ...

Resolved! Unstable range results VL53L7CX

This is a continuation from this post, where I erroneously marked the post as solved: https://community.st.com/t5/imaging-sensors/vl53l7cx-distance-data-stratification/td-p/866073Unfortunately I'm still experiencing the issue where range data continu...

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jairo1 by Associate II
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  • 4 replies
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Resolved! VL53L4CX multiple objects at longer range?

HeyI've got great success with the VL53L4CX at sorter ranges, but at longer ranges i seem to get two objects. One closeby between 10 and 30mm away, and one at the distance that it should be.I've done calibration and i cant' get this to go away. I'm a...

cyclops by Associate III
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  • 2 replies
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VD55G0 not detected on Raspberry Pi 5

Dear all,I'm trying to get a VD55G0 sensor (promodule connected via P-board) working on a Raspberry Pi 5. I followed the Linux Start Guide for the driver. The only difference with respect to the guide were the name of the device tree file (guide says...

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asdfasdf by Associate III
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  • 2 replies
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Resolved! Drivers for VD55G0 sensor for STM32N6

Dear all,I'm looking for the driver for the VD55G0 camera sensor compatible with the STM32N657 MCU. According to the camera sensor's driver product page (STSW-IMG505) a driver should be available for the N6 (the N6 is mentioned several times as being...

asdfasdf by Associate III
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  • 4 replies
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Calibration box guidelines?

HI,I'm using the VL53L4CX and in an enclosure and thus have a cover glass over the sensor.i've been doing some simple calibration, but have noticed that this requires a strict procedure and preferably a good setup to perform the calibration.I therefo...

cyclops by Associate III
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  • 3 replies
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NUCLEO-N657X0-Q Nucleo board with STEVAL-55G1MBI1

I am using the above 2 EVAL boards from ST. I am trying to get the video pipeline going to the point that I do receive the images in memory and the appropriate frame based interrupts are triggered to verify. I have tooled my code for minimal applicat...

gmali9 by Associate
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