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! Vl53L1X Nonrecoverable Measurement Accuracy Issue

I'm having an issue with a breakout board housing a VL53L1X sensor where, between the breakout board and MCU, the only connections are power, gnd, sda and scl through a PCA9617ADPJ I2C buffer. I've set it up for continuous ranging at about 200ms timi...

otCT by Associate II
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  • 4 replies
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Resolved! VL53L8CX not working on nrf9151 and getting NAKs

Hi everyone,So I'm trying to get the VL53L8CX ToF lidar working in ZephyrRTOS running on a NRF9151 chip. I'm using the VL53L8CX ULD driver version 2.0.1. The VL53L8CX is connected to the NRF9151 using i2c with the address 0x52, however when I call th...

RobinSuneti_0-1750317865821.png RobinSuneti_1-1750317889367.png RobinSuneti_6-1750319181567.png RobinSuneti_7-1750319207776.png

The tof chip anomaly after a long period of non-use

I discovered a strange phenomenon:After I powered on the VL53L4CD, I called the interfaces:The interfaces such as VL53L4CD_SensorInit, VL53L4CD_SetRangeTiming, VL53L4CD_SetDetectionThresholds, and VL53L4CD_SetSignalThreshold complete the initializati...

Blue666 by Associate II
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  • 13 replies
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How to disable multi-target on VL53L3CX

I use some VL53L3CX with Arduino (in C++) with PWFusion_VL53L3C.h library.In some situation I need to disable multi-target detection.How can I do this ?ANDWhere I can find a detailed documentation about VL53L3CX api ?ANDCan I use a different library ...

GOLMAS by Associate
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  • 2 replies
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VD66GY incorrect coloring

Hi, I am using the VD66GY image sensor on the STEVAL-56G3MAI board. It is connected to an Allwinner S3 with an ISP. This is my v4l2 pipeline:media-ctl --set-v4l2 '"vd56g3 0-0010":0[fmt:SGRBG10_1X10/1120x1360]' media-ctl --set-v4l2 '"sun6i-mipi-csi2":...

VL53L5, data can't ready

Hardware environment: STM32F405 chip and VL53L5CX-SATEL module;Software environment: Based on the STSW-IMG023 sample code, the code is ported to KEIL5 for use;Problem description: After completing the sensor initialization (ranging frequency 10hz, ra...

VL53L4CX VCSEL optical power

For a medical device that use NIR light we are using the VL53L4CX as range detector. We found that the TOF sensor light interfere with our NIR lighting system. In order to perform some simulations we would like to have some more details about the lig...