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

VL53L1X sensor fail to measure

Hello,I want to measure distance with VL53L1X connected to ESP32. I can read correctly vl53l1x reference registers and I initialize without problem but i can't read measures.I want to get readings by polling.This is my code:-------------------------...

Mcabe.1 by Associate II
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VL6180X stops responding on I2C

We are using a VL6180X to set the state of GPIO1 when the detected distance goes outside a range. That part appears to work fine, until for no reason we can determine the VL6180X stops responding to any I2C requests. The only way we have been able ...

RRapi.1 by Associate
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Resolved! VL53L1 family IR bandpass filter information

ST say that VL53L1 family integrates a SPAD (single photon avalanche diode) array, physical infrared filters ...​If I use this sensor in close proximity with a device that emits light at a wavelength of 850 nm, I need IR filter information to predict...

DKim.13 by Associate
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What are the purpose of the I2C functions?

Hi,For a project, I am trying to interface the VL53L1 sensor with the MSP432P401R development board using the API from ST. I'm writing the functions for writing and reading all the bits using I2C, and I was wondering what was the explicit purpose for...

LChan.4 by Associate
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VL53L0X_GetReferenceSpads() function retuns 0 as Spad count and PerformRefSpadManagement fails with Reference Spad Init Error. Why?

After static init in the code:if(distOpStatus == VL53L0X_ERROR_NONE) { Print("Getting ReferenceSpads: "); distOpStatus = VL53L0X_GetReferenceSpads(pDistanceSensor, &refSpadCount, &isApertureSpads); }   if(distOpStatus == VL53L0X_ERROR_NONE) { ...

mgulsoy by Associate II
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Resolved! VL53L1X hanging on first wait for data

I have a VL53L1X connected to a multi-slave I2C bus hosted by a broadcom bcm2835 running linux (4.19). I have configured the `vl53l1_platform.c` from the api ("stsw-img007") to use the <linux/i2c-dev.h> interface with tracing and see bi-direction com...

SK.61 by Associate II
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Resolved! VL53L1X - Autonomous low-power mode

If anyone could help me point to location in the API where I could implment "Autonomous low-power mode".And on "Autonomous low-power mode" what is the expected current draw?for a battery operated project what should I tweak in the API to get more pow...

JPere.3 by Associate II
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