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

Vl53L4CX giving status 255 in alternate cycles above 7cm

Hi,I am working on a project where I am using an array of 16 VL53L4CX to measure both the X and Y coordinate of any object in front of my sensor array. I want my loop time to be less than 50ms, so I am using 1MHz I2c clock. Currently I'm able to read...

kps98 by Associate III
  • 799 Views
  • 1 replies
  • 1 kudos

VL53L4CX - Connecting Multiple Sensors

Hi there, I am involved in a project comprising 16x VL53L4CX Sensors, we are trying to measure and track the x and y coordinates of an object in front of the sensor array. Currently, I can read from all sensors in 33ms on average. Even though I'm usi...

isaacjack by Associate II
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  • 2 replies
  • 0 kudos

VL53L8CX firmware consumes most of the STM32 flash

Hello,I am currently working with an STM32 MCU equipped with 128KB of flash memory, alongside the X-NUCLEO-53L8A1 Time-of-Flight expansion board featuring the VL53L8CX sensor. It has come to my attention that the sensor's firmware, as defined in vl53...

Mostafa1 by Associate II
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  • 3 replies
  • 3 kudos

Vl53l8cx sharpener can not be set!

I am using the latest ULD driver of vl53l8cx. The sensor can work now. But when I use the function vl53l8cx_set_sharpener_percent to change the sharpener param, it does not work. There is no effection on the distance. I also used the vl53l5cx_set_sha...

WeiJia by Associate II
  • 1748 Views
  • 2 replies
  • 0 kudos

Raspberry Pi 4 driver for the VL5L5CX ?

I downloaded the simplified driver for the VL5L5CX from https://www.st.com/en/embedded-software/stsw-img023.html#overview .Is there a version of platform.c and platform.h for the Raspbery Pi 4?

GJoe.1 by Associate
  • 1230 Views
  • 5 replies
  • 0 kudos

Resolved! VL53L4CX spad map

Is there any way to get an overview of the 16x16 (time-integrated) SPAD array signals? I would like to see how the VCSEL spot looks on the SPAD matrix. Clearly, this information must be present on the chip itself, as it knows about its optical center...

SCH23 by Associate
  • 1354 Views
  • 3 replies
  • 1 kudos

Resolved! VL6180 AVDD question

Hello,I am planning to use VL6180 sensor in my application which is going to communicate with STM32L071. I would like to ask a question since the specification for the AVDD mentioning about optimal value is 2.8V. Do I need to provide some special LDO...

JacekPieczaba_1-1702313620102.png

SATEL-VL53L8 level conversion

Hi everybody,I have purchased SATEL-VL53L8 package containing 2 breakout boards with VL53L8 ToF ranging sensor, and I encountered a peculiar hardware issue. A breakout board has been connected to an ESP32 dev board (3.3V logic level). I have been try...

milukic_0-1702311151639.png milukic_0-1702312170330.png
milukic by Associate II
  • 2042 Views
  • 6 replies
  • 1 kudos