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! VL53L5CX Initialization Timing (vl53l5cx_api)

Currently I'm using some of the vl53l5cx api functions along with some custom code. I plan to have multiple ToFs used and noted, via o-scope, that the initialization function vl53l5cx_init (looks to be blocking code?? correct me if I'm wrong) takes a...

JahKMC by Associate III
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  • 4 replies
  • 1 kudos

Resolved! Fiber Coupling to remote mount a ToF sensor

Hi I have an application inquiry...'m looking into remote mounting a ToF sensor (i.e. VL53L4EDV0DH/1) in order to observe the environmental limitations of the sensor in a more difficult envorment...are there any guidelines or application history for ...

Resolved! vl53l8cx with SPI interface start ranging fails

To begin, I am using the vl53l8cx breakout board from Pololu with a Nucleo-F446RE and PlatformIO. I have been having trouble getting the VL53L8CX to start ranging using the SPI2 interface. I get successful responses from the `_is_alive()` and `_init(...

lukestroh by Associate II
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  • 4 replies
  • 3 kudos

Resolved! VL53L1X temperature effects

We placed two VL53L1X sensors at 18.6" in our temperature chamber. Over a 50C swing we saw up to 1.15" of variability. In the images bellow the chamber temperature stabilized around 30 minutes. The target was a large 24x24 sheet of white nylon 0.5" t...

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Resolved! VL53L8CX Platform Integration with ChibiOS

Hi, I am trying to integrate the VL53L8CX ULD driver with a project that utilizes chibios on an F4 based board.The TOF sensor firmware seems to be about 86KB. For a transfer of this size, the device fails to setup and use DMA-safe bouncebuffers. I ca...

Resolved! VL53L1X Sensor failures?

#define RANGE_ERROR_DISTANCE_BELOW_DETECTION_THRESHOLD 0x03#define RANGE_ERROR_OTHER 0xFFHi ST,Some of our production devices are receiving the above errors.  Can someone help me with understanding what might cause these errors?Thanks,Will 

will3 by Associate III
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  • 1 replies
  • 1 kudos

VL53L1X Interrupt not working, No measurements

Hi, I am having trouble with the interrupt. I manange to coummunicate via I2C and read Model ID and Type. But my problem is that i can't initiate the sensor via the VL53L1X_SensorInit() function in the Ultra Lite Driver I'm using. When I debug I see ...