Imaging (sensors)

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the detection rate of SPAD products (VL53L3X)

I'm doing tests on the VL53L3X evaluation board, and trying to reproduce the detection rate issues.In fact, it is hard to get the 50% and 94% valid outcomes out ofcertain large number of tests using the quoted reflection material, ambientlight condit...

旭王.1 by Associate II
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  • 4 replies
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VL53L0X_PerformOffsetCalibration program example

Hello,Well i have read the documentation on the VL53L0X and it is a clear as MUD with respect to the usage of the function VL53L0X_PerformOffsetCalibration how to use it and why i should use it. I thought these devices where factory calibrated, but i...

Iknig.1 by Associate II
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  • 2 replies
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VL53L1X: Problems trying to restart after powering down

I am using a VL53L1X with the VL53L1X_ULD library.I have one ToF sensor that I initialize at the default address 0x52 and reset to an address of 0x56. It works at that address (I am planning to add more sensors, but haven't hot there yet.)When I powe...

Guy1 by Associate II
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VL53L5CX multi-sensor ranging reading must be delayed?

I used X-NUCLEO-53L5A1 + 2 VL53L5CX-SATEL, and the data read output speed has a delay in the code: HAL_Delay(POLLING PERIOD), POLLING PERIOD == 1s, and then I want to quickly, so I canceled HAL_Delay() (Picture1), But it took a long time to check (Pi...

0693W00000F9wzoQAB.png 0693W00000F9wzKQAR.png
SLEE.6 by Associate II
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I am trying to run vl53l3cx on yocto-linux using ST provided linux driver. The module is loaded and can read register through i2c. However, when I try to start range measurement, I have this error.

root@yocto-linux:~# ./phio -s -Z=1 -S[V]open fd 3 for /dev/stmvl53lx_ranging[V]started status 0[V]keep using fd 3[ 195.463147] STMVL53LX IPP Err in send_client_msg 115 :fail to send data size 608 to pid 1[ 195.463147] [ 195.472822] STMVL53LX IPP Err ...

NChai.1 by Associate
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  • 1 replies
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VL53L1X detect wrong with black object

Hi,I'm building a project that uses 20 VL53L1x sensors to detect any people or objects that go in the danger zone of a machine.The sensor will detect any objects or people below 2 meters distance. We set up the sensor 30cm above the ground.The measur...

HHo.4 by Associate
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  • 1 replies
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Resolved! Allowable vibration levels for time of flight sensors

Has ST done any research into the level of vibration these sensors can safely withstand? I'd like to use these on an application which experiences intermittently high vibration (up to 15m/s^2, mostly parallel to the sensor measurement direction). Acc...

JStra.4 by Associate
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  • 1 replies
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