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

VL6180X range measurement issue

Hello,I have following issue.For distance 0 mm - 60 mm the result of range measurement is always the same (0x20)step by step code:GPIO0 set High.Range measurement start: write 1 to reg 0x0018Wait 100msRead range status: read register 0x004DRead range...

MChla.1 by Associate
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  • 2 replies
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Resolved! VL53L0X AVDD voltage

Hi everyone,I was wondering if it is possible to supply my VL53L0X with a 3V3 voltage?According to the datasheet, the 3V3 respects the recommanded operating condition.But when I look for example board from ST or other vendors, there is always a conve...

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Deadror by Associate
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  • 4 replies
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VL531L1 measurements always FF.

I have rewritten the C app for the VL531 in LAIRD SmartBasic in order to drive the VL531 from a BT module (BL652). I communicate OK with the VL531 over I2C but when I sent the start command (and after I get a Data Ready from register 0x31 as shown be...

Resolved! Can we measure the frequency of the beam (VL53L0X) ?

Hello Guys,I hope you all are doing well.I am working on a project that with the VL53L0X ToF Sensor and ESP modules.The sensor works great and i am trying to get deeper into its reads because what i need.I am trying to build a frequency meter using t...

SSilv by Associate
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  • 7 replies
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Could not receive the true unswer from VL53L1

Gentlemen! Sorry for bothering you.I try to use VL53L1 with the Light Driver. The power level is 3.0 V, so I changed the Initialization data array, cell 0x2E from 0x00 to 0x01 and cell 0x2F from 0x00 to 0x01. I wait for the Device ready (SensorState ...

niltec by Associate II
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  • 4 replies
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Problems calibrating VL53L0X ToF distance sensor (VL53L0X_perform_offset_calibration, VL53L0X_perform_xtalk_calibration). bug?

RoutineVL53L0X_perform_offset_calibration from src/core/src/vl53l0x_api_calibration.cpp is giving strange results. By my opinion the problem is in uint16_t sum_ranging which should be of type uint32_t due to later bit shifting (<<16), which needs to ...

GPodr.1 by Associate II
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  • 3 replies
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