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VL53L3CX distance offset drifts across power cycles

m864cdf4ac
Associate

Hello,

in one of our new devices, we are using the VL53L3CX as a distance sensor, mainly for its small size and I2C connectivity. But we found out that even if we compensate the distance offset, after turning the device off and on again, the compensation is not valid anymore. The variance is in order of millimeters, but sometimes we can get up to 10 mm of difference. The API offset functions just add/subtract value internally. We tested it with the small daughter boards of the X-NUCLEO-53L3A2 and later with own PCBs. Is there a way how to get the distance consistent across power cycles?

 

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