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Hello! I had the same problem. I think that my Leddar was configured so that its measurement rate was max. Maybe too many data sent caused troubles... So, I changed 'Accumulation' and 'Oversampling' in order to decrease the measurement rate (see user guide of Leddar Evaluation Kit p28) and it fixed it. To change the configuration, I modified src/leddar/src/leddar.cpp : Search for LeddarSetProperty(Handler, PID_ACCUMULATION_EXPONENT, 0, config.accumulations); and LeddarSetProperty(Handler, PID_OVERSAMPLING_EXPONENT, 0, config.oversampling); I changed config.accumulations by 7 and config.oversampling by 3 so that measurement rate becomes 12.5 Hz. I am looking for a smarter way to configure my Leddar, but it's working for now.