# Not working optical flow sensor

**URL:** <https://discuss.px4.io/t/not-working-optical-flow-sensor/2451>\
**Category:** PX4 Autopilot\
**Created:** [February 14, 2017, 8:55am UTC](https://discuss.px4.io/t/not-working-optical-flow-sensor/2451 "2017-02-14T08:55:14Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![saeidkazemi](https://discuss.px4.io/letter_avatar_proxy/v4/letter/s/b5a626/32.png) [@saeidkazemi](https://discuss.px4.io/u/saeidkazemi)\
**Post date:** [February 14, 2017, 8:55am UTC](https://discuss.px4.io/t/not-working-optical-flow-sensor/2451/1 "2017-02-14T08:55:15Z")

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hi  
is log optical flow sensor  
not working optical flow sensor x and y  
is firmware url : [GitHub - mhkabir/Firmware: PX4 Pro Open Source Autopilot](https://github.com/mhkabir/Firmware/) branch lpe\_flow  
is log url :  
[http://logs.uaventure.com/view/eXibGQKTaFkKKsKfqc7J8U#Local\_X\_PLOT](http://logs.uaventure.com/view/eXibGQKTaFkKKsKfqc7J8U#Local_X_PLOT)