"Well its not a problem with the adresses. Because, yesterday the lidar was powered throug separate BEC and Optflow via 3.3V on I2C. And it worked as I described it above. Today i tried to power lidarlite through Pixhawk mini 5v output on rc…"

"Hello. 
I have this problem and i am not alone, however i cannot find a solution.
I have 3dr pixhawk mini - PX4Flow - LidarLite V3.
On pixhawk i run the firmware 3.5.0 - rc11, because previous versions are not working with my pixhawk mini.
Because…"

"And ESC firmware please"

"Is it possible you use an opto ESCs?"

"Hello...have you founf out something? I have similar intensions and i have no idea how to do it. When i want to connect arduino with i have to provide arduino with IO firmware.right? so how can i read data from board, which doesnt have firmware…"