Thank you for your prompt reply.It’s my fault,
because after I installed px4 firmware and I found my firmware still is old firmware (ardupilot) which I don’t know why? but I install px4 firmware again ,it’s work for me.
Thank you for your prompt reply.It’s my fault,
because after I installed px4 firmware and I found my firmware still is old firmware (ardupilot) which I don’t know why? but I install px4 firmware again ,it’s work for me.