Me and my collegues have slight problem with QGC and MP recognizing airspeed sensor. It was working completely fine but recently, after a long break, we wanted to flight our plane and calibrate airspeed sensor but neither QGroundControl nor Mission Planner could not find airspeed sensor. It is connected to I2C bus on Pixhawk unit.
Does anybody know what could be the problem ? Is it possible we have to somehow switch the I2C bus “on” in order to connect sensor or what else we can do ? If it is so, how can we do that ?
Cable from sensor to pixhawk is little bit longer but it did work before so we excluded this as a problem. We also measured voltage across ports and there was approximately 5V so the signal seems to go trought cable.
Thank you for your answers.