PosHold and MB1240 XL-MaxSonar®-EZ4


Does MB1240 XL-MaxSonar works on PosHold mode?
Just ordered one and i am a bit confused about that.

Also can some one please confirm i follow the right steps?

  1. coolcomponents.co.uk/ultras … l-ez4.html

  2. ebay.co.uk/itm/130489990179

  3. ebay.co.uk/itm/301127346594

  4. 3_wire shielded cable.

  5. ADC3.3V connector for use in between pixhawk-cable-sensor.

  6. copter.ardupilot.com/wiki/common … ix-analog/

step 2&3 is for the filter needed to the power line as founded here:


Thank you.

I believe the sonar is only active in loiter and alt hold.