I have a raspberry pi reading mavlink messages from a pixhawk. When I read SCALED_PRESSURE I get hPa values around 490 - less than half of what I would expect - and a temperature around 4834 in cdegC - seems warm to me. This is consistent with what is shown in Mission Planner (see below). Is this normal or is my barometer on the fritz? I am trying to calculate my own altitude like AP_Baro::get_altitude_difference but in a companion computer.…See More
Former aerospace engineer (GE, Lockheed), serial entrepreneur, software developer, caver, kayaker, backpacker, clawhammer banjo player. Currently founder/CEO of Microception, Inc, leading provider of interview room recording systems. Also husband, father, homeowner, beekeeper, blogger (www.beehacker.com), and airstreamer.
Please tell us a bit about your UAV interest
Currently flying APM1 on 550mm HK quad with GPS, sonar, compass, and 3DR radio. Also fly KK2 on Turnigy Talon quad and CC3D on RC Explorer type tri. Have just received FPV hardware.