Arduino Mega 2560 Board. MS5607 Altimeter. Here is the data sheet for this device. Pages 8 and 9 are what I'm using. Very nicely laid out.. http://www.jameco.com/Jameco/Products/ProdDS/2150230.pdf I am having immense problems with getting the correct pressure. Pressure is coming out as negative. …

Improper Pressure Number from MS5607 Device

system April 12, 2014, 7:23am 5

michinyon:
Do 64 bit ints really work ?

yes,.
Why wouldn't they?