ROBOTMAK3RS Blog

It used to be there were very few ways to sense air pressure with the NXT… but over time a number of different companies have come out with third party pressure sensors for the NXT. It’s something that I’ve been interested in for a while: I’ve used pressure sensors for determining altitude during hikes, monitoring high-altitude balloon flights, technical geyser investigations, and lots of other things… so it seems natural to try to compare some of the sensors currently out there in the NXT market. Warning – this is my own personal testing and opinions. It may be wrong. And in the interest of full disclosure, most of these companies have been extremely helpful to me by providing sensors to test and responding to feedback… but still, this is as closeas I can come to an unbiased position. I have pressure sensors from four companies currently: HiTechnic, Vernier, Mindsensors,and Dexter Industries. All of them interface easily with the NXT, using NXT-G blocks, NXC code, or other drivers. Mo...