You might also want to look at the BMP085. I've been using one very successfully to read altitude. There's a tutorial located here: Overview | Bosch BMP085 Breakout Board | Adafruit Learning System.
Mitch
You might also want to look at the BMP085. I've been using one very successfully to read altitude. There's a tutorial located here: Overview | Bosch BMP085 Breakout Board | Adafruit Learning System.
Mitch