It's All About Air Pressure: An introduction to air pressure and its practical uses. (Unfortunately, the original version of this page has been deleted, so this link is served via the Wayback Machine.) Bosch BMP085 Breakout Board by lady ada, Adafruit. An introduction to using a piezoresis...
(same image as in first post) I have the top and bottom connectors disconnected and only connected the middle connector which feeds the channel strips. With only half the channels fitted (10) my multi meter said only about 100mA was drawn on the +12V and the -12V lines. I retested with...