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Digital Compass

 

Dinsmore 1490 Digital Compass

Compass Specifications:

  Power:  5-18 volts DC @ 30 ma

  Inputs:  Earth's magnetic field

  Outputs:  Open collector NPN, sink 25 ma per direction, digital output 1 or 0

  Size:  12.7 mm diameter, 16 mm tall

  Temp:  -20 to +85 degrees C

  Provides 8 headings (N, NE, E, SE, S, SW, W, and NW).

  12 degree tilt with acceptable results

 


Schematic shows digital compass feedback circuit.