I am working in adapting a PNI compass to the handyboard. And I have a 6500 sonar board connected to the expansion board, here's my idea: Use a Lithium 3.6V battery to save calibration settings after poweroff M/S is jumper selectable Calibrate is (...) (24 years ago, 17-Sep-00, to lugnet.robotics.handyboard)
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