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HM55B Compass module with 3.3 volt power supply — Parallax Forums

HM55B Compass module with 3.3 volt power supply

danldanl Posts: 1
edited 2009-06-25 00:38 in Accessories
All the other parts of my project run on 3.3 volts and the compass chip does. Can I power the module with 3.3 volts? If so, how would I do it?

Thanks

Comments

  • Mike GreenMike Green Posts: 23,101
    edited 2009-06-25 00:38
    No

    The HM55B has a built-in 3.3V regulator that requires around 1.2V above that for a supply voltage. There's no access to the 3.3V output of the voltage regulator.
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