Barometer Pressure Module HOPE HP03

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  1. - 10th June 2009, 16:03 #5
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    dhouston
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    Quote Originally Posted by Bill Legge View Post
    1. The normal I2C clock is the SCL pin - and I agree it is driven by the PIC MCU. The 32768 Hz is needed by the MCLK pin and does something for the A to D process.
    In this case I'm sure you can use separate clock sources - there's no reason why the ADC clock would need to be synced with the MCU clock. You can probably use the 16F88's PWM to supply the ADC clock. It would simplify things to run the PIC at 3.3V.

    How much does the sensor cost? Where can you buy them?
    Last edited by dhouston; - 10th June 2009 at 16:06.
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