ujda

Member Since: October 22, 2011

Country: United States

  • Product BOB-10160 | about 2 years ago

    EOSC bit was set to 1, please read page 10 and 12 of DS3234 datasheet.

    You can alter EOSC bit by sending command to address 8Eh something like this:

    digitalWrite(cs, LOW); SPI.transfer(8Eh); SPI.transfer(00011100b);
    digitalWrite(cs, HIGH);

  • Product BOB-10160 | about 2 years ago

    Must use 3.3v VCC, instead of 5.0v VCC used in the above Example Sketch, otherwise square wave output doesn’t work.
    Must use SPI_MODE3, instead of Mode 1, otherwise one line correct time, followed by one line 00/00….

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