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Thank for your reply LAGSILVA ,can you attach the TinyWireM library that you used for the project? Because with my library the rtc does not respond if I do not set the clock to 1Mhz.Bye.
Thanks for sharing this project, but there are points to be highlighted:to function properly with TinyWireM standard libraries you must set the Attiny85 clock as "Internal 1Mhz".It would be better to use two pullup resistors of 4,7K on pins 5 and 7 of the ATtiny85.
Because you have to burn bootloader in your tiny @8Mhz
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