Build a #datetime Real Time Clock Circuit Arduino RTC Module with a I2C DS1307 Chip ic
interfacing and testing with #arduino uno and RTCLib arduino ide #library
Parts List:
1x I2C DS1307 RTC IC
1x 32.768 Khz Crystal Oscillator
1x CR2032 Button Cell Coin Battery Holder
1x 3v Lithium CR2032 Button Cell Coin Battery
2x 10k ohm resistor

part 2 = [ Ссылка ]

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