DS1337 Real Time Clock (RTC)

Wiring diagram for the DS1337 RTC.

Scheme notes:

  • Scheme shows a 555 component but is must be a Ds1337 RTC

  • Crystal must be a 32.768 kHz, directly wired to 1 and 2 pins of DS1337.

  • Pull-up resistances are 10kOhms

  • The real battery is a 3V Li coin battery inside its socket CR2032.

  • Arduino Power is not showed in the scheme