Add a Real Time Clock (RTC) shield to your Arduino UNO projects to ensure accurate and easy timekeeping...Electronics > Circuit Boards & Components > Printed Circuit Boards > Development BoardsKA07KA07KA07541032959311711.94Quasar Electronics Limitedhttps://quasarelectronics.co.uk/Item/velleman-ka07-rtc-shield-arduino
Add a Real Time Clock (RTC) shield to your Arduino UNO projects to ensure accurate and easy timekeeping. While the shield keeps track of time and date, the controller can focus on other tasks.
Features
based on Maxim-Dallas DS1307 IC
counts seconds, minutes, hours, date of month, day of the week, year and leap-year
12 or 24h system selectable
AM/PM indication
large user community
requires 1 Arduino UNO (not included)
stackable design: the shield can be stacked with other shields
Specifications
I²C interface
accuracy: 20ppm (depends on crystal)
power consumption: 1.5mA
with backup battery holder (500nA when running on battery)
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