Velleman KA07 RTC SHIELD FOR ARDUINO® Supplied in Kit Form
Add a real time clock shield to your projects to ensure accurate and easy timekeeping. While the shield keeps track of time and date, the controller can focus on other tasks.
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
large user community
requires 1 Arduino UNO™ (not included)
stackable design: the shield can be stacked with other shields
accuracy: 20ppm (depends on crystal)
power consumption: 1.5mA
with backup battery holder (500nA when running on battery)
dimensions: 68 x 53mm / 2.67 x 2.08"