Jun 24, 2012
DeadOn DS3234 real time clock breakout
DS3234 is also a real time clock IC. It uses SPI to communicate while DS1307 does with I2C. There is a Arduino library for DS3234 to provide simple methods to set and read time. You can purchase DeadOn DS3234 RTC Breakout from Sparkfun.
The components you need:
- DeadOn Real time clock DS3234 Breakout
- 22pF capacitor
- 10K resistor
- Battery Holder CR20xx x 1 for a button cell
- Button cell (Lithium Battery) 3V Ø 20 x 2,5 mm
- Arduino
