Availability: Out of stock 2-3 weeks
This is the Real Time Clock Shield for the ODROID-C2 / ODROID-C4. Just mount this RTC Shield on the GPIO port of the ODROID to keep the time when your ODROID is offline. A Lithium-coin battery can keep the RTC chip running up to 5~6 years without external power supply.
More information is available on the website of Hardkernel.