RTC Interface

Rhino Pi A1 includes an on-board RTC interface for installing a backup battery.

Recommended battery: CR1632X (120mAh@3V)

Hardware Connection

Install the CR1632X battery into the Rhino Pi A1 RTC interface. Pay attention to the positive and negative terminals during installation.

tip

Refer to the Hardware Information guide to locate the interface.

Using RTC

• Display system time

Use the date command to display the current system time.

date

• Write system time to hardware clock

sudo hwclock --systohc

• Display hardware clock

sudo hwclock

Verify RTC Function

Record the current system time, then disconnect the mainboard power and network, wait about 10 minutes, then reconnect power, and observe if the system time is counting normally.