DS1302 Real Time Clock Module with Battery CR2032

A Real Time Clock Module with battery backup using the easy to use DS1302 chip. The DS1302 chip uses a simple serial interface and example code
is available for Arduino, Raspberry Pi and many others.
• Real-Time Clock Counts Seconds, Minutes, Hours, Date of the Month, Month, Day of the Week, and Year with Leap-Year Compensation Valid Up to 2100
• Serial I/O for Minimum Pin Count • 2.0V to 5.5V Full Operation • Uses Less than 300nA at 2.0V • Single-Byte or Multiple-Byte Data Transfer for Read or
Write of Clock or RAM Data