SunFounder RTC DS1302 Real Time Clock Module for Arduino and Raspberry Pi

Introduction Adopt the universal 32.768kHz crystal oscillator With a button cell holder for LIR2032 rechargeable Li-ion battery Use three lines (CE, I/O, SCLK) to synchronously communicate with CPU, or have a 3-wire interface; support clock signals or RAM data under a multi-byte mode (burst) 5-Pin anti-reverse cable included Operating temperature: 0°C ~ +70°C Power: less than 1mW (data and clock information stored) ? Application Hand-hold devices Electronic watch Electronic alarm Component List -1 x RTC-DS1302 module -1 x 5-Pin anti-reverse cable