DS1302 Real Time Clock Module for
Arduino Uno Description: 31 x 8 RAM for scratchpad data storage Serial I/O interface for minimum pin count
Wide Working Voltage: 2.0 ~ 5.5V Single-byte and multi-byte transmission for clock or RAM data read / write TTL-compatible (Vcc=5V)
Working Temperature: 0 to +70 Deg C 32.768KH z crystal oscillator Equipped with a 260mAh CR2032 button battery, not rechargeable
Overall Size: Approx. 44 x 23 x 11mm
Wiring: Vcc - +5V / 3.3V GND - GND CLK - P01 DAT - P02 RST -
P00 Note: Do not reverse VCC and GND, or it will cause damage It requires a pull-up resistor for P0 port of 51 MCU, if without, you can connect the data cable to other terminal
Package included: 1 x DS1302 Real Time Clock Module