RTC I2C DS1307 clock + 24C32 memory module for arduino with battery

Module parameters:

•  Operating voltage :4.5 - 5 .5 V
• 
•  clock chip: high-precision clock chip DS1307
•  Clock Accuracy :0-40 ° range, the accuracy 2ppm, the error was about 1 minute
•  calendar alarm clock with two
•  programmable square-wave output
•  Real time clock generator seconds, minutes, hours, day, date, month and year timing and provide valid until the year 2100 leap year compensation
•  memory chips: AT24C32 (storage capacity 32Kbit = 4Kbyte)
• I2C bus interface, the maximum transmission speed of 400KHz (working voltage of 5V)

Wiring instructions (For Arduino uno r3 for example):

https://forum.arduino.cc/index.php?topic=177297.0

SCL → A5
SDA → A4
VCC → 5V
GND → GND



1 X DS1307+ 24C32 (PCB)
1 X battery CR2032

*

*

*