ALMOCN 6PCS DS3231 AT24C32 Clock Module Real Time Memory Board IIC RTC Clock Module for Arduino Without Battery

Parameters: Dimension: 38mm* 22mm * 14mm Working voltage : 3.3 -. 5 .5 V Clock chip: high-precision clock chip DS3231 Clock accuracy within range :0-40 ??, accuracy 2ppm, about 1 minute in error Programmable square-wave output Real-time clock, it can generate seconds, minutes, hours, day, date, month and year, and provide time until 2100, and with leap year compensation. Internal chip temperature sensor comes with an accuracy of ±3°C. Memory chips:. AT24C32 (storage capacity of 32K) IIC bus interface, the maximum transmission speed of 400KHz (working voltage of 5V) Package included: 6 X DS3231 AT24C32 IIC Real Time Modules