Aihasd DS3231 RTC AT24C32 IIC Precision Clock Module Storage Module For Arduino

Description

Feature: Note:battery is not include. Module Parameters: 1. Size: 38mm * 22mm * 14mm 2. Weight:. 8g 3. working voltage :3.3 V- 5 .5 V 4. clock chip: high-precision clock chip DS3231 5. clock accuracy within range :0-40 °, accuracy 2ppm, about 1 minute in error 6. with two calendar alarm clock 7. programmable square-wave output 8. Real-time clock generation seconds, minutes, hours, day, date, month and year timing and provide valid until the year 2100 leap year compensation 9. internal chip temperature sensor comes with an accuracy of ± 3 ° 10. memory chips:. AT24C32 (storage capacity of 32K) 11.IIC bus interface, the maximum transmission speed 400KHz (working voltage of 5V) 12. IIC other devices can be cascaded, 24C32 address can be modified by short-circuiting A0/A1/A2, the default address is 0x57 13. with rechargeable battery LIR2032, to ensure the system is powered down, the clock of any course of normal walking Wiring instructions (with Arduino uno r3 for example): SCL → A5 SDA → A4 VCC → 5V GND → GND Package include: 1 X DS3231 RTC AT24C32 IIC Precision Clock Module Storage Module For Arduino