4X DS3231 AT24C32 IIC Module Precision Clock Module Memory 3.3V/5V Temperature Sensor Portable Module

1. Other Iic DeVices Can Be Cascaded. The 24C32 Address Can Be Modified By Short-Circuiting A0/A1/A2. The Default Address Is 0X57 2. Battery Model Required:Cr2032 To Ensure That The Clock Will Still Run Normally After The System Is Powered Off. 3. Working Voltage:3.3-5.5V 4. Clock Chip:High-Precision Clock Chip DS3231 5. Clock Accuracy:Within The Range Of 0-40℃, Accuracy 2ppm, Annual Error Of About 1 Minute 6. With calendar alarm function 7. Programmable Square WaVe Output 8. The Real-Time Clock Generates Seconds, Minutes, Hours, Day Of The Week, Date, Month And Year, And ProVides Leap Year Compensation Valid Until 2100. 9. The Chip Has Its Own Temperature Sensor With An Accuracy Of ±3°C. 10. Memory Chip:At24c32 (Storage Capacity 32k) 11. Llc Bus Interface, High Transmission Speed 400khz (When The Working Voltage Is 5V) Wiring instructions (taking for ARDUINO UNO R3 as an example): SCL-A5 SDA-A4 VCC-5V GND-GND Note:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Colour:As Shown Material:PCB Package Contents: 4 x DS3231 Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.