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RTC DS3231 DS 3231 + IC AT24C32 Module for Arduino include battery

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Specsification:
-Size: 38mm (length) * 22mm (W) * 14mm (height)
-Operating voltage :3.3 - 5 .5 V
-Clock chip: high-precision clock chip DS3231
-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
-Chip temperature sensor comes with an accuracy of 3
-Memory chips: AT24C32 (storage capacity 32K)
-IIC bus interface, the maximum transmission speed of 400KHz (working voltage of 5V)
-Can be cascaded with other IIC device, 24C32 addresses can be shorted A0/A1/A2 modify default address is 0x57
-With rechargeable battery LIR2032, to ensure the system after power failure, the clock move any natural normal
-Wiring instructions (with Arduino uno r3 for example):

Kelebihan :
1. DS3231 Sangat akurat, atau hanya selisih 1 Menit Pertahun.
2. Dilengkapi dengan Memory sebesar 4KB, yang bisa berguna untuk menyimpan beberapa Jadwal waktu.
3. Identik dengan modul 1307, hanya ini versi lebih baiknya dan lebih sempurna
4. Dilengkapi dengan System I2C
5. Menggunakan IC SMD
6. DS3231 memiliki kristal internal dan rangkaian kapasitor tuning
7. Terdapat pendeteksian suhu