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DS3231 is a low-cost, extremely accurate I2C module real time clock (RTC) with an integrated temperature-compensated crystal oscillator (TCXO) and crystal. Use in commercial and industrial applications 16-pin 300 miles.

The RTC provides seconds, minutes, hours, day, date, month and year. Functions: Less than 31 days, the date of termination, a correction for the leap year. AM / PM. Two configurable alarms, and a calendar. Addresses and data are transmitted through I2C bus.

Module Parameters:
Size: 38mm (length) * 22 mm (W) * 14 mm (height)
Weight: 8g
Operating voltage :3.3 - 5 .5 V
Chip: high-precision clock DS3231
Accuracy :0-40 ℃ range, precision 2 ppm
Memory chip: AT24C32 (storage capacity 32k)
IIC interface, the maximum transmission speed of 400KHz (5V)
Can be cascaded with other IIC devices, 24 C 32 A0/A1/A2, the default address is 0x57
Battery LIR2032, to ensure the fuses during a power failure
Example for wiring (Arduino uno r3):
SCL → A5
SDA → A4
VCC → 5V
GND → GND
Included
1.Module DS3231 (tested, anti-static packaging )
Note: not include the battery type 2032

FAQ

Jak zjistím adresu I2C zařízení?

Koukněte na náš článek na návodech, kde je tato problematika popsána.

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