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- 100% brand new and high quality.
- DS3231 precision RTC clock memory module for Arduino Raspberry Pi.
- Low-cost, extremely accurate I2C real-time clock(RTC), with an integrated temperature-compensated crystal oscillator(TCXO) and crystal.
- ±3℃ accuracy digital temperature sensor.
- Two calendar alarm. Complete clock calendar functions and provide valid until the year 2100 leap year - Size: 38 x 22 x 14mm/1.5 x 0.9 x 0.6inch
- Timing accuracy: ± 2ppm, the error was about 1 minute per year
- Operating voltage: +3.3V to +5.5V
- Temperature range: 0 ℃ to +40 ℃
- Clock chip: DS3231
- Memory chips: AT24C32 (storage capacity 32K)
- Battery: CR2032 (not included)
- 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 - SDA → A4
- VCC → 5V
- GND → GND
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1 Piece DS3231 Real Time Clock Module