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Holdding DS3231 AT24C32 IIC Module Precision Real Time Clock Memory Module Arduino/Precise Time Clock Module with a Temperature-compensated Crystal Oscillator
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About Holdding DS3231 AT24C32 IIC Module Precision Real
Specification: Size: 38 x 22 x 14mm Weight: 8g Temperature accuracy: 3 C Maximum transmission speed: 400KHz (working voltage of 5V) Feature: Low-cost, accurate I2C real-time clock (RTC) module with a temperature-compensated crystal oscillator (TCXO) improving long-term accuracy Precise temperature sensor, through the I2C interface for access Rechargeable battery LIR2032, maintaining accurate timekeeping without main power Automatically adjusted including corrections for leap year Calendar alarm clock with two programmable square-wave output Generating seconds, minutes, hours, day, month and year timing till 2100 Cascaded with other IIC device, 24C32 addresses can be shorted A0/A1/A2 modify default address is 0x57 Rechargeable battery LIR2032, preventing the system from power failure Wiring instructions (with Arduino uno r3 for example): SCL→A5 SDA→A4 VCC→5V GND→GND Package included: 1x DS3231 AT24C32 IIC module
