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Tersedia pilihan tipe RTC berikut :
o RTC DIYMore DS3231SN AT24C32 IIC Precision Module Original o RTC ElektronMart DS3231SN o Chip RTC DS3231SN Philippines o Chip RTC DS3231SN Thailand o RTC Generik DS3231SN o RTC Generik DS3231M
Extremely accurate I2C real-time clock (RTC), with an integrated temperature-compensated crystal oscillator (TCXO) and crystal. The device incorporates a battery input, disconnect the main power supply and maintains accurate timekeeping. Integrated oscillator improve long-term accuracy of the device and reduces the number of components of the production line. The DS3231SN is available in commercial and industrial temperature ranges, using a 16-pin 300mil SO package.
Specification :
o Size : 38mm (length) x 22mm (W) x 14mm (height) o Weight : 8g o Operating voltage : 3.3 - 5 .5 V o Clock chip : High-precision clock chip DS3231SN o Clock Accuracy : 0-40 ° range, the accuracy 2ppm, the error was about 1 minute o Calendar alarm clock with two o Programmable square-wave output o Real time clock generator seconds, minutes, hours, day, date, month and year timing and provide valid until the year 2100 leap year compensation o Chip temperature sensor comes with an accuracy of ± 3 ° o Memory chips : AT24C32 (storage capacity 32K) o IIC bus interface, the maximum transmission speed of 400KHz (working voltage of 5V) o Can be cascaded with other IIC device, 24C32 addresses can be shorted A0/A1/A2 modify default address is 0x57 o With rechargeable battery LIR2032, to ensure the system after power failure, the clock move any natural normal o Packing : single anti-static packaging
Wiring instructions (for Arduino uno r3 for example):