If the main power failure, the device can continue to provide accurate timing and temperature, performance is not affected. Clock chip: high-precision clock chip DS3231. Wiring instructions (with Arduino uno r3 for example).
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Ideal for working with Arduino, Raspberry Pi, PIC or any other electronic circuits. Arduino Connections 1 Clock Module (Battery not supplied). Your projects could include an LCD screen (also available from us), storage to an SD card or display on your computer screen.
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Use DS3231SN precision clock chip, built 32.768 crystal. The pull-up resistor R1 R2 own welding on the I2C bus. You can output 1Hz signal, a second output signal.
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For Raspberry Pi foreign high-precision Clock module DS3231. Battery backup for continuous timing. Complete clock calendar features include seconds, minutes, hours, weeks, dates, months, and years, and provide a leap year compensation valid until 2100.
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Easy to use: The module is small in size, easy to install, convenient to use, suitable for various timing needs, and can be quickly operated without professional skills.
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◆If there are no special circumstances, your product will not be delayed in arrival.
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