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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. Pin spacing 22.86mm.
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◆If there are no special circumstances, your product will not be delayed in arrival.
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Brand Unbranded/Generic Model DS3231 AT24C32 MPN DS3231 AT24C32 UPC Does not apply .
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•Part of second-hand products will have obvious scratches on the surface.
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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. Import Duties.
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Notice: 1. ◆If there are no special circumstances, your product will not be delayed in arrival.
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