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If the main power failure, the device can continue to provide accurate timing and temperature, performance is not affected. 4 clock chip: high-precision clock chip DS3231. Wiring instructions (with Arduino uno r3 for example).
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Can be cascaded with other IIC device. The clock operates in either the 24 hours or band / AM / PM indication of the 12-hour format. If the main power failure, the device can continue to provide accurate timing and temperature, performance is not affected.
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This module can adapt itself 3.3V and 5V systems without level conversion, very convenience. Reset button debounced input and output. Complete clock calendar functions which include seconds, minutes, hours, date, month and year.
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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. Pin spacing 22.86mm. Color: Blue.
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This module can adapt itself 3.3V and 5V systems without level conversion, very convenience. Reset button debounced input and output. Complete clock calendar functions which include seconds, minutes, hours, date, month and year.
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Der 24C32N-Speicherchip speichert diese wichtigen Daten. Exklusives Feature: Bei Verlust der externen Spannungsversorgung hält eine CR2032-Knopfzelle die Spannung und die Zeit wird - wie im echten Leben - einfach weiterlaufen.
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