Use DS3231SN precision clock chip, built 32.768 crystal. The pull-up resistor R1 R2 own welding on the I2C bus. hope you could understand.
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Raspberry Pi DS3231 foreign high precision clock module. The module itself can be adapted to 3.3 V and 5 V system, no level conversion, it is super convenient! Two calendar clock. High speed (400 KHZ) the I2C serial bus.
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Raspberry Pi DS3231 foreign high precision clock module. Reset the output and input button to tremble. Two calendar clock. The module itself can be adapted to 3.3 V and 5 V system, no level conversion, it is super convenient!
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1 x DS1302 RTC. 3-wire interface compatible with TTL VCC = 5V.
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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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DS1307 RTC Real Time Clock Module For Arduino Raspberry Pi ESP And Many More Brand: Unbranded Unit Type: Unit MPN: DS1307 Country/Region of Manufacture: China Unit Quantity: 1 ÃÂ÷ ÃÂ÷ ÃÂ÷ DESCRIPTION ÃÂ÷ ÃÂ÷ ÃÂ÷ The DS1307 I2C RTC module is a compact and efficient solution for adding real-time clock functionality to microcontroller-based projects. Key Features: Real-Time Clock (RTC): DS1307 chip for accurate timekeeping with hours, minutes, seconds, and AM/PM indication. Date and Year: Supports day, month, date, and year display with leap year compensation. Non-Volatile Memory: 56 bytes of non-volatile memory for data retention. 1Hz Output Pin: Provides a 1Hz clock signal for micr .
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This temperature sensor accuracy is ± 3. 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.
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