RTC DS3231M AT24C32 Memory Real Time Clock I2C Module for Arduino AVR UNO ARM PIC
The DS3231M module is an accurate I2C real-time clock (RTC), with an integrated temperature - crystal oscillator (TCXO) and crystal.
Possible queries: seconds, minutes, hours, day, date, month and year.
Date is automatically adjusted, including corrections for leap years.
The clock operates in either the 24-hour AM/PM mode or 12-hour format. The module offers two configurable "alarm clocks" and a calendar.
Address and data are serially transmitted bidirectionally via an I2C bus. A precision temperature-compensated reference voltage and comparator circuit monitors the status of the VCC to quickly detect a power failure.
The IC has an integrated, very precise digital temperature sensor that can be queried via the I2C interface.
Specifications:
Operating voltage: 3.3 to 5.5 V - RTC chip: DS3231M - Clock accuracy 0-40, 2ppm - Calendar with 2 "alarm clock" - Programmable square wave signal output - Eeprom: AT24C32, storage capacity 32K - I2C bus interface, maximum transmission speed of 400 kHz (at VCC 5V) - Can be cascaded with other I2C modules - LIR2032 battery, in the event of a power failure the RTC stand-alone continues to run - Dimensions: approx. 38 x 22 x 15mm (length with pin strip approx. 44mm) - Weight: approx. 8g
Scope of delivery:
1x piece DS3231M RTC module Ready for use
Note: LIR2032 or CR2032 button cell are not included.
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Manufacturer according to GPSR Shenzhen Harztec Technology Co., 309, 3F, Block B, Ganfeng Technology Building 1, No.993 Jiaxian Road, Xiangjiaotang Community, Bantian Street,, 518129 Shenzhen, China, [email protected], https://harztec.com
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