UNIT RTC

SKU:U126

Description

UNIT RTC is a programmable real-time clock module, integrated HYM8563 low-power CMOS real-time clock/calendar chip, using I2C communication interface, full-coverage case can effectively protect the circuit, making its operation more stable. Applicable to a variety of embedded devices, instruments and instruments as a system clock.

Features

  • Support second/minute/hour/day/month/year. time data reading and writing
  • 32.768kHz high-precision clock crystal, greatly reducing the time error
  • Low power consumption, coin battery can work continuously for years
  • With century mark
  • I2C communication interface

Includes

  • 1x Unit RTC
  • 1x Coin cell battery (38mAh)
  • 1x HY2.0-4P cable

Applications

  • Clock, alarm clock
  • Power down time synchronization

Specification

Resources Parameters
Clock chip HYM8563
Crystal Frequency 32.768kHz
Communication interface I2C, addr: 0x51, bus max speed 400Kbps
Power supply voltage 5V DC
Product Size 48 * 24 * 8mm
Package Size 136* 92* 13mm
Product Weight 4.1g
Package Weight 8.3g

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Schematic

schematics

Examples

Arduino

UIFlow

UIFlow Blocks

  • set rtc
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  • get rtc
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  • set alarm
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  • check alarm flag
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  • turn off alarm
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  • check timer flag
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  • turn off timer
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  • disable timer
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  • disable alarm
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  • set timer value
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  • pause timer
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  • resume timer
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Video

  • alarm clock