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Grove - RTC (real-time clock) DS1307 - for Arduino
Grove - RTC (real-time clock) DS1307 - for Arduino
Grove - RTC (real-time clock) DS1307 - for Arduino
Grove - RTC (real-time clock) DS1307 - for Arduino
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Grove - RTC (real-time clock) DS1307 - for Arduino

€6.50 *
Content: 1 Piece

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  • F23106162
  • 0,01 kg
  • 13.75 cm x 8.53 cm x 1.03 cm (L x W x H)
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This RTC module is based on the DS1307 clock chip, which supports the I2C protocol. It uses a... more

This RTC module is based on the DS1307 clock chip, which supports the I2C protocol. It uses a lithium cell battery (CR1225 not included), with which the RTC can store the time for years. 

The clock/calendar provides seconds, minutes, hours, day, date, month and year. The end of the month is automatically adjusted for months with less than 31 days, including corrections for leap years. The clock works in either 24-hour or 12-hour format with AM/PM display. And it is valid up to the year 2100.

The DS1307 has an integrated power sense circuit that detects power failures and automatically switches to battery power. If you only use the primary power, the module may not function normally as the crystal may not oscillate. 

 

Features

  • Full functionality: Real-time clock (RTC) counts seconds, minutes, hours, date of the month, month, day of the week and year with leap year compensation, valid until 2100
  • Power detection: Automatic power failure detection and circuit switching.
  • Longevity: Consumes less than 500 nA in battery backup mode with oscillator running
  • Grove unit connector: The product ensures "plug and play" and can be used in a variety of applications.

 

What is an RTC (Real Time Clock), why do we need RTC for the Arduino microcontroller?

An RTC (Real Time Clock) is a clock that keeps track of the current time and can be used to program actions at a specific time. Arduino and almost all microcontrollers have built-in timers that can run as long as power is present. However, as soon as the power is turned off (either manually or due to a power failure), all timers are reset to 0. It is acceptable to use the internal timer for timing simple projects if you don't mind resetting the timer when the power is off. But for projects such as data loggers, clocks, alarms, where the timer needs to run independently of the external power supply, you need to use an RTC. Almost all RTCs are integrated ICs with low power consumption and can run for many years on a single lithium battery. Currently, the RTC based on the DS1307 real-time clock is one of the most popular RTC modules.

 

Specifications:

  • Dimensions: 130 mm x 80 mm x 10 mm
  • Weight: 10g
  • PCB size: 2.0 cm * 4.0 cm
  • IO structure: SCL, SDA, VCC, GND
  • ROHS: YES
  • VCC: 3.3 ~ 5.5 V
  • Logic high level input: 2.2~VCC+0.3 V
  • Logic low level input: -0.3~+0.8 V
  • Battery voltage: 2.0 ~ 3.5 V

 

Scope of delivery:

  • 1x Grove - DS1307 RTC (real-time clock) for Arduino
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