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Technical Details
Dimensions 130mm x 80mm x 10mm
Description
The RTC module is a member of Twig. It is based on the clock chip DS1307 which supports the
I2C protocol. It uses a Lithium cell battery (CR1225). The clock/calendar provides seconds,
minutes, hours, day, date,month, and year information. The end of the month date is
automatically adjusted for months with fewer than 31 days, including corrections for leap year.
The clock operates in either the 24-hour or 12-hour format with AM/PM indicator.
Note: Battery is not included.
Features
Real-Time Clock (RTC) counts seconds, minutes, hours, date of the month, month, day of the
week, and year with Leap-Year compensation valid up to 2100
56-Byte, Battery-Backed, Nonvolatile (NV)RAM for data storage
I2C serial interface
5V DC supply
Programmable Square-Wave output signal
Automatic Power-Fail detect and switch circuitry
Consumes less than 500nA in Battery-Backup Mode with Oscillator Running
Documents
For all Grove users (especially beginners), we provide you guidance PDF documents. Please
download and read through Preface - Getting StartedandIntroduction to Grove before your
using of the product.
Please visit our wiki page for more info about this product. It will be appreciated if you can
help us improve the documents, add more demo code or tutorials. For technical support,
please post your questions to our forum.
Grove - RTC
SKU 101020013
IN STOCK 11 Available
1
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Weight G.W 8g
Battery Exclude
Part List
Grove - RTC 1
Grove Cable 1
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0
alperuzmezler on May 25,2017
How long would the battery last with this device vs high precision box?
Questions and Answers
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ae on May 25,2017 14:06 PM
Hello, the battery can last about 2 years.Thanks.
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