keyestudio DS3231 Clock Module for Arduino

$4.50

Availability: In stock

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Product Description

WIKI: http://wiki.keyestudio.com/index.php/Ks0039_keyestudio_DS3231_Clock_Module

Video: http://www.keyestudio.com/wp/2016/05/ks0039-keyestudio-ds3231-clock-sensor/

Introduction

DS3231 is equipped with integrated TCXO and crystal, which makes it a cost-effective I2C real time clock with high precision. The device carries a battery input, so if you disconnect the main power supply, it can still maintain accurate timing. The integrated oscillator ensures the long-term accuracy of the device and reduces the number of components. DS3231 provides both commercial and industrial temperature range and supports 16 pins small-outline package (300mil). The module itself can adapt to the system of 3.3V and 5V without level switch, which is quite convenient!

Specification

Temperature range: -40 to +85; Timing accuracy : ± 5ppm (±0.432 seconds / day)
Provide battery backup for continuous timing
Low power consumption
Device package and function compatible with DS3231
Complete clock calendar function contains seconds and minutes, hour, week, date, month, and year timing and provides leap year compensation until 2100.
Two calendar clock
Output: 1Hz and 32.768kHz
Reset output and Input Debounce of Pushbutton
High speed  (400kHz), I2C serial bus
Supply voltage: +3.3V to +5.5V
Digital temperature sensor with a precision of±3℃
Working temperature: -40 ~ C to +85 ~ C 
 16 pins Small Outline Package (300mil)
Certified by American Association of Underwriters Laboratories (UL) 
Size: 30*20mm
Weight: 4g

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