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5PCS DS3231 Real Time Clock Module RTC Sensor High Precision AT24C32 IIC Timer Alarm Clock for Arduino Raspberry Pi

4.7 out of 5 stars 30 ratings

Price: $29.50 + $7.64 Delivery
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  • Voltage: 3.3-5V, Memory chips: AT24C32 (storage capacity 32K)
  • Document link: http://tronixlabs.com/breakout-boards/real-time-clock/ds3231-real-time-clock-module/
  • About battery type: Battery is not included, you can use CR2032 or LIR2032 battery
  • Feature: The DS3231 is an RTC IC developed by Maxim Integrated. It is a low cost, extremely accurate RTC IC with communication over I2C Interface. An interesting feature of DS3231 RTC IC is that it has integrated crystal oscillator and temperature sensor and hence you don’t have to connect an external crystal.
  • Clock chip: high-precision clock chip DS3231(there are 3 different chips for this clock module, DS3231N,DS3231SN and DS3231M, we send it by randomly.

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Product Information

Technical Details

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Frequently bought together

  • 5PCS DS3231 Real Time Clock Module RTC Sensor High Precision AT24C32 IIC Timer Alarm Clock for Arduino Raspberry Pi
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Product description

Size: 38mm (length) * 22mm (W) * 14mm (height)
Operating voltage: 3.3-5V
Clock chip: high-precision clock chip DS3231(there are 3 different chips for this clock module, DS3231N,DS3231SN and DS3231M, we send it by randomly.
Clock Accuracy: 0-40 ℃ range, the accuracy 2ppm, the error was about 1 minute
Calendar alarm clock with two
Programmable square-wave output
Real time clock generator seconds, minutes, hours, day, date, month and year timing and provide valid until the year 2100 leap year compensation
Chip temperature sensor comes with an accuracy of ± 3 ℃
Memory chips: AT24C32 (storage capacity 32K)
IIC bus interface, the maximum transmission speed of 400KHz (working voltage of 5V)
Can be cascaded with other IIC device, 24C32 addresses can be shorted A0/A1/A2 modify default address is 0x57

Pin Description:
32KHz:32KHz output
SQW:Active LOW Interrupt or Square wave output
SCL:Serial Clock Input
SDA:Serial Data I/O
VCC:DC Power Pin
GND:Ground

Connection (with Arduino uno r3 for example):
SCL → A5
SDA → A4
VCC → 5V
GND → GND

Package Includes:
5 X DS3231 Clock Module (Battery is NOT included)


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4.7 out of 5 stars
4.7 out of 5
30 global ratings
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Top reviews from other countries

James
5.0 out of 5 stars Working great so far!
Reviewed in the United States on 9 March 2021
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Robert McHugh
5.0 out of 5 stars All worked correctly, a GOOD clock module
Reviewed in the United States on 13 July 2021
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vceSD
1.0 out of 5 stars Not Accurate
Reviewed in the United States on 24 May 2020
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3 people found this helpful
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C. Bohnert
5.0 out of 5 stars Modules have different version chips.
Reviewed in the United States on 25 November 2019
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5.0 out of 5 stars Modules have different version chips.
Reviewed in the United States on 25 November 2019
All five modules worked fine in my project but I only required the 1Hz square wave output. Be aware that of the five modules received, two (2) had DS3231M chips and three (3) had DS3231SN chips. The “M” variety do not allow you to modify the square wave ( SQW) output. If this isn’t an issue for your project, have fun!
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One person found this helpful
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Guidry
5.0 out of 5 stars Helpful Addition to Electronics Set
Reviewed in the United States on 10 December 2019
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5.0 out of 5 stars Helpful Addition to Electronics Set
Reviewed in the United States on 10 December 2019
I needed a clock chip for an Arduino project to keep the time. I'm not great at programming but there are lots of videos and guides out there to help out. The product works as expected. I would buy it again.
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