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WayinTop 2pcs DS3231 AT24C32 IIC RTC Clock Module Real Time Clock Module for Arduino Raspberry Pi

4.5 out of 5 stars 54 ratings

Price: $42.39
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Enhance your purchase

  • 【Real Time Clock Chip】The DS3231RTC is used as a real time clock chip which keeps the time running even if the main power supply is off (with the help of a battery).
  • 【Complete Clock Calendar】Functionality Including Seconds, Minutes, Hours, Day, Date, Month, and Year, with Leap-Year Compensation Up to Year 2100.
  • 【Extremely Accurate】DS3231 16-pin memory chips - AT24C32 ,extremely accurate I2C real-time clock (RTC), with an integrated temperature-compensated crystal oscillator (TCXO) and crystal.
  • 【Two programm】Provides programmable time-of day alarms and a calendar can be set to a square wave output. Address and data are transferred serially through an I2C bidirectional bus.
  • 【Safe Enough】A precision temperature-compensated voltage reference and comparator circuit monitors the status of VCC to detect power failures, provide a reset output. In addition, RST pin is monitored as generating a μP reset.

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Frequently bought together

  • WayinTop 2pcs DS3231 AT24C32 IIC RTC Clock Module Real Time Clock Module for Arduino Raspberry Pi
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Product description

WayinTop: Your Top Way to Inspiration.

Specifications:
1. Dimension: 38mm* 22mm * 14mm
2. Weight: 8g
3. Working voltage: 3.3--5.5V
4. Clock chip: High-precision clock chip DS3231
5. Clock accuracy: 0-40 ℃, 2ppm accuracy, annual error is about 1 minute
6. With 2 calendar alarm clocks
7. Programmable square wave output
8. Real-time clock, it can generate seconds, minutes, hours, day, date, month and year, and provide time until 2100, and with leap year compensation.
9. The chip comes with a temperature sensor with an accuracy of ± 3 ℃
10. Memory chip: AT24C32 (storage capacity 32K)
11. IIC bus interface, the maximum transmission speed is 400KHz (when the working voltage is 5V)
12. Can be cascaded with other IIC devices. The 24C32 address can be modified by shorting A0 / A1 / A2. The default address is 0x57.
13. With battery CR2032, to ensure that the clock still moves normally after the system is powered off.

Package Included:
2 x DS3231 AT24C32 IIC RTC Real Time Clock Module


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4.5 out of 5 stars
4.5 out of 5
54 global ratings
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TheRickster
4.0 out of 5 stars Awesome RTD! Have purchase many, but caution! There can be a problem with these.
Reviewed in the United States on 13 August 2020
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4.0 out of 5 stars Awesome RTD! Have purchase many, but caution! There can be a problem with these.
Reviewed in the United States on 13 August 2020
I have been using the DS3231 RTC chip and board for years. Inexpensive, easy to use, very powerful, and very accurate. There is one thing to be aware of that I discovered the hard way. The on-board battery is constantly being charged by 5VDC through a 2k resistor and diode. This ckt. also feeds the BATTERY pin on the DS3231 IC. If, like me, you are not using a rechargeable battery, the battery will be damaged after a while, and could damage the board. This happened to me with one of my early designs, and took out the ckt board along with the battery. I removed the 2k resistor (see picture) from the board and all is well. Not all boards have this charging ckt, my first design has been running for years w/o problems, so check the one you receive. When researching this, I found no mention anywhere of using a rechargeable battery with this board.
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Amazon Customer
5.0 out of 5 stars Good timing!
Reviewed in the United States on 19 June 2021
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Robert Sink
5.0 out of 5 stars Great Time and Date Sensors
Reviewed in the United States on 4 August 2020
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One person found this helpful
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Danielle
5.0 out of 5 stars Ease of use
Reviewed in the United States on 24 March 2021
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Amazon Customer
1.0 out of 5 stars DS3231M
Reviewed in the United States on 8 June 2021
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