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2PCS DS3231 ZS042 IIC RTC Clock Timer Memory Module For Arduino Replace DS1307
The DS3231 RTC module is designed for precision timekeeping and temperature monitoring, making your projects smarter and more efficient.
2PCS DS3231 ZS042 IIC RTC Clock Timer Memory Module For Arduino Replace DS1307
Item #: 84018975

2PCS DS3231 ZS042 IIC RTC Clock Timer Memory Module For Arduino Replace DS1307

Item #: 84018975

HKD 152

Price Details

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*All items will import from US

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The DS3231 RTC module is designed for precision timekeeping and temperature monitoring, making your projects smarter and more efficient.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

High Accuracy
The DS3231 module boasts superior timekeeping accuracy thanks to its integrated temperature-compensated crystal oscillator, ensuring reliable performance for precision projects.
I2C Interface
Equipped with an I2C interface, this module simplifies connections and communication with Arduino, making it user-friendly and ideal for quick integration into various projects.
Battery Backup
Features a built-in battery backup that allows continuous timekeeping even during power outages, ensuring your projects maintain accurate timing without interruptions.

Product Details

Shop 2PCS DS3231 ZS042 IIC RTC Clock Timer Memory Module For Arduino Replace DS1307 online at a best price in Hong Kong. 132475473285
Item Weight0.2 lbs (90 grams)

Who Should Buy?

Suitable For
  • Arduino Enthusiasts

    Ideal for hobbyists looking to enhance their Arduino projects with accurate real-time clock functionality.

  • Time-Sensitive Applications

    Perfect for projects requiring precise timing, such as data logging or time-based control systems.

  • Students Learning Electronics

    Great for students exploring electronics and programming, providing hands-on experience with real-time clock modules.

Not Suitable For
  • High-Precision Systems

    Not suitable for applications needing extremely high accuracy, as minor drift may occur over time.

Product Description

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Customer Questions & Answers

  • Question: What is the maximum transmission speed of the DS3231?

    Answer: The maximum transmission speed is 400KHz when operating at 5V.
  • Question: How long will the DS3231 maintain accuracy without external power?

    Answer: The DS3231 can maintain accurate time and temperature as long as its backup battery is operational.
  • Question: What is the size and weight of the DS3231 module?

    Answer: The module measures 38mm x 22mm x 14mm and weighs 8g.

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“Good product, and smooth delivery!”

18-Jul-26 · via Trustpilot
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“Great products and services”

17 April 2026 · via Trustpilot
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6 July 2026 · via Trustpilot
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“Great product, good packing, the goods arrived quickly and well protected.”

6 June 2026 · via Trustpilot
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