Item #:
137175510
ZS042 DS3231 AT24C32 IIC High Precision RTC Clock Timer Memory Module Arduino
Item #:
137175510
CZK 828
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The DS3231 is a low-cost, extremely accurate I2C real-time clock (RTC), ensuring precise timekeeping even during power failures.
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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 Precision
The ZS042 module offers exceptional timekeeping accuracy, making it ideal for applications requiring reliable and precise timing, thereby minimizing errors in time-dependent processes.
I2C Communication
Utilizing I2C protocol, this module ensures easy integration with Arduino and other microcontrollers, simplifying the connection process and enhancing compatibility across various projects.
Built-in Memory
With integrated AT24C32 EEPROM, the device supports ample data storage for user configurations and timekeeping data, providing a versatile solution for a range of advanced applications.
Product Details
| Brand | Unbranded/Generic |
| Model | DS3231 module |
| MPN | DS3231 module |
| Country of Origin | China |
| UPC | Does not apply |
| Item Weight | 0.1 lbs (50 grams) |
Who Should Buy?
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Embedded Developers
Ideal for developers creating time-sensitive applications requiring accurate real-time clock functions in embedded systems.
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Hobbyist Projects
Perfect for hobbyists looking to enhance their Arduino projects with accurate timekeeping and memory functions.
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IoT Applications
Suited for Internet of Things projects needing reliable, precise time management for data logging and scheduling.
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Non-Tech Users
Not suitable for users without technical expertise since it requires coding for integration and usage.
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Advanced Timekeeping Needs
May fall short for users needing ultra-high precision timekeeping beyond the module's specifications.
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Basic Clock Applications
Overkill for simple clock functions where advanced features are unnecessary, leading to potential overspend.
Product Description
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Customer Questions & Answers
-
Question:
What is the accuracy of the DS3231 clock?
Answer: The DS3231 provides an accuracy of ± 2ppm within the range of 0-40 °C. -
Question:
Does it operate during power failures?
Answer: Yes, it incorporates a battery input that maintains accurate timekeeping during power outages. -
Question:
What is the operating voltage for the DS3231?
Answer: The module operates within a voltage range of 3.3 to 5.5 volts.
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Mohd
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“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
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Shawati
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“Accurate delivery timing given”
16 June 2026 · via Trustpilot
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Youcef
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“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
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6/7/2026 · via Trustpilot
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Kwame
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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
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CZK 828
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Features & Benefits
- Low-cost and highly accurate real-time clock module.
- Maintains time even during power outages using a backup battery.
- Features a built-in digital temperature sensor for accurate readings.
- Configurable alarm clock and a programmable square-wave output.
- Operates in both 24-hour and 12-hour formats alongside leap year compensation.
- Easy integration via I2C bus interface with a maximum speed of 400KHz.
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