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Upgrade your time‑keeping projects with the DS3231 Precision RTC Module featuring an integrated AT24C32 EEPROM and built‑in temperature sensor. Designed for seamless I2C communication, this compact module delivers unparalleled accuracy for Arduino, STM32, ESP32, and other microcontroller platforms, making it the perfect choice for data loggers, weather stations, and any application that demands reliable real‑time clock performance.
Key Highlights
- High‑precision DS3231 RTC with ±2 ppm accuracy (≈1 minute per year)
- Integrated 32 KB AT24C32 EEPROM for non‑volatile data storage
- On‑board temperature sensor for compensation and environmental monitoring
- Simple I2C interface (SDA, SCL) – no additional libraries required
- Wide operating voltage: 3.3 V – 5.5 V, compatible with Arduino, STM32, ESP32, Raspberry Pi, and more
- Low power consumption – ideal for battery‑powered and remote deployments
- Compact 20 mm × 20 mm board with screw‑terminal pins for easy prototyping
Technical Specifications
- RTC Chip: DS3231
- EEPROM: AT24C32 (32 KB, I2C address 0x57)
- Temperature Sensor: ±2 °C accuracy
- Supply Voltage: 3.3 V – 5.5 V
- Operating Temperature: –40 °C to +85 °C
- Clock Frequency: 32.768 kHz crystal
- Communication: I2C (400 kHz fast mode)
- Pinout: VCC, GND, SDA, SCL, SQW/INT
Compatibility
- Arduino (UNO, Mega, Nano, Leonardo, etc.)
- STM32 (F0, F1, F4 series and more)
- ESP32 / ESP8266
- Raspberry Pi (via I2C bus)
- Particle Photon, BeagleBone, and other I2C‑enabled boards
Why Choose This Module?
The DS3231 Precision RTC Module combines a crystal‑accurate real‑time clock, ample EEPROM storage, and temperature sensing in a single, easy‑to‑use package. Whether you’re building a data logger that records timestamps for months, a smart thermostat that tracks ambient temperature, or a portable device that needs reliable timekeeping without GPS, this module delivers consistent performance and effortless integration.
Boost the reliability of your projects today—add the DS3231 Precision RTC Module with AT24C32 EEPROM and temperature sensor to your cart and experience precise, hassle‑free time management.
Price: Original price was: $ 7.78.$ 3.40Current price is: $ 3.40.