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DS3231 RTC Module – High Precision Real Time Clock with I2C Interface (Without Battery) for Arduino, ESP32 & Raspberry Pi - RS7216
DS3231 RTC Module – High Precision Real Time Clock with I2C Interface (Without Battery) for Arduino, ESP32 & Raspberry Pi - RS7216
SKU:RS7216
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Delivery Time
Delivery Time
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COD (Cash on Delivery)
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Description:
“Keep perfect time in all your projects — even when power goes off!”
The DS3231 RTC (Real Time Clock) Module is a high-precision timekeeping device that maintains accurate date and time information over long periods. Designed with a built-in temperature-compensated crystal oscillator (TCXO) and I2C interface, it ensures reliable performance across various microcontroller projects, from Arduino to Raspberry Pi.
This version does not include a battery, making it ideal for developers who prefer using their own CR2032 backup or power management setups. Whether you’re building a data logger, alarm system, clock, or IoT project, the DS3231 delivers superior accuracy with minimal coding effort.
🕒 Add precision and reliability to your electronics — start building smarter, time-aware projects with the DS3231 RTC Module today!
Specifications:
| IC Chip | DS3231 (Real Time Clock) |
| Interface Type | I2C (2-wire) |
| Operating Voltage | 3.3V – 5V DC |
| Temperature Compensation | Yes (Built-in TCXO) |
| Clock Accuracy | ±2ppm (±1 minute per year) |
| Memory | 32 Bytes of Non-Volatile SRAM |
| Calendar Function | Automatic Leap-Year Compensation (up to 2100) |
| Time Format | 24-hour or 12-hour with AM/PM indicator |
| Battery Holder | For CR2032 (Battery not included) |
| Communication Protocol | I2C (SCL, SDA pins) |
| Compatibility | Arduino, ESP8266, ESP32, Raspberry Pi, STM32 |
| Operating Temperature | -40°C to +85°C |
| Dimensions | Approx. 38mm x 22mm |
Features:
- ⏰ High Accuracy Timekeeping: Built-in TCXO ensures minimal time drift.
- ⚙️ I2C Interface: Simple connection with just two data pins (SDA & SCL).
- 🔋 Battery Backup Support: Battery holder available (battery not included).
- 🧩 Wide Compatibility: Works with Arduino, Raspberry Pi, ESP32, and more.
- 💾 Integrated SRAM Memory: Store custom data like sensor logs or configurations.
- 💡 Automatic Adjustments: Handles leap years and varying month lengths automatically.
- 🧠 Low Power Consumption: Efficient for battery-powered IoT and embedded systems.
💬 Informational Points:
- You can easily set or read time/date using Arduino’s
RTClibor similar libraries. - Recommended backup battery: CR2032 3V coin cell.
- Commonly used in data loggers, alarms, clocks, automation systems, and IoT sensors.
- Supports both 24-hour and 12-hour AM/PM formats.
- Compatible with I2C address 0x68, making it simple to integrate with multiple devices.
- More accurate than DS1307 RTC, making it ideal for professional or precision applications.
Package included:
1 x DS3231 RTC Module Without Battery