Description :
The DS1302 RTC (Real Time Clock) Module is a reliable and cost-effective timekeeping solution designed for Arduino, ESP32, ESP8266, Raspberry Pi, STM32, and other microcontroller platforms. Based on the DS1302 RTC chip, this module accurately keeps track of seconds, minutes, hours, day, date, month, and year while consuming very little power.
The module features a built-in battery backup option, allowing it to maintain accurate time even when the main power supply is disconnected. Using a simple 3-wire serial communication interface, the DS1302 RTC module can be easily connected to a wide range of development boards and embedded systems.
Ideal for digital clocks, data loggers, attendance systems, automation projects, IoT applications, and time-based control systems, the DS1302 RTC module provides dependable real-time clock functionality at an affordable price.
Specifications :
| Specification | Details |
|---|---|
| Product Type | Real Time Clock (RTC) Module |
| RTC IC | DS1302 |
| Communication Interface | 3-Wire Serial Interface |
| Operating Voltage | 2.0V – 5.5V DC |
| Backup Battery Support | Yes |
| Time Format | 12-Hour / 24-Hour |
| Time Functions | Seconds, Minutes, Hours |
| Calendar Functions | Day, Date, Month, Year |
| Leap Year Compensation | Supported |
| RAM Capacity | 31 Bytes Built-in RAM |
| Power Consumption | Low Power |
| Clock Accuracy | Crystal-Controlled Timekeeping |
| Data Retention | Maintains Time During Power Loss |
| Oscillator Type | External 32.768 kHz Crystal |
| Module Dimensions | Approx. 44 × 23 × 11 mm |
| Operating Temperature | 0°C to +70°C |
| Mounting Type | Through-Hole PCB Module |
| Compatible Boards | Arduino, ESP32, ESP8266, Raspberry Pi, STM32, AVR, PIC |
| Applications | Clocks, Data Logging, Automation, IoT, Embedded Systems |
Features :
- Based on the reliable DS1302 RTC chip.
- Accurate real-time clock and calendar functionality.
- Supports seconds, minutes, hours, day, date, month, and year tracking.
- Built-in battery backup support for uninterrupted timekeeping.
- Low power consumption for battery-operated projects.
- Simple 3-wire serial communication interface.
- Supports both 12-hour and 24-hour time formats.
- Automatic leap year correction.
- Integrated 31-byte RAM for temporary data storage.
- Maintains time during power failures.
- Easy integration with Arduino and other microcontrollers.
- Compact PCB design for embedded applications.
- Crystal-controlled clock operation for stable performance.
- Suitable for digital clock projects.
- Ideal for attendance and access control systems.
- Perfect for data logging applications.
- Great for automation and scheduling projects.
- Compatible with 3.3V and 5V systems.
- Fast and reliable communication.
- Simple wiring and setup.
- Durable and lightweight module.
- Excellent for IoT and smart devices.
- Supports continuous real-time operation.
- Widely used in educational and hobby projects.
- Cost-effective RTC solution for electronics projects.
Package Included:
1X DS1302 RTC Real Time Clock Module with Battery Backup for Arduino, ESP32 & Raspberry Pi
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