DS1302 Real Time Clock Module – RTC with Battery Backup for Arduino & Raspberry Pi

The DS1302 Real Time Clock Module is a compact and low-power solution designed to keep accurate time even when your microcontroller is powered off. Ideal for use with Arduino, Raspberry Pi, and other development boards, this RTC module uses a built-in crystal oscillator and supports battery backup (battery not included), ensuring it maintains the correct time without needing frequent updates.

It supports SPI communication and provides second, minute, hour, day, date, month, and year information with leap-year compensation. With its small footprint and minimal power usage, it’s perfect for embedded systems, time-stamped data logging, alarms, and scheduling applications.

🔧 Key Features

• Accurate DS1302 Real Time Clock Module with SPI communication support
• Maintains time when powered off using a coin-cell battery backup
• Compact design for easy installation on breadboards or embedded systems
• Low power consumption for long-term deployment
• Easy to interface with Arduino, Raspberry Pi, STM32, and more

📐 Technical Specifications

📌 Applications

• Real-time clocks in Arduino and Raspberry Pi projects
• Digital attendance and access control systems
• Smart home scheduling and automation
• Time-stamped data logging systems
• Alarm and calendar display functions

💡 Why Choose This RTC Module?

The DS1302 Real Time Clock Module offers accurate, battery-backed timekeeping with a simple SPI interface. It’s easy to install, compatible with multiple platforms, and delivers robust performance for real-world timekeeping in microcontroller-based projects.

📦 Package Includes

• 1 × DS1302 RTC Module – Real Time Clock