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Description: 1. The DS1307 Real Time Clock (RTC) Module is a popular hardware component in IoT projects that provides accurate timekeeping independent of power source or external clock input. 2. It features a compact size with a 2 x 3 cm footprint, making it easy to integrate into various projects, including Arduino and Raspberry Pi setups. 3. The DS1307 operates using an I²C interface, which simplifies communication between the module and microcontroller, requiring only two wires for connection (SDA & SCL). 4. This RTC offers precise timekeeping with a built-in battery backup that maintains the clock's accuracy even during power loss or system reboots. 5. The DS1307 module has six available input/output pins (VCC, GND, INT, SDA, SCL, and VDD-Batt) which can be used for various applications such as alarm notifications or synchronizing multiple clocks in a network. 6. Unique benefits include the ability to adjust the time and date settings manually using the built-in keypad (not included by de
| Specification | Details |
|---|---|
| Type | Real-Time Clock (RTC) IC |
| Manufacturer | Maxim Integrated (now part of Analog Devices) |
| Package | 8-pin DIP or SOP |
| Clock Frequency | 32.768 kHz |
| Timekeeping Accuracy | ±2 minutes per month |
| Temperature Range | -20°C to +70°C (commercial grade) |
| Supply Voltage | 3V to 5.5V |
| Current Consumption | typically 100 μA at 32 kHz |
| Memory Storage | Stores date time and alarm events |
| Programming Interface | I2C (SMBus) bus with 7-bit address |
| Operating Modes | 12- or 24-hour clock display mode |
| Alarm Features | Supports 8 programmable alarms |
| Power-Saving Mode | Can be placed in power-down mode when not in use |
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