# DS1307 RTC Module for Raspberry Pi

**Type:** Product page · **SKU:** DFR0386 · **Brand:** [DFRobot](https://core-electronics.com.au/brands/dfrobot-australia)
**Page:** https://core-electronics.com.au/ds1307-rtc-module-with-battery-for-raspberry-pi.html ([markdown](https://core-electronics.com.au/ds1307-rtc-module-with-battery-for-raspberry-pi.html.md))

This RTC module is specifically designed for the Raspberry Pi. It communicates with Raspberry Pi through I2C bus and includes a Maxim DS1307 on the board to keep a real time clock for a long time after the Pi has powered down. Just set a serial port, and you have a convenient way of online debugging using TTL. Supports Raspberry Pi B/A+/B+/2 model B/3 model B.

## Pricing

- **Price:** $10.15 (inc GST) — $9.23 AUD, exc GST
- **Quantity discounts:** 6+ $8.76 (exc GST) · 12+ $8.40 (exc GST)

## Availability & dispatch

- In stock, ships same business day if ordered before 2PM (Australia/Sydney).
- We can dispatch 2 today, and up to 65 more in 8–12 days.

## Restrictions

Restrictions apply to this equipment as it uses button/coin cell batteries:

- The equipment is intended to be used in trades, professions or industries
- The equipment is not intended for sale to the general public
- The equipment is not intended to be used where children are present
- You are aware that this equipment may not meet child safety testing requirements as it is not intended to be used by consumers or general public, but rather, is intended to be used in trades, professions or industries in conjunction with the limitations and restrictions listed above
- You are aware that these restrictions are due to a change in [A](https://www.accc.gov.au/media-release/businesses-on-notice-as-mandatory-button-battery-laws-commence)[ustralian legislation in 2022](https://www.accc.gov.au/media-release/businesses-on-notice-as-mandatory-button-battery-laws-commence) for button/coin cell batteries
 
![Button Battery Warning](https://core-electronics.com.au/attachments/uploads/iec-button-battery.png)

A declaration of use will need to be submitted during checkout.

## Description

This RTC module is specifically designed for the Raspberry Pi. It communicates with Raspberry Pi through the I2C bus and includes a Maxim DS1307 on the board to keep a real-time clock for a long time after the Pi has powered down. Just set a serial port, and you have a convenient way of online debugging using TTL. Supports Raspberry Pi B/A+/B+/2 model B/3 model B.

 ![](https://core-electronics.com.au/attachments/localcontent/_W4A9925_985214d3f67.jpg)### Specification

- RTC module: DS1307
- Battery model: [CR1220](https://core-electronics.com.au/coin-cell-battery-12-5mm-cr1220.html) button cell (Not Included)
- Operating Voltage: 5V
- I2C address: 0x68
- Clock precision: ±2ppm (0~40°C)
- Unit information: Second, Minute, Date, Week, Month and Year
- Operating temperature: -10°C?+85°C
- Compatible with Raspberry Pi B/A+/B+/2 model B/3 model B
- Interface: 2\*5p 2.54mm
 
### Documents

- [Wiki Doc](https://wiki.dfrobot.com/Raspberry_Pi_RTC_Module_SKU__DFR0386)
 
### Parts List

- RTC module for Raspberry Pi x1

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/d/f/dfr0386.jpg)