RTC Board DS1302

SKU: WS-9709 Brand: Waveshare
Real-Time Clock Counts Seconds, Minutes, Hours, Date of the Month, Month, Day of the Week, and Year with Leap-Year Compensation Valid Up to 2100
$6.55 AUD, inc GST
$5.95 AUD, exc GST

Quantity Discounts:

  • 10-25 $5.72 (exc GST)
  • 25+ $5.54 (exc GST)

Out of Stock

Sign up to get notified when it's available to order.

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 Australian legislation in 2022 for button/coin cell batteries

Button Battery Warning

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

0 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

Shipping:

  • $7+ Standard (5+ days*, tracked)
  • $11+ Express (2+ days*, tracked)
  • FREE Pickup (Newcastle only - must order online*)

Shipping costs may increase for heavy products or large orders.

Exact shipping can be calculated on the view cart page.

*Conditions apply, see shipping tab below.

Details

DS1302 RTC Board

Overview

  • Onboard serial RTC chip DS1302
    • Real-Time Clock Counts Seconds, Minutes, Hours, Date of the Month, Month, Day of the Week, and Year with Leap-Year Compensation Valid Up to 2100
    • Optional format : 24-hour OR 12-hour with an AM/PM indicator
    • Supports trickle-charge for the backup battery
  • Universal 32.768kHz crystal
  • Onboard battery holder
  • Features SPI interface, supports 3-wire and/or 4-wire sync serial communication

Specifications

  • Operating voltage: 2.0V ~ 5.5V
  • Backup battery voltage : 3.0V ~ 5.0V
  • Operating temperature : 0°C ~ +70°C
  • Power consumption : <1mW (keeping Clock and RAM data)
  • Dimension : 31mm * 15mm

Applications

  • Hand-held device
  • Electronic watch
  • Electronic clock

Photos


Downloads

Development resources: demo codes, schematic, datasheets, etc.
Wiki:www.waveshare.com/wiki/DS1302_RTC_Board

Weight: 0.004 kg

Quick Overview

  • DS1302 RTC Board × 1

This product is listed in:

Breakouts & Modules>Date Time (RTC)

Product Comments

Exact shipping can be calculated on the view cart page (no login required).

Products that weigh more than 0.5 KG may cost more than what's shown (for example, test equipment, machines, >500mL liquids, etc).

We deliver Australia-wide with these options (depends on the final destination - you can get a quote on the view cart page):

  • $3+ for Stamped Mail (typically 10+ business days, not tracked, only available on selected small items)
  • $7+ for Standard Post (typically 6+ business days, tracked)
  • $11+ for Express Post (typically 2+ business days, tracked)
  • Pickup - Free! Only available to customers who live in the Newcastle region (must order online and only pickup after we email to notify you the order is ready). Orders placed after 2PM may not be ready until the following business day.

Non-metro addresses in WA, NT, SA & TAS can take 2+ days in addition to the above information.

Some batteries (such as LiPo) can't be shipped by Air. During checkout, Express Post and International Methods will not be an option if you have that type of battery in your shopping cart.

International Orders - the following rates are for New Zealand and will vary for other countries:

  • $12+ for Pack and Track (3+ days, tracked)
  • $16+ for Express International (2-5 days, tracked)

If you order lots of gear, the postage amount will increase based on the weight of your order.

Our physical address (here's a PDF which includes other key business details):

Unit 18, 132 Garden Grove Parade
Adamstown
NSW, 2289
Australia

Take a look at our customer service page if you have other questions such as "do we do purchase orders" (yes!) or "are prices GST inclusive" (yes they are!). We're here to help - get in touch with us to talk shop.

Have a product question? We're here to help!

Write Your Own Review

Videos

View All

Guides

How to use a RTC With an Arduino UNO R3 to Create an Accurate Clock (LCD Screen and Nixie Tubes)

Today we're pulling out the breadboard, getting up and running with an RTC module then finishing up...
Today we're pulling out the breadboard, getting up and running with an RTC module then finishing up...

The Maker Revolution

The Maker Revolution celebrates the creation of new devices and the modification of existing ones - ...
The Maker Revolution celebrates the creation of new devices and the modification of existing ones - ...

Projects

Arduino Tide Gauge

I used an Arduino and a US-100 ultrasonic sensor to make an extremely low-cost tide gauge. Thi...
I used an Arduino and a US-100 ultrasonic sensor to make an extremely low-cost tide gauge. Thi...
Feedback

Please continue if you would like to leave feedback for any of these topics:

  • Website features/issues
  • Content errors/improvements
  • Missing products/categories
  • Product assignments to categories
  • Search results relevance

For all other inquiries (orders status, stock levels, etc), please contact our support team for quick assistance.

Note: click continue and a draft email will be opened to edit. If you don't have an email client on your device, then send a message via the chat icon on the bottom left of our website.

Makers love reviews as much as you do, please follow this link to review the products you have purchased.