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Advanced Notification of Interruption to Shipping

We are now expecting to move to our new premises in Rugby during the last week in November. During the move, we will not be shipping any orders out for the period Tuesday 25th November to Tuesday 2nd December. Last shipping day will be Monday 24th November and re-commence Wednesday 3rd December. Orders placed after 12 noon GMT on the 24th will be processed from the 3rd December

Machining Services

Whilst our machine shop is re-located, we are unable to carry out machining modifications on gears, sprockets, pulleys etc. Any order placed which includes machining options is unlikely to be processed until mid December.


Real Time Clock Module Breakout Board

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Real Time Clock Module Breakout Board

Part No.: 2900-400

Shipping Weight: 4.00 g.


Price Ex VAT: £10.52

(£12.62 inc tax)
In stock

Our quantity discounts (excl VAT):

Buy Quantity  10+ 
Price Ex VAT  £9.17 
2104 Techno Points
This a custom designed module from Sparkfun BOB-00099 for the DS1307 Real Time Clock. The module comes fully assembled and pre-programmed with the current time (ok, so it's our current time - MST). The included Lithium coin cell battery (CR1225 41mAh) will run the module for a minimum of 9 years (17 years typical) without external 5V power. The DS1307 is accessed via the I2C protocol. We've written a test-bed to program the modules. This test-bed code should give you some insight on how to interface the module to any mircocontroller using our example software I2C and BCD routines.

Features:

* Two wire I2C interface
* Hour : Minutes : Seconds AM/PM
* Day Month, Date - Year
* Leap year compensation
* Accurate calendar up to year 2100
* Battery backup included
* 1Hz output pin
* 56 Bytes of Non-volatile memory available to user

Dimensions: 20x20mm

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