Mindsets Time Elapse Warning Solder Kit

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Quoting product code: N31FL


About this product


  • Set an alert for any time between 10 minutes to just under nine hours in 10 min increments
  • LEDs let you know how much time is left
  • Simple and fun to make with 41 parts

Product overview

• Set an alert for any time between 10 minutes to just under nine hours in 10 min increments
• LEDs let you know how much time is left
• Simple and fun to make with 41 parts
• Requires three AA batteries (not included Order Code L43AL)

What can I do with this kit?
Set a timer for anything – boiling an egg, timing an exercise routine, or knowing how long to cool your 3D models – with this time elapse alarm. Use the two switches to set the hours and minutes from 10 min to 8 hours 50 min, then use the third switch to start it running. Red and yellow LED indicators show you exactly what time is set, and when the time runs down there is an audible buzzer alarm. This kit is an easy to solder with 41 parts and is great for beginners.

How does this kit work?
Practise your soldering and see how different components fit into a circuit with this kit. Learn how to solder LEDs, resistors, capacitors and switches. The 1N4006 microchip controls the output marking time and keeping the LEDs lit to give you an accurate time indicator. This kit requires a soldering iron and solder and may require wire cutters.

How easy is this kit to solder?
This is both a great way to get into electronics and a fun practical project. The kit requires three AA batteries (not included, Order Code L43AL) and comes with a battery box that screws onto the back of the board. You could add an enclosure or display around the board – just take care not to block the LEDs, buzzer or inputs.

Rated 1 out of 5 by from Big let-down is the minimum 10 minutes! I would try this product (it's cheap enough to experiment with), but when I read the spec which states that the minimum delay that can be set is 10 minutes, well, the product is useless for me. One of the examples you give for deploying this kit is to time a boiling egg, but the only egg you'll get after 10 minutes is ~very~ hard boiled! What were the designers thinking!!
Date published: 2016-04-30
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Product Specifications

Soldering Required:


I need a timer such as this to trigger a relay on/off once per use.  Does this circuit output -i.e. the buzzer- simply buzz or does it pulse?  How long does it buzz for?

Asked by: thecreaser
Unfortunately we no longer stock this item as it has been discontinued from our range. Therefore we are unable to obtain any further in-depth Technical specification. I am sorry that we could not help resolve your query on this occasion, but I hope this helps and please do not hesitate to contact us with any additional inquiries you may have.
Answered by: Russell
Date published: 2016-03-22

I would assume that all maplin kits like this one are in parts and require soldering as i would like to get this and a few other ones to practice my soldering techniques

Asked by: Cluke12
Yes these kits need to be assembled. They are excellent for practising your soldering on.
Answered by: DaveB
Date published: 2015-10-27

This kit uses an ATTiny2313, is the source code available anywhere? I could just download the flash memory and disassemble (to work out what happens) but I thought I could ask first.

Asked by: TomK
Unfortunately this is not provided by the supplier.
Answered by: Dominic
Date published: 2015-10-05

Does this kit require soldering together? I am looking for a practice kit for the kids

Asked by: AndrewBBBB
Yes this kit requires soldering.
Answered by: Billy
Date published: 2015-09-06

Instead of a buzzer, can a relay be used?
Asked by: Callum
We can see no reason why not, after you have modified the circuit.
Answered by: JK
Date published: 2015-07-17
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