Apart the usual fun and games, you can also create educational devices that are useful and can be customised to various tasks. One example of this has been described by Instructables user AdamW5 whose project uses a series of LEDs to indicate whether a number is even, odd or a prime number.
The method of entering the number in question is simple, the Arduino counts the number of times a button is pressed and then the number is compared against the list of primes in the sketch. This kind of device would be useful in early years of maths and adaptable to the curriculum.
To recreate your own, visit the project's Instructable page. And for more, we're on facebook, Google+, and twitter - so follow us for news and product updates as well.
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