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Reaction Game with micro:bit

A simple game you can build to test reaction time…

I built a simple game for Brown Dog Gadgets which will test your reaction time. The basic concept is this: A series of LEDs will light up in sequence, and when the fourth LED is lit you need to press the button. If you time it right you’ll get a point! When you get 25 points you’ll win the game! But wait! Each time you press the button successfully the game will speed up… and if you press the button at the wrong time you’re score will go down.

It’s a fun and easy build for the classroom or at home, and once again we’ve got a micro:bit controlling things. (Though it would be very easy to port this to an Arduino or another microcontroller.) We’re building on LEGO because that’s how the Crazy Circuits system works. We sometimes joke that these are PCBs or “Plastic Circuit Boards”.

After creating the Reaction Game (7 Segment Version) we came up with two variations, one that uses the build-in LED matrix on the micro:bit instead of our 7 Segment Display (the Reaction Game (LED Version)) and then we got even more minimal and built a paper circuit version with even less parts, the Reaction Game (Paper Version).

As always, we’re publishing these resources for those who purchase our kits, and also for everyone else. You are free to take the ideas and run with them, make your own thing, and while credit is always nice, supporting Brown Dog Gadgets by purchasing things helps us to continue offering these resources. I mean, in the last year I’ve published over 100 guides and templates for freeeeeee….. We appreciate your support!

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