This small buzzer is excellent for various electronics circuits where you need a sound alarm. It is loud enough to be heard by nearby people but not too loud to be intrusive. Great for a classroom environment where students may use many buzzers at the same time.
The LilyPad is a collection of electronic circuits and accessories for Arduino. Most components feature connecting pads so you can sew them into clothing and are even washable! Various input, output, power, and sensor boards are available.
You can also use LilyPad components, like this switch, for science demos and classroom projects by connecting them with alligator clips cables.
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