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In summer young people like to spend time outside playing basketball, practicing in a skatepark or hanging out on a beach. Listening to a music seems to be very important. Mobile phone speaker can play music, but it is not very loud. A solution is a BOOMBOX. Building it stimulates young people to get acquainted with electronics.

  • Start with a simple one based on PC speakers and toy rechargeable battery.
  • progress with an improved speaker and amplifyer.
  • add Bluetooth receiver to enable wireless connection
  • add low battery voltage monitor/switchoff.

Description of these steps is in the attached pdf file.

<p>Cool! It's great when you can convert something you already own in a way that will let you use it more often :)</p>

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Bio: I am a researcher working on development of optical atomic clocks. Electronics is my hobby since childhood when my uncle was bringing me old phones ... More »
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