speaker – Marginally Clever Robots

DIY Portable Bluetooth speakers

2015-08-31 Dan

Bluetooth speakers by Luke Brooks
Marginally Clever’s very own Luke Brooks has been working overtime. Not only is he designing a 3D printer, not only does he film and edit all Marginally Clever videos, not only did he help on the Giant Wall of LEDs (coming to World Maker Faire 2015), but he also designs cool portable speaker systems. Made from laser cut parts, hot glue, and determination. At a moderate volume they’ll play for nearly 10 hours. That means it will outlast your phone battery!

Get all the details and the step-by-step pictures on the Vancouver Hack Space forums.

The electronic parts used in the kit are available here:

[products skus=’elec-0031, elec-0032, ELEC-0037, ELEC-0057′]

Introduction to Speakers

2015-02-05 Dan

What you see in the picture above is a piezoelectric speaker – a tiny, electrically controlled diaphragm. On the back is a small crystal. When there is power flowing through the crystal, the size changes, bending the diaphragm. The change in the diaphragm is what causes sound and music as we know it. Today, let’s go through how we can make music with a piezo and Arduino.

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