The Second Visit to the Bay Area Maker Faire 2015

This year, the MakerSpace at Digilent was able to attend the 2015 Bay Area Maker Faire. We brought two great demos, a breadboard wall, and a 900 LED matrix running the game Snake! Individuals also brought projects that they worked on. Our booth got a lot of attention due to the breadboard wall with simple and prepackaged circuits. Everybody loved being able to connect up a few parts with a couple wires and create a blinking light with a 555 timer. With that, there were also a couple adventurous people that created their own circuits.

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The Science of LEDs

LEDs are one of the coolest electronic components. They can brighten up any circuits project and turn it in to an eye-catching bonanza of blinking lights. Okay, corny imagery aside, they’re pretty cool. But have you ever thought of how they actually work? You likely already know that LED stands for light emitting diode. Where does the light emit from, though? There are no bulbs or filaments in an LED. So what’s going on in there that produces the glow that we love to have in all of our circuits?

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