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RELATED GUIDES

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12mm LED Pixels
12mm silicone-encased glowy dots!
by Phillip Burgess
RGB Pixels are digitally-controllable lights you can set to any color, or animate. Each pixel contains an RGB LED and a controller chip molded into a 'dot' of silicone, with flanges so they can be pushed into holes in thin sheet material. The dots are waterproof and rugged — they're typically used to make outdoor signs.
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Let’s Put LEDs in Things!
Intro to electronics for cosplayers, no prior experience required
by Phillip Burgess
For adding flair to a costume or prop, nothing offers more bang-for-buck than LEDs! Getting started is easy, and opens doors to more advanced projects.
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Level Shifting 3.3V microcontrollers and NeoPixels
Level shifters are like little bilingual translators for your electronics!
by John Park
NeoPixels rule! But, they expect 5V logic, which can cause them to act funny when controlled by 3v3 boards, such as Feathers, M0-based Arduinos, Teensy 3, and others. Not to worry! A level shifter can translate 3v3 logic to 5V and get things talking again in no time!
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Trainable Robotic Arm
Teach this arm to move with your own hands
by Robert Svec
Inspired by the Baxter robot and made possible with the Adafruit Analog Feedback Servos, this robotic arm can be trained to move around by simply manipulating it with your hands. After the Arduino records the motions you taught it, the arm can replay the motion with the press of a button.