How to make a ratchet knob (unidirectional knob) with a broomstick and clothespins.
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Category: Howto
Bluetooth Keyboard Mouse Adapter (Arduino Minion McDonald’s Toy Hack)
Today we’re building an adapter that turns your favorite keyboard or mouse into a Bluetooth keyboard or mouse! It’s also a McDonald’s toy in disguise!
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Arduino Power Cube (Lithium Battery and 5V Booster/Charger)
We’re salvaging old cellphone batteries to make a modular power cube for Arduino projects! This power cube makes use of a DC-DC Booster/Charger Module Board.
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Cheap Arduino Bluetooth HID Module (HC05 with RN42 firmware hack)
Arduino makers and hobbyists will appreciate this one. Here’s how to turn a $3 Bluetooth module (HC-05 or HC-06) into an HID module (like the RN-42 or BlueSMiRF HID) with a firmware hack.
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Sustainer Pickup DIY (Guitar Infinite Sustain System)
DIY a sustainer pickup for guitar that fits under the strings. This sustainer will enable any guitar to hold out a note infinitely long, achieving that rich, violin-like, sustain sound.
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Turn cheap keyboard to MIDI PIANO! (Add MIDI port)
This is a tutorial for adding a MIDI port to a keyboard without one, so that you can use to interface with various programs such as FL Studio, Ableton Live, Cubase, Garage Band, Pro Tools, and more.
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Polymer Clay Mini Game Controller (that actually works!)
This is a DIY guide to build a mini retro game controller out of polymer clay and an old keyboard!
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