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Since I had a (fake) teensy left with no project for it I decided to make a [http://blog.makezine.com/2008/11/13/the-brain-machine/ Brain Machine]. Basically it's blinking lights and beeping sound that put you in a state of total relaxation .. or something. == Bill of Materials == * at90usb162 (fake Teensy 1.0 from $wellknownchinesevendor) * 2 LEDs (blinky blink) * 2 Resistors (68Ω) * 2 capacitors (0.46µF) * minijack-plug (ripped from an old dvdrom-drive) * logarithmic stereo-potmeter (220K, volume control) * battery-pack (pack for 2xAAA obtained, needs testing) * some wiring * <s>old pair of laboratory glasses</s> New pair of flexible protective glasses bought (adv: easy to put on, holes for mounting stuff, glass can be easily taken out for painting and such) I will make a socket for the teensy to fit in so I can take it out for use in other projects. Since the µC can do much more than just blink and beep (and the firmware takes up something like 5% of the memory) I want to add some other features: * a button that switches to a different meditation-mode (brain frequency) * moar LEDs! \o/ (maybe a row of LEDs on the front that do a nice KIT-thingy, or some other spacey/trippy blinky-things) * ... (suggestions are welcome :) ) == Progress == * Prototype working * Main components soldered to perfboard (with socket for Teensy) * .. == Pictures == <gallery widths=250 heights=250> File:BrainMachinePrototype1.jpg|Prototype all wired up on breadboard File:BrainMachinePrototype2.jpg|Blinkyblink </gallery>
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