XO Peripherals: Difference between revisions
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=Peripherals Overview:= |
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==The 10 cent O'Scope Adaptor== |
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see: [[Oscilloscope adaptor]] |
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==The 25 dollar BioSign/TeleHealth== |
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see: [[TeleHealth Module]] |
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==The 100 dollar Projector== |
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* Mary Lou may already have a design for this --[[User:DyD|DyD]] |
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* Ultrabright LEDs |
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* High resolution, high colour LCD |
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* Diverging Lens? |
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* USB to LCD processing ICs |
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** USB micro controller |
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** USB to digital graphics converter |
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** LCD controller |
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==The 25 dollar USB measuring unit and sensors== |
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see: [[User:ZdenekBroz/devices Technical specification]] |
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==The 50 cent AM radio receiver== |
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* MK848 |
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* Analog processing for control of tuning cap |
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* Tuning cap |
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* Ferrite |
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* Coil |
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*USB powered |
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==The 1 dollar AM radio transmitter== |
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* Crystal or Ceramic Resonator |
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* audio transformer for modulation |
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* USB powered |
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=How to do it= |
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* Via an AVR micro controller with USB, ADC, and/or DAC |
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** avr-gcc, avr-libc and avrice |
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* Via the 5v@500ma offered per USB port, with a total of 1A |
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** Soft limit via power rail; it is not necessary to follow proper USB 2.0 protocol and/or complete a USB handshake |
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* Via the mono mic-in/stereo audio out, see [[Audio hardware]] |
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* Via the unused channels on the AD188 chip |
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* Via the [[Measure / Oscilloscope]] Activity |
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=Other Pages= |
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* [[Fun hardware]] |
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* [[Hardware Power Domains]] |
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* [[USB ethernet adaptors]] |
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[[Category:Hardware ideas]] |
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[[Category:Hardware]] |
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[[Category:Peripherals]] |
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Latest revision as of 21:15, 21 October 2007
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