XO Peripherals: Difference between revisions
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* Via the 5v@500ma offered per USB port, with a total of 1A |
* 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 |
** 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 |
* Via the mono mic-in/stereo audio out, see [[Audio hardware]] |
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* Via the unused channels on the AD188 chip |
* Via the unused channels on the AD188 chip |
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* Via the [[Measure / Oscilloscope]] Activity |
* Via the [[Measure / Oscilloscope]] Activity |
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Revision as of 19:00, 20 September 2007
Peripherals Overview:
The 10 cent O'Scope Adaptor
see: Oscilloscope adaptor
The 25 dollar BioSign/TeleHealth
see: TeleHealth Module
The 100 dollar Projector
- Ultrabright LEDs
- High resolution, high colour LCD
- Diverging Lens?
- USB to LCD processing ICs
- USB micro controller
- USB to digital graphics converter
- LCD controller
The 50 cent AM radio receiver
- MK848
- Analog processing for control of tuning cap
- tuning cap
- ferrite
- coil
- USB powered
The 1 dollar AM radio transmitter
- Crystal or Ceramic Resonator
- audio transformer for modulation
- USB powered
How to do it
- Via an AVR micro controller with USB, ADC, and/or DAC
- avr-gcc, avr-libc and avrice
- Via the 5v@500ma offered per USB port, with a total of 1A
- Soft limit via power rail; it is not necessary to follow proper USB 2.0 protocol and/or complete a USB handshake
- Via the mono mic-in/stereo audio out, see Audio hardware
- Via the unused channels on the AD188 chip
- Via the Measure / Oscilloscope Activity