XO Peripherals: Difference between revisions

From OLPC
Jump to navigation Jump to search
(Finished the merger)
 
(16 intermediate revisions by 5 users not shown)
Line 1: Line 1:
#REDIRECT [[Peripherals]]
=Peripherals Overview:=
==The 10 cent O'Scope Adaptor==
see: [[Oscilloscopeadaptor]]

==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

=Other Pages=
* [[USB Peripherals]]
* [[Fun hardware]]
* [[Hardware Power Domains]]
* [[USB ethernet adaptors]]

[[Category:Hardware ideas]]
[[Category:Hardware]]
[[Category:Peripherals]]

Latest revision as of 21:15, 21 October 2007

Redirect to: