XO Peripherals: Difference between revisions

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* I'm trying to compile a list of individuals for a mailing list/management purposes
* I'm trying to compile a list of individuals for a mailing list/management purposes
** Arjun Sarwal
** Arjun Sarwal
*** arjun@laptop.org
*** arjun(at)laptop(dot)org
*** arjs on irc
*** arjs on irc
*** Wrote the Measure activity while interning for OLPC last summer
*** Wrote the Measure activity while interning for OLPC last summer
** Joshua Seal
** Joshua Seal
*** joshuas@belkin.com
*** joshuas(at)belkin(dot)com
*** joshua@laptop.org
*** Works for Belkin, currently developing a slew of OLPC Peripherals
*** Works for Belkin, currently developing a slew of OLPC Peripherals
** Zdenek Broz
** Zdenek Broz
*** dicts(at)centrum(dot)cz
*** Has group of developers at Brno University of Technology(Czech Republic) working on a USB microcontroller/ADC platform
*** Has group of developers at Brno University of Technology(Czech Republic) working on a USB microcontroller/ADC platform
** Ian Daniher
** Ian Daniher
*** it.daniher@gmail.com
*** it.daniher(at)gmail(dot)com
*** Currently focusing on the TeleHealth Module and O'scope adaptor
*** Currently focusing on the TeleHealth Module and O'scope adaptor
*** DyDisMe on irc.freenode.net
*** DyDisMe on irc.freenode.net
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*** email or irc alias
*** email or irc alias
*** skill set or such
*** skill set or such




=Other Pages=
=Other Pages=

Revision as of 21:23, 20 October 2007

Peripherals Overview:

The 10 cent O'Scope Adaptor

see: Oscilloscope adaptor

The 25 dollar BioSign/TeleHealth

see: TeleHealth Module

The 100 dollar Projector

  • Mary Lou may already have a design for this --DyD
  • 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 25 dollar USB measuring unit and sensors

see: Technical specification

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

The Environmental Monitoring Dongle

  • CDS
    • Generic
  • Thermometer
    • MCP9700
  • Humidity

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


Peripherals People

  • I'm trying to compile a list of individuals for a mailing list/management purposes
    • Arjun Sarwal
      • arjun(at)laptop(dot)org
      • arjs on irc
      • Wrote the Measure activity while interning for OLPC last summer
    • Joshua Seal
      • joshuas(at)belkin(dot)com
      • Works for Belkin, currently developing a slew of OLPC Peripherals
    • Zdenek Broz
      • dicts(at)centrum(dot)cz
      • Has group of developers at Brno University of Technology(Czech Republic) working on a USB microcontroller/ADC platform
    • Ian Daniher
      • it.daniher(at)gmail(dot)com
      • Currently focusing on the TeleHealth Module and O'scope adaptor
      • DyDisMe on irc.freenode.net
    • Bernardo Innocenti
      • _bernie or _bernie|home on irc.freenode.com
      • Has experience programming Atmel Chips(ARM/AVR), Motorola, Intel, PPC, Texas Instruments...
    • Richard Smith
    • Rafael Ortiz
      • dirakx or dirak1 on irc.freenode.net
      • wrote most of EKG page
    • Your Name Here
      • email or irc alias
      • skill set or such

Other Pages

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