XO Peripherals: Difference between revisions

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#REDIRECT [[Peripherals]]
=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 --[[User:DyD|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: [[User:ZdenekBroz/devices|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@laptop.org
*** arjs on irc
*** Wrote the Measure activity while interning for OLPC last summer
** Joshua Seal
*** joshuas@belkin.com
*** joshua@laptop.org
*** Works for Belkin, currently developing a slew of OLPC Peripherals
** Zdenek Broz
*** Has group of developers at Brno University of Technology(Czech Republic) working on a USB microcontroller/ADC platform
** Ian Daniher
*** it.daniher@gmail.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
*** smithbone on irc
*** is part of the supercharger team, using a board based on the Atmel AT90SAM7
**** http://wiki.laptop.org/go/Multi_channel_battery_charger
** 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=
* [[USB Peripherals]]
* [[Fun hardware]]
* [[Hardware Power Domains]]
* [[USB ethernet adaptors]]
* [[Measure]]

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

Latest revision as of 21:15, 21 October 2007

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