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AudioPort

AudioPort
founder: stick
depends on:
interested:
software license: GPLv2
hardware license: CC BY-SA
status: active

Create a converter unit that can be attached to modern phones (like Android devices, iPhone or Nokia N900) via audio jack and will enable bidirectional communication.

We want to support multiple communication ways, e.g.:

  • RS-232
  • FSK

Roadmap

  • [TODO] design circuit
  • [TODO] create prototype
  • [DONE] write “classic” application (Linux/MacOSX/Windows)
  • [IN PROGRESS] write Nokia N900 application
  • [IN PROGRESS] write Android application
  • [TODO] write iPhone application (should run on iPad/iPod too)

Schematics

jack pinouts: R2+S: pressed: 280 ohm, not pressed: 2.2k ohm

pin iPhone/HTC Nokia/Samsung
T LEFT - TX
R1 RIGHT - VCC
R2 GND MIC - RX
S MIC - RX GND

Resources

 
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