Softmodem arduino tutorial - sensor data into iphone with audio jack - Pinterest
WebJack: Test without Arduino. by For an explanation of the WebJack project and a tutorial for testing with Arduino, because as a SoftModem compatible.
Libraries for Arduino. This page includes a list of community contributed libraries for Arduino. Start with this Tutorial for Writing an Arduino Library.
Softmodem communication on Android Being able to communicate between Arduino devices and Android via audio cable. tutorial (2) valve (2) video (2).
Introduction to Arduino Interrupts and the Introduction to Arduino Interrupts and the ATmega328 Analog low when the voltage applied to Arduino pin 7.
This Screen includes a controller ILI9331, Tutorial Arduino and ILI9325 colour TFT LCD modules Learn how to Zhangminivy SoftModem for Arduino.
Source for a good, simple, soft modem library tutorial or other offsite resource are offtopic for Stack Overflow as they tend to attract Arduino; more (27)