I prefer to use the Visual Studio 2008 environment to write and test code for the Arduino. The following steps outline what is necessary to accomplish this.
Easy way, an RGB led with random colors that light on when light is off connected to Arduino Uno!
Hi all!! Today i show how is possible to connect iPhone to Arduino without any Wifi or Ethernet shields! Here the app that controls 4 leds (green yellow, red and orange), a DC motor with a fan, a piezo speacker and the room temperature with LM32 sensor!