Yes, you can actually make cell phone calls with your Arduino now. The real star of this build is the new GSM Shield library.

Building Your Own Cellphone The awesome DIY cellphone is capable of connecting to GSM networks in North America and uses a regular SIM card to make and receive phone calls and SMS messages.

The Arduino code takes all of the individual dialed numbers and combines them into a phone number. The sketch is set up so that after the 10th digit is read, the phone call is placed using an off ...

Arduino devices have had the option of a GSM linkup for awhile, but getting that cellular link to truly strut its stuff hasn't always been easy, even for those of us who'd be inclined to program ...

This will allow the development platform to connect to the internet via GSM mobile phone networks. The module, or shield, was developed in conjunction with Telefónica’s Physical Internet Laboratory ...

An Arduino is a popular open-source single-board microcontroller. Learn how to program one and let the possibilities take shape.

If you're looking to make yourself somewhat more productive on this lazy weekend, and you've got an Arduino or two collecting dust, we've got just the thing to add line after line to your ...

The Arduino IDE provides a sample sketch with a simple program outline in a text window when you first open it. There are also a vast array of code samples under the File->Examples submenu item.