If you want to get a visceral (and fun) understanding of programming, start with an Arduino. Written by David Gewirtz, Senior Contributing Editor Sept. 27, 2016 at 6:02 a.m. PT ...

Cellular shields for the Arduino have been around for ages, but this is the first one we’ve seen that turns your Arduino into a proper cell phone. The shield is based around the SIM900 GSM/GP… ...

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 ...

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.

Arduino is a hobby that not only teaches you about programming, automation, and robotics, but also yields useful devices that can help in everyday life.

In a previous article, we looked at connecting various kinds of Arduino hardware to your Mac. Here's how to get started programming on them to create your own projects.

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 ...

This option can be used to make a “missed call” alert, incase of an intrusion attempt. The circuit is highly-flexible so that you can use any SIM900A modem (and ofcourse any Arduino Uno board) of your ...