Garage door openers are simple enough when it's just a button, but if you want something more high tech, Instructables user MegunoLink shows off how to build a garage door opener you can control with your smartphone.
In this tutorial you will learn how to use DS18B20 temp sensor with Arduino. The temperature will be printed on the serial monitor of Codebender or Arduino IDE.Presentation Video:Before we start let's see more information about this sensor.
Master the command line and you'll be able to perform powerful tasks with just a few keystrokes. This cheat sheet will help you remember helpful Linux commands, whether you're new to Linux or could just use a refresher.