To build this project, all you need is three main components: an Arduino Uno, a 16x2 LCD, and a push button. You can connect everything to a breadboard to keep it simple.

The SocialBot9000, as [Chris] calls his build, is an Arduino Uno connected to an Ethernet shield and an LCD character display. The firmware uses the Twitter API to search for recent posts ...

To display the caller’s information, [Dilshan] is using an Arduino Uno and common 16×2 HD44780 LCD. As a nice touch, the code will even blink the Arduino’s onboard LED when you’ve missed a ...

– Arduino Uno or similar such as the new Arduino 101 or Genuino – £28 or $40 (cheaper clones are available) – Arduino 16×2 LCD screen with keypad £2.50 or $3.60 – 15m of 3 core cable ...