The Nokia 3100 is a classic in the circles we frequent. The LCD in this phone is a very cheap and very common display, and it was one of the most popular phones since the phone from Bell, making it… ...

While [Ilias Giechaskiel] was waiting for his SIM900 shield to arrive, he decided to see what he could do with an old Nokia 6310i and an Arduino. He was researching how to send automated SMS text m… ...

Next is the Hookup diagram of the Arduino 4-Digit 7-segment LED Display, ... /* * Arduino 4x7 LED Display * Displays numbers ranging from 0 through 1023 * Test Code displays the value of a sensor ...