I quickly created a simple but compact digital tachometer using an Arduino Uno microcontroller and a pretty nice Arduino LCD Keypad Shield. The setup can measure how many times a switch/sensor action ...

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… ...

Meanwhile, pre-provided shield templates allow your smartphone’s display to emulate a switch, slider, keypad, or LCD display without you actually having to wire anything up.

The ELK Junior Arduino Uno case is equipped with a number of excellent features that include a custom moulded section for the LCD JEMshield++ together with a keypad, backlight, beeper, 2 relays ...