Documentation on how to use this library is located in the wiki and also on the Arduino Playground. Please report any bugs or issues you find on the issue tracker. Initial code derived from Paul ...

This is an interface for an LCD keypad connected to an Arduino. This basic version has a clock, an alarm, and a timer. - jolly-walrus/Arduino-LCD-keypad-shield-clock ...

This Arduino based little digital tachometer was originally created for counting the speed of turntables and fidget spinners. There is another application to consider – a rear wheel tachometer for ...