Electronics designer Patrick Thomas Mitchell has returned once again to Kickstarter to launch his new Raspberry Pi and Arduino programmable timer aptly named the Ninja Counter. The programmable timer ...

A portable Arduino timer. Has two different modes: one where it counts up, and one where it counts down. The user interface is done through an LCD screen, and the input comes from 2 push buttons. The ...

This library was originally developed by Dr. Simon Monk to avoid problems that arise when you start trying to do much inside the loop() function. It can change pin values or run a callback function.