Once you have a track and a kart to race on it, what’s missing? A lap counter that can give your lap times in hardcopy, obviously! That’s what led [the_anykey] to create the Arduino-based Lap Timer to ...

This is a timer/counter program for Arduino Uno. It utilizes buttons as inputs, a buzzer as an indicator, and an LCD I2C 1602 display to provide user interface and display functionality. The program ...

Swimming is a great way to exercise, both for the cardiovascular benefits and the improved muscle tone. However, while he’s a fan, [Peter Quinn] sometimes finds it hard to keep track of how far he’s ...