The Pr0JCL0C – a simple project time tracker

If you have ever wondered how much time you have used on a project, Mark Wilson has the project for you – his Pr0JCL0C. It is a simple timer and clock that will record elapsed time between pressing a start and finish button – ideal for logging total time spent on a particular project. It is simple to build, and only uses an Arduino board, a real-time clock and display. Here it is in operation:

 

Simple, yet effective. For more information, including detailed photos, circuit and the Arduino sketch – see Mark’s page. If you are building your own project clock – consider using one of our Arduino-compatibles such as the Freetronics Eleven, and our highly accurate real-time clock module:

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