If you frequently use a 3D printer for your projects then you may experience issues calculating the material weight and length usage. If so, then you might be interested in this project using Arduino.

This project investigates the use of wood as a scale, so that people in a wood-frame building can be detected in real time (e.g., for intruder detection and energy conservation) and creating "smart" ...

Capacitive sensing isn't limited to your smartphone. In fact, you can use contact with human skin (or any other conductive surface) to trigger almost any circuit. And the Touch Board from Bare ...