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" ...

For those who have suffered a stroke, recovery is a long and slow process that requires rehabilitation to start as early as possible. Quite often, secondary stroke attacks complicate matters.