By itself, the distance sensor wouldn’t do much so [David] made ... the micro controller also outputs the salt quantity level via a 10 LED bar graph which is mounted in a wall plate.

The typical gamma level or density system consists of four parts: the radioactive source, a source holder, a detector, and the brackets to mount the components to the process vessel or pipeline. The ...

The Blueprint Multi-Drill can be used to drill holes or drive screws but also features an integrated stud sensor and a removable laser level. The Multi-Drill is available now through Dremel’s ...