A new series of magnetically-operated reed proximity switches are said to be suitable replacements for mechanical switches, especially in wet and dirty applications. The MK4/5/13 Series reed sensors ...

Here is a simple general-purpose security alarm circuit built on the Arduino platform. It brings up an obtrusive alert signal when an intrusion/theft attempt is observed by its front-end sensor. In ...

There are two sensor choices, reed and Hall-effect switches. They have many similarities but also significant differences, explains Martin Reizner. Demand for reed switches has risen significantly in ...