Want to sense air temperature? There’s a sensor for that. Particulate content in the air? There’s a sensor for that, too. Someone sneaking up on you? Get yourself some passive infrared sensors ...

A new smart energy monitoring sensor from Melexis has been introduced that can be used for clamp-on measurement in a range of applications. Dubbed MLX91218-LF, the hall current sensor is designed for ...

Nevertheless, this could be a handy sensor, and it’s definitely a solid lesson in design. Still, if your tastes run more toward using this module on the 1.25-cm ham band, have a look at this ...