Since this project uses a water flow sensor containing a Hall-Effect sensor that outputs a pulse rate proportional to flow rate, so not only is it a useful project in its own right but it also ...

Measuring air flow in an HVAC duct can be a ... He’s getting real numbers back and getting close to a sensor that will go into an HVAC automation project. The video below shows his progress ...

made with a cheap line laser and an optical mouse’s flow-sensor chip used as a low-resolution camera. In one sense, it’s a standard laser-distance-sensor project. But it is clever for a whole ...

Adding Sinopé’s 3/4-inch flow sensor to the package will add $42 to ... this was by no means a major project. That said, there’s certainly no shame in calling a professional to do the job ...