He decided to replace this with a modern mass air flow (MAF) sensor instead, and documented the process online. The output of the sensors was compared with a rig built using a vacuum cleaner to ...

Measuring air flow in an HVAC duct can be a tricky ... but takes some engineering to turn into a functional sensor. [ItMightBeWorse] is using readily available HC-SR04 sensor boards and has ...

The ST50 Thermal Mass Flow Meter from FCI delivers accurate air flow measurement to optimize their treatment processes and ...