The Fingerprint Sensor Module from DFRobot utilises a high speed DSL processor to read, store and compare up to 1000 fingerprints on internal memory.
This YF-B6 Water Flow Sensor is capable of measuring flow between 1 and 30 L/min at a maximum pressure of 1.5 MPa via the Magnetic Hall Effect.
Analogue output Hall Effect (magnetic field) sensor module using a SS49E Linear Hall Effect Sensor
Analogue output with settable digital signal level output sensor module
Digital output Hall Effect (magnetic field) sensor module using a OH44E Unipolar Hall Effect Sensor