Can be used in such occasions as Motor speed/location detecting
Size: 32mm X 14mm
There is mounting screw holes of 3mm
Directions :
main chip: LM393, Hall sensor
+ : positive power supply 3.3-5V; - : power supply is negative; DO: digital output module, the output low magnetic induction; AO: Hall voltage output in real time.
Package list :
1x SainSmart Hall Effect Sensor Switch Magnetic Detector Module