A3144 Hall sensor module Speed ​​sensor Counting sensor Adjustable sensitivity

Module Interface Description: VCC: Positive supply 3.3-5V GND: Power is negative DO: digital output module, the output of low electromagnetic induction AO: real-time Hall voltage output Hall sensor module for magnetic field detection sensor with 3144E Hall switch sensor: the module has two outputs: 1, AO, Hall real-time output 2, DO, Hall signal ? Adjust the comparator Module output function: 1, small size, 32mm X 14mm 2, there are mounting screw holes 3mm 3, you can use 3-5.5v DC power supply 4, Hall actual output signal 5, through the comparator output signal is relatively stable 6, the comparator output capacity of 16mA 7, the power indicator 8, the comparator output indicator