Hall sensor Speed ​​sensor Counting sensor Module

Module 1 description:

1 size: 2.7cm *1.4mm 2 main chips: LM393, 3144 hall sensorsWorking voltage: dc 5 v

2 module interface description (4-wire system):

1 VCC external 5V voltage2 GND external to GND3 DO panel digital output interface (0 and 1)

Features of the three modules:

1. With power indicator and signal output indicator.

2. Single-channel signal output.

3. No trigger of the module, low output level; Module has trigger, output high level.

4. Adjustable sensitivity (fine adjustment).

5. there is a magnetic cutting signal output.

6. circuit board output switch quantity, can be directly connected to the MCU or the store relay module, buzzer module.

7. can be used for motor speed/position detection and other occasions