2-way Motor Speed Sensor Module เซนเซอร์วัดความเร็วรอบ Speed Counter สำหรับ Smart Car

โมดูล 2-way Motor Speed Sensor นิยมใช้ในงาน motor speed detection, pulse counting, position limits. 

Features:

1. the use of imported groove coupler sensor 
2. the groove width of 5mm. 
3. the output status indicator, the output high-level lights off, the output low-level lights. 
4. a block, the output low; no shelter, the output high. 
5. the comparator output, the signal clean, good waveform, driving ability, more than 15mA. 
6. the working voltage of 5V-3.3V 
7. the output form: digital switching output (0 and 1) 
8. a fixed bolt hole for easy installation 
9. small PCB board size: 3.2cm X 1.7cm 
10. using a wide voltage LM393 the comparator 

Usage:
1. module slots unobstructed, receiver tube is turned on, the module DO output low, when blocked, DO output high; 
2. DO module can be connected to the relay, consisting of limit switches, etc. Function, can also be connected with the active buzzer module to form the alarm.