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LM393 Slot type Optocoupler Module Speed Measuring Sensor Raspberry Pi Arduino

LM393 Slot-type Optocoupler Module Speed Measuring Sensor Raspberry Pi Arduino
Module Features:
1. Use imported groove coupler sensor.
2. Groove width:5mm.
3. Output state indicator lights.
4. Obscured output high; unobstructed output low. 
5. The comparator output, the signal is clean, the waveform, driving ability, more than 15mA.
6. Operating voltage 3.3V-5V.
7. The output in the form: Digital switching outputs. (0 and 1) 
8. A fixed bolt hole for easy installation.
9. Small plates PCB Dimensions: 3.2cm x 1.4cm.
10.Using a wide voltage LM393 comparator.
Module Using The Instructions: 
1. Module slot unobstructed, receiver tube conduction module DO output low, shelter, DO output high.
2 .Module DO connected to the relay, composed of the limit switch functions can also be connected to the active buzzer module, composed of the alarm.
Package Includes: 
1 x USB Voltage meter 
Raspberry Pi is a Trademark of the Raspberry Pi Foundation.
Product ID: EP00163

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