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Module Features:

• Use imported groove coupler sensor
• Groove Width: 5mm
• Output state indicator lights
• Obscured output high; unobstructed output low
• The comparator output, the signal is clean, the waveform, driving ability, more than 15mA
• Operating Voltage: 3.3V-5V
• The output in the form: Digital switching outputs (0 and 1)
• A fixed bolt hole for easy installation
• Small plates PCB Dimensions: 3.2 x 1.4cm / 1.25 * 0.55″
• Using a wide voltage LM393 comparator

Module Using The Instructions:

• Module slot unobstructed, receiver tube conduction module DO output low, shelter, DO output high
• 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

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