Description: Use imported groove coupler sensor Using a wide voltage LM393 comparator With signal output indication light. When the ouput is high level, the indicator is off, the ouput is low level, the indicator is on The OUT pin is low leve when there is no object between the photoelectric sensor, and the OUT pin is high leve when there is a object between the photoelectric sensor The comparator output, the signal is clean, the waveform, driving ability, more than 15mA The groove width: Approx. 10mm Operating voltage 3.3V-5V The output form: Digital switching outputs. (0 and 1) A fixed bolt hole for easy installation Size: Approx. 2.3 x 2 x 1.8cm / 0.91 x 0.79 x 0.71inch Module Using 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 LM393 Speed Sensor
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