LM393 Engine Speed Sensor
It is the sensor that measures engine speed. Motor speed, direction, position limit, pulse count, etc. You can use it in your applications. It works on the opto-couple principle. It gives digital output.
Features:
Slit size: 10 mm
Operating voltage: 3.3 - 5V
Card size: 25 mm x 20 mm
Uses LM393 comparator integrated
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