This is the Speed Measuring Sensor Module For Arduino. An infrared emitter on one side and receiver on the other side is used to detect the speed or RPM. There is an encoder wheel used to measure RPM that is placed between the sensors. The DO output interface can be directly connected to a microcontroller IO port if there is a block detection sensor, such as the speed of the motor encoder detection.
Features:
It has the output state light, if the output is high level, the lights are off. if the output is low level, it is on.
If it is covered, it will output a high level; otherwise, it output a low level.
Good signal and waveform, with a strong driving ability for more than 15mA.
Equipped with a fixed bolt hole, easy install.
Use the LM393 wide voltage comparer.
The DO output interface can be directly connected to a micro-controller IO port if there is a block detection sensor, such as the speed of the motor encoder.
DO modules can be connected to the relay, limit switch, and other functions, it can also with the active buzzer module, compose an alarm.
Package Includes:
1 x HC89 Interrupt Sensor Speed Encoder Module
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