5Pcs 3144E Effect Sensor Switch Speed Counting Sensor Module Magnetic Detector 3.3-5V

Features: 1. Small size, it has high sensitivity and fast response 2. Good temperature performance, it has high accuracy and high reliability. 3. Using 3144E switch type sensor for stable performance 4. When the sensor senses a magnetic field, the digital output is low and the light is on; if no magnetic field is sensed, the digital output is high and the is not lit. 5. This effect sensor switch has a power indicator and a indicator. 6. Good waveform and strong driving ability 7. It is provided with fixing bolt holes for easy installation and fixing. 8. Can be used for motor speed measurement, position detection, etc. Specification: Condition: 100% Brand New Package List: 5 * Effect Sensor Switch Wiring instructions: 1. VCC -power positive 2. GND -power supply negative 3. DO -TTL digital output Note: New- and old- are shipped randomly