Specification:
- Working voltage: 3.3V~5V
- Weight:8g
- Dimensions: Approx.3.2cm x1.4cmx0.7cm
- Brand new and high quality
- 5mm Groove width
- Using wide voltage LM393 comparator
- Application: Widely used in dynamo speed detecting, pulse counting, etc
- Output form: Digital switch output (0 and 1) and Analog for Sensitivity.
Package include :
- 1x F249 High Quality 4 PIN Infrared Speed Sensor Module
Pinout
- VCC positive power supply 3.3-5V
- GND power supply is negative
- DO TTL switching signal output
- AO this module does not work