Product Introduction:
The speed measuring module allows testing the speed of rotating objects, and is widely used for motor speed detection, pulse counting, position limit, etc. The speed measuring module can be connected with the relay to form a limit switch and other functions, and can also be connected with the active buzzer module to form an alarm.Product Features:1. Electronic building block interface2. Infrared emission tube3. Output Type: Digital switching output (0 and 1)Specifications:Size: 42mm x 42mmNet weight: 5gVoltage: DC3.3-5VPackage included:1 x Speedometer module