Pay in 4 interest-free payments of $201.12 Learn more
Ships within 48 hours · Estimated delivery Aug 2 - Aug 7
Automatic billing systems
has a pinout diagram to make it easier for customers to grasp
The counter advances on the HIGH-to-LOW transition of CP
Allow the host to see a live video feed on their smartphone
HC-SR04 Ultrasonic Distance Sensor Module (Pack of 20) photoelectric proximity sensor Automatic billing systemsHC SR04 Ultrasonic Distance Sensor Module (Pack of 20) This is a Ultrasonic Distance Sensor Module of 20 Quantity. Ultrasonic Module HC SR04 Distance Sensor can measure the distance to an object by using echo. It can measure the distance between the sensor and the object by the time from the sound wave of a specific frequency to the time when the sound wave is heard to bounce back. The HC SR04 Ultrasonic Distance Sensor Pack of 20 is perfect for all
US$ 285.00
US$ 51.00
US$ 100.00
US$ 10.67
US$ 13.12
US$ 1250.00
US$ 12.08
US$ 59.99
US$ 29.99
US$ 49.99
US$ 19.99
US$ 51.00
US$ 220.00
US$ 300.00
US$ 150.00