Question: In Arduino coding, what is the difference between the Parallax Ping sensor and HC - SRO 4 ultrasonic sensor ? In a Parallax Ping sensor

In Arduino coding, what is the difference between the Parallax Ping sensor and HC-SRO4 ultrasonic sensor? In a Parallax Ping sensor, one must declare the signal pin as input for the echo function and output for the trigger function. On the other hand, the HC-SR04 ultrasonic sensor has separate trigger and echo pins. In a HC-SR04 ultrasonic sensor, one must declare the signal pin as input for the echo function and output for the trigger function. On the other hand, the Parallax ping sensor has separate trigger and echo pins. In a Parallax Ping sensor, one must declare the signal pin as input for the trigger function and output for the echo function. On the other hand, the HC-SR04 ultrasonic sensor has separate trigger and echo pins. In a HC-SR04 ultrasonic sensor, one must declare the signal pin as input for the trigger function and output for the echo function. On the other hand, the Parallax Ping sensor has separate trigger and echo pins.

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