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Pinetek Networks' IOL HAT is a Raspberry Pi expansion board using the IO-Link (IEC 61131-9) protocol to interact with ...
Using an Arduino Nano ... Ultrasonic Sensor Pins #define vccPin 4 // Ultrasonic sensor VCC pin #define trigPin 5 // Ultrasonic sensor Trigger pin #define echoPin 6 // Ultrasonic sensor Echo pin ...