#define ECHO_PIN 12 // Arduino pin tied to echo pin on the ultrasonic sensor ... draw bar graph from the analog value rjx.drawValue( distanceCM, MAX_DISTANCE); // -- do some delay: frequent draw may ...

In this tutorial, we'll guide you through interfacing an Arduino with an ultrasonic sensor to measure distance and show it on the Serial monitor. We'll start by explaining how to interface the ...

All started with an idea to make it simple, just like the picture of the open-roberta block-code after trying I decided to realise it in the arduino ide, but in the end it's a mesh up of an easy lcd ...