Arduino code for detecting basic hand gestures using HC-SR04 ultrasonic distance sensor array. This code utilizes three HC-SR04 ultrasonic distance sensor modules placed linearly with a fixed distance ...

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Ultrasonic Levitation Circuit Diagram. The complete Arduino Levitation circuit is shown below and the working principle of the circuit is very simple. The main component of this project is an Arduino, ...

In Electronics, most of the time Ultrasonic Sensors are used to measure the distance from one particular point to another. It is very easy to write a code on the Arduino board and integrate an ...

This is an Arduino-based Proximity Sensor circuit wired using the popular HC-SR04 Ultrasonic ranging module,used here for non-contact object detection purpose. The HC-SR04 module includes ultrasonic ...

1 Arduino Ultrasonic Sensor (HC-SR04) 1 buzzer; Ultrasonic sensor, mounting circuit; It is a very simple circuit. On the one hand, we will have all the alerts, acoustic and visual, and on the other ...

Preparing the ultrasonic sensor: (Fig. 11: Sensor connections) Place the ultrasonic sensor on the servo using the sensor stand. Then plug four wires into the sensor using female jumpers. Next, connect ...