12 - Arduino Nano Motor Driving with BD139 Transistor. 13 - Transistor Driver Circuit Using 547 and BD139. 14 - Read switch and Buzzer simulation with and Without Arduino nano. 15 - PIR Sensor ...

Ultrasonic Sensor Module. There are many types of Arduino distance sensors, but in this project we have used the HC-SR04 to measure distance in range of 2cm-400cm with an accuracy of 3mm.The sensor ...

The circuit was simulated in TinkerCad. This circuit can be used along with robot wheels so that they robots can change directions automatically if they face an obstacle. The circuit components are 2 ...

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 ...

Overall, this circuit diagram showcases the essential components and connections necessary for the Human-following robot to operate effectively. Circuit Connection: Arduino and HC-SR04 Ultrasonic ...

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 ...

Now, as we know how the components work, let’s go ahead and assemble theses components together and make a circuit as shown below. The Ultrasonic sensor is powered by 5V through Arduino, its trigger ...

In this review of the Maker Uno RP2040 board with the Arduino IDE we could blink LEDs, control RGB LED lights, press the user button to turn on one LED or make the buzzer output some melody, control a ...