Arduino UNO board ×1. Ultrasonic sensor ×3. L298N motor driver ×1. Robot chassis. BO motors ×2. Wheels ×2. Li-ion battery 3.7V ×2. Battery holder ×1. Breadboard. Ultrasonic sensor holder ×3. Switch ...

11 - Arduino Nano Buzzer simulation. 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 ...

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 ...

HC-SR04 Ultrasonic Sensor; LM298N Motor Driver Module; 5V DC Motors; Battery; Wheels; Chassis; Jumper Wires . Circuit Diagram. The complete circuit diagram for this project is given below, as you can ...

Connecting together pins 7 & 8 on the p.c. board will make the circuit to stay triggered till it is manually reset after an alarm. This can be very useful if you want to know that there was an attempt ...

This project involves using an Arduino to measure distances using an ultrasonic sensor and controlling a buzzer and LED based on the measured distance. The provided Arduino code performs the following ...

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 ...