What is Computer Vision? Computer vision is a field of artificial intelligence and computer science that enables machines to interpret and process visual data. It involves extracting meaningful information from images or videos, enabling tasks like object detection, face recognition, and motion tracking. Importance of Computer Vision in Electronics and Robotics In electronics and robotics,…
What is a Relay Module? A Relay Module is essential for controlling high-power devices with low-power circuits, such as those driven by an Arduino. It functions as a switch that can be operated electronically, allowing an Arduino to control devices like lights, motors, and other appliances running on higher voltages or currents than the Arduino can…
What is an LCD Display? An LCD (Liquid Crystal Display) is a popular component used in electronic projects to display information such as sensor data, messages, or user interfaces. It’s widely adopted due to its low power consumption and ease of use. One of the most commonly used LCDs is the 16×2 LCD, which can…
What is the Bluetooth Module? Bluetooth module is a useful component in electronics projects, enabling wireless communication between devices. These modules can be integrated into Arduino projects to send and receive data without physical connections. Bluetooth technology is commonly used in applications such as wireless speakers, smart home devices, and personal gadgets. In the Arduino…
What is Keypad? A keypad is a user-input device with buttons arranged in a grid pattern. It’s commonly found in telephones, calculators, ATMs, and entry systems. A keypad is an ideal tool for user input in electronics projects, especially when numbers or commands need to be entered directly into a system. Keypads come in various…
What is the L298N Motor Driver Shield? The L298N motor driver shield is a versatile module used to control the speed and direction of DC motors and stepper motors in Arduino projects. It’s based on the L298N dual H-Bridge motor driver IC, which can drive up to two DC motors simultaneously. While the L293D motor…
What is the L293D Motor Driver Shield? The L293D motor driver shield is an expansion board that allows you to control DC motors, stepper motors, and servos directly with an Arduino. This shield is widely used in robotics projects because it simplifies motor control by providing the necessary power and signal interface between your motors…
Introduction Many robotics and automation projects use servo motors because they provide precision and control over movement. Unlike standard motors, servo motors allow you to position them at specific angles, making them ideal for applications that require fine control. In this lesson, we’ll guide you through the basics of using servo motors with Arduino, focusing…
Introduction Monitoring air quality and detecting harmful gases is critical for health and safety in homes, industries, and public spaces. Gas sensors provide a simple way to measure the concentration of gases in the environment, which can be used to detect dangerous gases like carbon monoxide, and methane, or even to monitor indoor air quality….
Introduction Measuring environmental conditions like temperature and humidity is crucial in many applications. In this guide, we will explore how to use temperature and humidity sensors with Arduino, focusing on the popular DHT11 and DHT22 sensors, and providing a step-by-step approach to wiring, coding, and reading values. What are Temperature and Humidity Sensors? Temperature and…