Introduction An RGB LED is a special LED that can emit Red, Green, and Blue light. By combining these three colors in different intensities, we can create almost any color.
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Introduction The HC-SR04 Ultrasonic Sensor is widely used to measure distance by emitting ultrasonic waves and measuring the time it takes for the echo to return. It works like sonar:
Introduction An LDR (Light Dependent Resistor) is a sensor that changes its resistance based on light intensity: By connecting the LDR to an analog input pin of ESP32, we can
Introduction The Capacitive Soil Moisture Sensor is widely used in smart farming and gardening projects. Unlike the resistive type, it does not corrode easily, making it more durable for long-term
Introduction The LED blink program is often called the “Hello World” of embedded systems. It’s the simplest way to test if your ESP32 is working properly and if you can
Introduction A potentiometer (often called a pot) is a variable resistor that allows you to adjust resistance manually by rotating its knob. It is commonly used for volume control, brightness
Introduction The SG90 servo motor is a lightweight and low-cost motor commonly used in robotics, IoT, and automation projects. Unlike DC motors, which rotate continuously, a servo motor can be
Introduction RGB LEDs are special LEDs that combine Red, Green, and Blue in one package. By adjusting the brightness of each color, you can create millions of colors 🌈. In
Introduction The HC-SR04 Ultrasonic Sensor is widely used for distance measurement in robotics, automation, and obstacle detection projects. It works by sending out ultrasonic waves and measuring the time it
Introduction The NEO-6M GPS module is a powerful, low-cost GPS receiver that allows your ESP32 projects to access real-time location data, including latitude, longitude, altitude, and time. GPS technology is
