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SG90 Servo Motor with ESP32 DOIT Kit v1
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
LED Brightness Control with Potentiometer using ESP32 DOIT DevKit v1
Introduction An LED can be turned ON or OFF using a digital pin, but controlling its brightness requires PWM (Pulse Width Modulation). The ESP32 supports PWM on almost all GPIOs,
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Potentiometer with ESP32 DOIT DevKit v1 – Step-by-Step Tutorial
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
LDR (Light Sensor) with ESP32 DOIT DevKit v1 – Step-by-Step Tutorial
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
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