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Here We make Electronics projects based on Esp 32
This project demonstrates a smooth and interactive way to control a standard SG90 TowerPro servo motor using two TTP223 capacitive touch buttons and an RGB LED. The servo rotates clockwise or anticlockwise only while a touch button is pressed, giving you precise manual control of the motor without jumps or delays. When you release the button, the servo instantly freezes at the exact position, making it ideal for robotics, mechatronics, and motion-based DIY builds.

The RGB LED is wired as a common-anode LED and provides real-time visual feedback depending on servo movement. When the servo rotates clockwise, the LED smoothly fades into a bright red color. When rotating anticlockwise, it fades into blue. When the servo is idle—no touch detected—the LED fades to green. All color transitions use a non-blocking fade algorithm, ensuring a soft and satisfying lighting effect that updates without interfering with servo motion.

The code uses analogWrite PWM signals for the RGB LED, and smooth incremental angle updates for the servo, avoiding sudden jumps. Thanks to millis()-based timing, everything runs fluidly without delay(), keeping the system responsive at all times. This makes the setup perfect for short demonstrations, engineering projects, and creative electronics builds where touch-based motion control and color feedback are desired.

Whether you're making a robotic arm, a rotating indicator, a custom UI control, or experimenting with capacitive touch sensing, this setup offers a clean, minimal, and beautifully smooth way to interact with your projects. This is a great combination of ESP32, SG90 servo motor, TTP223 touch buttons, and RGB LED feedback—all working together in sync.