This Arduino-based project simulates a drone detecting obstacles using an HC-SR04 ultrasonic sensor. Visual and audio feedback is provided via LEDs, a buzzer, and an OLED display. It also includes a ...

Arduino portfolio featuring assignments, Tinkercad circuits, and demo videos with LEDs, buttons, sonar sensors, and servo motors. arduino led servo-motor tinkercad pulldownbutton Updated Jun 23, 2025 ...