Biped Catbot: Walking and Dancing Robot using Arduino

The Biped Catbot is an autonomous, two-legged walking robot controlled by an Arduino Nano microcontroller. At the heart of the system is the Arduino Nano, which runs a compiled program written via the Arduino IDE using the Servo and NewPing libraries. Powering the entire system is a 7.4V Li-ion battery, connected through a manual switch to safely control the flow of electrical power to the microcontroller and actuators. The robot utilizes five SG90 metal gear servo motors to control its physical structure. These motors act as joints, receiving Pulse Width Modulation (PWM) signals from the Arduino Nano to precisely position the laser-cut acrylic robot parts, allowing the Catbot to execute bipedal walking gaits and dancing routines. For environmental interaction, an HC-SR04 ultrasonic sensor is integrated into the front of the robot. This sensor emits high-frequency sound waves and measures the time it takes for the echo to return, enabling the Arduino to calculate the distance to obstacles in its path. By processing this distance data in real-time, the Arduino Nano logic can dynamically alter the commands sent to the five servo motors, allowing the Catbot to navigate its surroundings, avoid collisions, and execute programmed movement sequences.