Quadruino is a walking quadruped robot that is able to navigate obstacles efficiently. Its design focuses on simplicity of construction, using only two servos to drive its legs. In addition, it has an HC-SR04 ultrasonic sensor that interacts with the Arduino microprocessor, acting as a watchful eye to avoid obstacles.
This is a companion discussion topic for the original entry at https://community.robotshop.com/index.php/robots/show/quadruino-quadruped-walking-robot-controlled-by-the-arduino