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Version 2 : was made with smaller servos and an extra micro servo connected to an infrared sensor.
Movement: Front, Back, Turn and a crab gait.
Year: 2018
Version 1: Included light sensors, IR sensor, Ultrasonic sensors and a reed switch to be light following, magnetic field repulsive along with obstacle avoiding.
c.2013
Description: This autonomous walker has four legs, one waist and one swiveling head with analog servos as primary actuators. The sensor is a simple infrared sensor that sends signals for obstacle avoidance.. The brain/spine of this system is an Atmega328 IC running at 16MHz. The robot is designed to lift up the waist, and turn the legs around till the center of gravity of the robot is outside of the triangular plane made by the three legs on the ground. The head powered by a micro-servo that swivels around allows recording the values from the sensor at different yaw angles. An interrupt service routine checks for the IR sensor value and changes its direction and gait depending on those values.
The older version of the robot also incorporated light sensors connected to the ADC of the Arduino to act as sensors for light following behavior. A previous version of this project incorporated ultrasonic sensors and light sensors as well as a reed switch.
The robot is inspired by the famous B.E.A.M Robot The Walkman VBug 1.5(Shown in the image below) which was made purely out of scrap metal electronics and electronic "neural networks" based around 74Series IC's.
The beautifully made Walkman Robot VBug 1.5 made by made by Mark Tilden of B.E.A.M robotics fame constructed purely out of scrapped electronics.
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