Dec 14, 2015 | By Benedict

Students enrolled in the University of South Florida “Makecourse” have been producing some high quality 3D printing projects of late. Earlier this week, we reported on Ramy Mounir’s cool 3D printed balancing game, and today brings news of another impressive amateur additive project, also submitted to fulfil the requirements of the engineering course. Instructables user [chombaw] has designed a 3D printed robot called “The Social Quadruped”, thus named because of its friendly robot wave. The saluting machine, which is controlled wirelessly via Bluetooth, is able to walk on four legs with two degrees of freedom, and moves with a distinctive crawling motion.

The 3D printed robot utilizes an Arduino Uno, as well as an Arduino V5 Sensor Shield, HC-06 Bluetooth Module, 8 Futaba S3003 Standard Servos, Ultrasonic Sensor, and two separate power units for the Arduino and servos. The full complement of supplies can be obtained for between $197 and $217. The main structure of the crawling cyborg is 3D printed, with 10 distinct 3D printed parts and 25 total pieces. The maker has provided both the .stl and .ipt files so others can modify the design to suit their specific robotic needs. Some of the parts require sanding to fit, or can be suitably adjusted in size to better connect to one another.

To move forward, the robot simultaneously pushes its front right leg forward and its front left leg backward. This combined motion shifts the right side of the robot forward. The 3D printed robot then moves its rear left leg forward, while moving its rear right leg backward. These moves shift the left side of the robot forward. A repetition of these movements caused the 3D printed bot to gradually move forwards. The quadruped can also move backwards, by simply reversing each of these motions.

To rotate right, the 3D printed robot moves its front right leg forward, and its rear right leg forward, before moving its front right leg backward while keeping its rear left leg stationary. The front left leg then advances, before its rear right leg is moved back while its front left leg is moved forward. To rotate left, the opposite motions are carried out.

The maker has coded the Arduino to give the 3D printed robot a range of motions. As well as moving and turning, the robot can wave using either of its front legs, and can function on an autonomous mode.

The Makecourse is a 15 week course offered by the Univeristy of South Florida in which students learn the basic skills for engineering design projects. Students learn to use CAD software and 3D printers, as well as building Arduino control systems and programming in C++. The course will begin again in Spring 2016.



Posted in 3D Printing Application



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roger boulet wrote at 2/20/2018 12:33:10 PM:

hello I would like to contact you because I would like to add 4 other servomotor on this quadruped please help me

gabriel wrote at 2/16/2018 11:02:20 PM:

bonsoir j ai refait exactement le méme prototype avec une carte arduino uno et une sensor shield version 5 tout fonctionne a par le capteur sinon dans les grande ligne ses du tre bon travaille mais j ai une question hurgente esque d apres vous il et posible de changer de servo moteur et maitre que des mg955 ou mg 996 merci

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