Robotic Snake using Arduino

We Humans have always been inspired by nature so much that we try to replicate everything that nature can do one such example is making a robotic snake.

which slithers and moves like a snake and makes it fun and knowledgeable to build.in this project we will learn to achieve movements like the snake using servo motors and Arduino. The snake-like robot is a biomorphic hyper-redundant robot that resembles a snake. The shape and sizes of the snake-like robot is depended on its own application, different application may require different sizes and shapes, since this project mainly target is to design a snake-like robot that can avoid the obstacles, so the snake-like robot is designed to a moderate size with 8 segments, so that the snake-like robot can move flexibly in the terrain that has a lot of obstacles.

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In order to make the snake-like robot function and move like a real biological snake, the snake-like robot may construct of multiple joints which enable the snake-like robot to have multiple degrees of freedom, which give it the ability to flex, reach and approach a huge volume in its workspace with an infinite number of configurations. This mobility can enable the robot to move around in more complex environments. So, the application for this snake-like robot could be very useful in hard to reach places or hazardous environments.

Project Descriptions:

1. Servo Motors:servo motors used to decide and direct the motion of the snake.
2. 3D Printed Body Parts:these parts will make the connection of the body of the snake and give motion flexibility.
3. Arduino Nano:Used to process and feed the data for movement control.
4. Power Source:we will require external power source for running of servos.
5. Breadboard and Jumper cables:required for testing and operation.
6. 18 and 22 gauge wire:Use 18 and 22-gauge wires for connections so that they can withstand higher current.

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Project Implementation:

1. First print all the parts for the snake and file all connect all of them to make the body frame of the snake.
2. Run a simple code to rotate servos and test by dumping the code in Arduino.
3. Solder all components and modify the power cable and attach to the snake power input.
4. Instead of power cable u can also use LiPo Battery pack.
5. Upload a test code for testing in real environment.
6. Make modifications and decide to use either scales or wheels for movement.
7. Dump the correct code and test it.

Obsctale detection and Countermeasures: If any obstacle comes in the path of the snake-like robot, it will stop and center all the segments once the sensor detects an obstacle within the desired range. After a certain delay, the head of the snake-like robot (1st segment) will turn to the end of the left (45 degrees to the left). Then, the 1st segment will move step by step with a certain step size of the angle, until it reaches the end of right. At the same time, the microcontroller will remember the angle once the sensor detects the obstacle, and then accumulate the steps that the obstacle still within the range (obstacle form) to calculate the size of the obstacle, and determine the end of the obstacle, then the snake-like robot will determine the direction to move. if it still doesn't find a path to go in other direction the climbing mode will be activated.

Software Requirements:

1. Any 3D Printing Software:Software used to decide the print quality and time of print.
2. Solidworks/Sketchup:any design software if you want to make the links of the robots by yourself.

• 3D Printing
• Arduino
• Servo Motor

• 3D Printing
• Arduino
• robotics

Robotic Snake using Arduino