Record and Play Arduino 3 D Printed Robotic Arm

This is the second version of my 3D printed robotic arm wich is now capable to performs a prerecorded task many times like a real industrial machine. It contains 4pcs. cheap SG 90 servo motors that are powered by the Arduino board. You can download. stl files for 3D printing from the link given below, or directly to Thingiverse web : . This time I slightly modified the Aswinth Raj code to fit 4 servo motors instead of 5. After we upload the code to the Ard