Summary

https://www.youtube.com/watch?v=eSDkyJnjuno

I created this design for my sister, I had the Pololu Round Robot Chassis Kit so I created all the parts according to it. I created different versions of stl files, some have holes for sensors, it depends by what you want to create. I ordered ultrasonic sensor to avoid impacts, bluetooth module to control R2D2 with my smartphone. (Online there are many apps, I have still to decide which one I can use). The head has a hole for the led. The base has a hole for an on/off switch. I ordered a servo to move the head (but I have to test it, probably servo isn't enough) I will use a module and a speaker to make it talk. Most of modules are in travel to my house so I will keep updating this post. If you have any sugguestions or questions feel free to write me. :) P.s. I used adhesive paper to finish the details of R2D2 so I added the stencils to make some details. Bill of materials -Robot Chassis Kit ( https://www.youtube.com/watch?v=eSDkyJnjuno -Arduino(Uno is enough, Mega is ok) -H bridge(http://www.ebay.it/itm/181855403486?_trksid=p2060353.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT)

1 led RGB common catode(http://www.ebay.it/itm/10-LED-RGB-4-PIN-Catodo-Comune-5mm-Ultrabrillante-10-RGB-LED-COMMON-CHATODE-/131167077543?hash=item1e8a2ac4a7:g:y1IAAOxyBjBTTB5n) -Bluetooth module for arduino (HC-05) (http://www.ebay.it/itm/252061666585?_trksid=p2060353.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT) -1 switch on/off (http://www.ebay.it/itm/Pulsante-Interruttore-ON-OFF-2-Pin-6A-250V-SWITCH-ROCKER-/172113140757?hash=item2812be1c15:g:zREAAOSwY45UTjo5) -1 power bank (10000 mAh is ok) -1 breadboard -ultrasonic sensor for arduino (http://www.ebay.it/itm/New-Arduino-Ultrasonic-Module-HC-SR04-Distance-Sensor-Measuring-Transducer-LS-/161937960004?hash=item25b4412c44:g:L0gAAOSwYIhWi4Zg) -speaker(http://www.ebay.it/itm/271964572792?_trksid=p2060353.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT)