The PrintBot Beetle is an educational robot that can follow lines, search for light, and grab objects with its claw. You can see it in action at 

The robot has been designed to attach other components such as servos, LEDs, push buttons, a buzzer, and other sensors included in the product "Zum Box" distributed by BQ.

BOM

Printed parts: You will need to print one copy of each part, except for the following:

4 x screw_cover 2 x wheel_front 2 x wheel_rear

Hardware:

7 x M3x10 screw 1 x M3x12 screw 8 x M3x16 screw 2 x M3x25 screw 2 x M3x35 screw 14 x M3 nut 3 x M3 blocking nut 4 x 3x84mm O-ring 8 x AAA batteries

Parts included in "Zum Box" by BQ:

1 x Battery holder 1 x BQ Zum Core 2 x IR sensor 2 x Led 2 x Miniservo 2 x Continuous rotation servos

Build Instructions See the attached pdf (in Spanish) in the "Files" section. Pictures are clear enough to follow the steps even if you do not understand Spanish.

Example code

Attached you will find two simple Arduino programs ("Arduino_escarabajo..."). One follows a line and the other searches for the brightest spot. Android-Control Now you can control your robot through the "RoboPad" app. So just upload the "Arduino_robopad_escarabajo.ino" into your robot, connect the Bluetooth Module and install the Android app: https://play.google.com/store/apps/details?id=com... Youtube trailer: https://play.google.com/store/apps/details?id=com...