Cheap, Easy To Build Robot For beginners

Robotics kits are a great way to get folks , young and old, interested in hacking and learning the basics. Quite often, the cost puts them off – it’s no fun if you mess things up while learning how to put an expensive kit together. Many kits are too polished and that leads to beginners feeling that they’ll never be able to build something complex like a robot. The Shonkbot is what the team at Bristol Hackspace came up with for a robot that is obvious in its working and encouragingly easy to build, even for kids (with supervision).  To that effect, they completely avoided custom PCBs and laser cut bits. The Shonkbot is built from easily available parts and some commonly available materials. They aimed to build it for £5, but managed £15. With proper planning and time, they guess it can be brought down to £10.

The Shonkbot is built using an Arduino Nano, two stepper motors with their drivers, a 3xAA battery box and some bits and bobs. Assembly takes about an hour for a 10-year-old and then they can reprogram it in another workshop or at home. The “frame” of the Shonkbot is an old CD-ROM or DVD disk. Everything is hot glued to this frame. At the centre of the disk, a Sharpie is inserted and the Arduino code then allows the robot to draw on paper. Upgrades include adding an IR LED, a photo transistor and a buzzer to allow the Shonkbot to detect objects, or communicate with other Shonkbots. Build instructions are detailed in this document, and the code is available from the Github repository. Here is a photo album from their first build workshop which was held recently.

Thanks to [Matthew Venn] from the Bristol Hackspace for sending in this tip. Check the robot in action in the video below.

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