In this project we’re building a cricket powered paddle wheel rover.

 

This simple water bot is 3d printed and features a tripod mount for capturing underwater photography.

 

The rover stays afloat with the help of pool noodles that are mounted to the 3d printed enclosure.

 

We used NinjaFlex filament to 3d print watertight mounts for the motors and components!

Parts

 

You can find the list of all parts used to make this project linked below!

 

We used MakeCode and programed our water bot to maneuver around obstacles. You can use the on-board sensors to make it interactive!

 

3D Printed Parts

 

These flexible motor mounts press fit together to help prevent water from getting into the components. 

Prerequisite Guides

There's resources in these guides that go beyond what's covered in this tutorial. MakeCode guide is all about setting up your Circuit Playground Express board. TheCircuit Playground Express introduction guide walks you through all of the pinouts, sensors and everything you need to know.

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4 x Motor housing
M2x8mm
12 x CPX to Crickit
M3 x 7mm
4 x Crickit to Case
M3 x 6mm
1 x 60mm diameter pool noodle
60mm diameter pool noodle

We found the pool noodles have enough support for gopro session, but a slightly larger one like a GoPro hero should hold up. You can adjust the position of mini ball head to adapter for different water depths!

This guide was first published on Aug 01, 2018. It was last updated on Aug 01, 2018.

This page (Overview) was last updated on Oct 03, 2020.

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