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Modular Floor Graffiter

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A modular solution to paint with sand/water/paint on the floor

Updated at source: Apr 17, 2023

Model information

Based on other ideas, this is a project to create a modular machine to be used for drawing texts on the floor.

First design is to use something like that:

Inside it there will be a pressure tank like this (or two of them):

And a micro-controller to control 8 valves and a rotary encoder.

Using the rotary encoder which count the wheel rotations the micro-controller can sense the distance the cart moved.

According to the distance and text fed to the micro, 8 valves will be timed to print the text on the ground.

The painting module should be modular, and can paint using water, paint or sand.

See for example this:

The valves could be bought, like this:

Or printed like here:

Another nice option for a valve using a servo here:

Some links: