Reveal Method to Conceal TactileTouch Buttons in Your Forthcoming 3D Print Project
In the world of 3D printing, innovation never stops, and the latest development comes from John Phillips and Luke Ditria, two makers who have found a way to integrate capacitive touch sensors directly into 3D prints.
John Phillips, an inventor with a keen interest in 3D printing, has proposed this novel idea. He suggests using copper tape as the key component for these touch-sensitive buttons. The adhesive on the copper tape ensures it stays in place as the 3D printer seals it in on subsequent passes.
Phillips recommends embedding the copper tape three layers into the print, with 0.6 mm of plastic surrounding it when using standard 0.20 mm layer heights. This placement allows for optimal sensitivity and reliability.
For those who are new to this concept, the software for capacitive touch sensors can be as simple as using an Arduino library. Phillips even wrote his own code for the capacitive touch sensor, demonstrating the accessibility of this technology.
Luke Ditria, another DIY maker, had the initial idea to integrate capacitive touch sensors directly into 3D prints. He showcased this innovation by embedding capacitive touch sensors in his 3D printed translucent LED light pipes.
The process for embedding touch-sensitive buttons into a 3D print is similar to embedding other hardware, such as magnets or fasteners. A simple spring can be used to create a capacitive touch sensor right up against some plastic.
To wire the touch pad, Phillips leaves a small hole over the copper tape. A wire can be stuck into the hole and tacked down with the tip of a soldering iron and a blob of solder after the print is complete.
In conclusion, the idea of embedding capacitive touch buttons directly into a 3D print is a promising development in the field of DIY electronics. With its simplicity and accessibility, this innovation opens up a world of possibilities for creators and inventors alike.
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