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Ben Heck’s Super Glue Gun: Programming and electronics

Welcome to the design phase.
06.04.17 in DIY

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Armed with some early insight from his Great Glue Gun project, Ben goes heads down on redesigning a 3D-printed mount for the motor using Autodesk Fusion 360. Still, it makes sense to check these things before committing to a 3D print, so Ben laser-cuts a paper pattern first to see if fits. It's not all about physical design, though -- it's time to start programming the ATTiny microcontrollers with AtmelStudio and C++. Thanks to a bit of Boolean logic and binary arithmetic, Ben can control the motor with a technique called "pulse width modulation," or PWM! Make sure you follow along with the build over on the element14 Community and chime in with any ideas you have.

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