I was thinking one of the smaller Arduino clones. Perhaps built into one of the 6 slotted, vented extensions. Then powering the thing becomes the issue. Time to read the data sheets on the sound boards!!
I was thinking one of the smaller Arduino clones. Perhaps built into one of the 6 slotted, vented extensions. Then powering the thing becomes the issue. Time to read the data sheets on the sound boards!!
An Arduino, the Uno at least, can run fully off a 7.4 volt Li-Ion. You might be able to run it in parallel with the soundboard. Arduinos don't use that much current, depending on your application. The IR sensor shouldn't use that much though.
Welcome to saber building. You've taken your first step into a larger world.
"Don't get the idea that your [lightsaber] is a quick little project to be slapped together." - Luke Skywalker
The Pro Mini and Nano variants would be fine running off a 7.4V pack. Their on-board regulators are supposed to be able to take up to 12 volts. I've powered a Nano with an 9.6V NIMH rechargeable battery pack before.
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