Member Since: January 22, 2013

Country: United States

  • “Dinosaurs can’t innovate anymore, my ass!”

  • Hi, I’m relatively new to this but am migrating a project that I have working on the Uno to the Pro Micro (so it’s all a lot smaller…) I’m using the MPR121 Capacitive Touch Breakout Board which requires 3.3V. I’m using a 3.7V LiPo battery for power connected to the Pro Micro RAW pin; works great! Now I’m not sure how to also get 3.3V to the MPR121. On the Uno it’s easy/obvious since there’s a 3.3V out that I connect to the MPR121. Is there a way to get power off of the Pro Micro like the Uno or do I need to run power directly to the MPR121 through a 3.3V voltage regulator? Or something else? Thanks!

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