How Can I Power My Portable Speaker with Both Batteries and USB Without Confusion?
Hey everyone! I'm working on a small portable speaker project that uses a couple of tiny class D amps (PAM8403 2x 3W). Originally, I planned to power it…
AA batteries
Looking for Bright 3W LED Options Over 300 Lumens
I'm working on a flashlight modification that runs on two AA batteries set up in parallel. My goal is to make it as bright as possible without changing…