How to Safely Power LED String Lights from USB?
I have a set of mini holiday LED lights that were originally powered by 3 AA batteries, but the battery holder broke. I thought it would be great…
USB power
Is It Safe to Use Household Outlets for USB Device Power?
Hey folks! I'm working on setting up some automation sensors in my home, each requiring 5V at 2A. I'm considering running long USB cables through my attic, but…
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…
How can I power my DIY guitar pedal with USB-C or Micro USB?
I built a DIY guitar pedal that runs on a 9V battery, but I'm currently using a cumbersome power supply with crocodile clips. I noticed that most USB…
How to Wire Up 3V Dollhouse Lights to a USB Power Source?
Hey everyone! I'm working on a diorama and I have these prewired 3V dollhouse lights that I want to power using a USB connection. Since USB outputs 5V,…