Drake Alexander Posted February 27, 2018 Report Share Posted February 27, 2018 Hello There. I'm looking to make a stunt lightsaber for P.R. Comicon and I was wondering if a 12v LED light strip can be powered by a 9v battery. Is there another option? I'm working with limited space so, any other option needs to be under 1" to 1-1/2 inches. Thanks. Quote Link to comment
Dilnad Posted February 28, 2018 Report Share Posted February 28, 2018 Best way to run LEDs off a 9v battery is to get 3v LEDs with a resister designed to run on 9v. Amazon or Ebay has them. Just look for 9v LEDs. They just come with an inline resistor already attached. 1 1 Quote Hey. I've got a blog!! ----> The Dilnad Can! This is how I did it. This is how you too can do it! ----> http://www.nerdfitness.com/blog/2015/09/28/learn-how-an-office-worker-lost-100-lbs-saved-his-own-life-and-became-a-superhero/ Link to comment
Gainsdalf the Whey Posted March 9, 2018 Report Share Posted March 9, 2018 Would wiring up a 9V in series with 2x AAs (1.5V each) work? 1 Quote Massrandir, Barkûn, Swolórin, The Whey Pilgrim 500 / 330 / 625 Challenges: 19 20 21 22 23 24 25 26 27 28 29 31 32 34 35 36 39 41 42 45 46 47 48 49 Current Challenge "No citizen has a right to be an amateur in the matter of physical training. What a disgrace it is for a man to grow old without ever seeing the beauty and strength of which his body is capable. " ~ Socrates "Friends don't let friends squat high." ~ Chad Wesley Smith "It's a dangerous business, Brodo, squatting to the floor. You step into the rack, and if you don't keep your form, there's no knowing where you might be swept off to." ~ Gainsdalf Link to comment
Drake Alexander Posted March 9, 2018 Author Report Share Posted March 9, 2018 4 minutes ago, Gainsdalf the Whey said: Would wiring up a 9V in series with 2x AAs (1.5V each) work? I read that is not safe to mix different battery types because it can lead to leakage or poor battery life. Either way, I'm making a prop and it is a prototype. I know for a fact that the 9v can power the strip so, I will go with it for now. Quote Link to comment
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