Hi guys,
I've been super interested in lightsabers made with LED string and after reading and reading and reading, I've decided to order some parts to make my own for a cosplay coming up. I ordered myself this battery ( http://www.thecustomsabershop.com/74...Pack-P758.aspx ) and I'll connect about 60 led (3.4 V & 20mA each) in two group of 30 in parallel in series. I made my calculations and if I'm not wrong it would require 6.8 V and 600 mA to run the string correctly (right?).
At first I though of using resistors but a Buckpuck really seems like the way to go ( this one http://www.thecustomsabershop.com/Bu...6-wire-P9.aspx ) since I heard it can regulate the voltage on it's own (...right?) and also help reducing the heat of the overall setup.
My Leds haven't arrived yet and even though I have some to spare I would just like to know if my overall setup makes sense and is safe, also since I'll be making the handle mostly out of PVC pipes, are the batteries very hot? I know some PVC can resist high temperature but I dont want my sword to be too hot to the touch (I could also have an external battery pack if it's safer).
thank you very much for taking some time to read and answer my questions =)
PS: my setup wont incorporate a sound board or anything just the battery, a switch, the led and the buckpuck.
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