- #1
rody084
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Newbie wiring 20 red LEDs to a 9v battery in parallel...help pls :)
hello,
i am completely new to the LED world and electronics world. I am wanting to make a little box with LED lights as an aniversary gift. Basically what I need to know is how to wire 20 red LEDs in parallel so that they run off of one 9v battery. I also will be putting a magnetic reed switch so that they are turned on when the box is opened and off when closed (but this will come later).
For now I need to know:
1. What resistor requirements I have
2. Where to get the resistors and LEDs (i tried radio shack and local electronics stores but they don't have enough variety to meet my needs). I've tried using online resistance calculators to determine the ohms that I need but then I can't find those resistors. I don't need these lights to be too bright.
Any help would be GREATLY appreciated!
Thank you,
Rody
hello,
i am completely new to the LED world and electronics world. I am wanting to make a little box with LED lights as an aniversary gift. Basically what I need to know is how to wire 20 red LEDs in parallel so that they run off of one 9v battery. I also will be putting a magnetic reed switch so that they are turned on when the box is opened and off when closed (but this will come later).
For now I need to know:
1. What resistor requirements I have
2. Where to get the resistors and LEDs (i tried radio shack and local electronics stores but they don't have enough variety to meet my needs). I've tried using online resistance calculators to determine the ohms that I need but then I can't find those resistors. I don't need these lights to be too bright.
Any help would be GREATLY appreciated!
Thank you,
Rody