Can someone double check my resistors pls.....

[Lord Bane]

I am getting ready to order the last of my components for my first ever saber w/sound build...

1. Red LED Indicator: 2V 20 mA Resistor: 82 ohm 1/4 watt resistor

2. Seoul P4 Red LED: 2.5 forward voltage 800 mA Resistor: 1 ohm 2 watt resistor

Power Source: Single 18650 Li-ion battery

Going to put this in an old US Prophecy V2...figured I would salvage their heatsink and put the P4 in it so it will fit......Nano biscotte with recharge port

Everyone's input will be GREATLY appreciated....
Thanks TCSS forum

[Forgetful Jedi Knight]

I am getting ready to order the last of my components for my first ever saber w/sound build...

1. Red LED Indicator: 2V 20 mA Resistor: 82 ohm 1/4 watt resistor

2. Seoul P4 Red LED: 2.5 forward voltage 800 mA Resistor: 1 ohm 2 watt resistor

Power Source: Single 18650 Li-ion battery

Going to put this in an old US Prophecy V2...figured I would salvage their heatsink and put the P4 in it so it will fit......Nano biscotte with recharge port

Everyone's input will be GREATLY appreciated....
Thanks TCSS forum

The first resistor is correct.

Technically speaking you could get by with a 1.5 Ohm 1W resistor for #2, but since Tim doesn't have that, what you picked (1 Ohm 2W) will work, the 1.5 Ohm, 3W might be a better choice though.

Good Luck on your build.

[Strydur]

DynaOhm... easier and more efficient.

[Forgetful Jedi Knight]

DynaOhm... easier and more efficient.

For resistor #1, that is another great option.

@Tim: Are there DynaOhm resistors for the higher current ranges?

[Strydur]

Not for the main LED.. that is what a buckpuck is for but can't use that on a single 18650 unfortunately.

[Lord Bane]

Hey Tim! What would you recommend for the main Seoul P4 Red with my current set up.....I want it to run its brightest but not blow anything up....GREATLY appreciated..

[Silver Serpent]

P4 reds are fairly safe with overdriving. You should be able to use any of the following resistors without trouble:
http://www.thecustomsabershop.com/1o...istor-P21.aspx
http://www.thecustomsabershop.com/12...istor-P22.aspx
http://www.thecustomsabershop.com/15...istor-P13.aspx

The 1 ohm will be the brightest, but will generate more heat. The 1.5 ohm will be slightly less bright, but you'll have less heat to worry about. Get the thermal tape pad to help with heat transfer, and you shouldn't have any problems. If you're getting a preassembled LED module, the thermal pad is included.

[Lord Bane]

I will definetly have to order the thermal pad...I am going to salvage the LED module that came with this hilt. It is an old US Prophecy v2 and has a very narrow emitter area....anything else would probably have to be heavily modified.... also with the Resistors what does the Wattage effect (Ex. 1.5 ohm 5W)

[Silver Serpent]

Wattage affects the maximum amount of power that can flow through the resistor before it goes *poof*. If you meet or exceed the minimum wattage rating, you're safe. Don't go overboard and order the 5-10w resistors unless you need to, since the higher wattage resistors are physically larger and take up a bunch of precious room in your hilt.

[Lord Bane]

Thank you Tim for the VERY quick reply and valuable info....just placed my *big* order for my final components....went with the Dyna resistor for the accent LED and the 1 ohm 2W resistor for main LED..can't wait

I LOVE TCSS!!