What Size Resistor For Led 12v Indicators
sxecafe
Y'all think the Carpeting Pissers did this?
- #1
Hey Now!
I bought these LED strips that I program on integrating in to my seat as tail lights. I am trying to figure out which size resistors I need to use (50w 6ohm or 25w 6ohm) in order to get them to go brighter when I hit the brakes. Anyone know whats up?
[font=arial, helvetica, sans-serif]Ampere Depict / Load = [/font] [font=arial, helvetica, sans-serif]0.25 Ampere @ 12 Volts Ability Source
Also, I got these LED plow indicators and want to know the same affair about the resistors.
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locOleoN
Is that the best you got? OK.. now my Plow...
- #two
thats a adept question... I'd similar to know myself. I'll be using something similar in an upcoming project.
As for the LED turn, I just changed the manual stock flasher repay to an electronic one and information technology works fine...
- #3
you could also run two strips on seperate circuits, but i dunno exactly what you're going for.
- #5
.25A @ 12V would be a iii watt strip with 48 ohms of resistance.
designated ohms in a resistor does not alter, the wattage changes co-ordinate to the voltage applied to said resistance, only exercise not exceed the voltage rating on the resistor.
"(50w 6ohm or 25w 6ohm)"
vi ohm @ 12V is gonna exist 24W and 3ohm @ 12v is gonna be fifty watts.(approx)
it's hard to say how they are gonna react... you might exist farther ahead to go to radio shack & simply buy a few random 12V resistors between 5 and 25 ohms, take them home, grab a 12 five power source and effigy information technology out at the workbench... it's easier to do information technology in that location than to install it in the bike & the realize it's resistance is too high or low.
this might help, or it make matters worse. http://world wide web.angelfire.com/pa/baconbacon/page2.html
- #6
the resistors won't make those strips brighter
the resistors go in parallel with the led strips so the mechanical "winker" relay nevertheless blinks them
I bought one of those once to run into if I could apply it for tail lighting, and found it absolutely useless in anything other than pitch black
Flugtechnik
My bike is not transportation, information technology is a respite
- #vii
I call up what you are trying to exercise is to accept each lite take ii different effulgence levels right? One for full general running lights and a brighter level for their principal function. Well yous tin can't brand them whatever brighter than they are with no resistors. All you can do is dim them for the running low-cal mode. I would have to do some digging to detect the answer, just I would suggest y'all PM JRK (Joe), the resident led king, and inquire him.
Then share the reply of course. I know one of the companies sells a unproblematic dual role thing which is just some resistors wired upwards, then I recall it is a uncomplicated respond, I just don't know what is.
http://www.customdynamics.com/eclipze_module.htm
sxecafe
Yous think the Carpet Pissers did this?
- #8
Flügtechnik said:
I think what you are trying to do is to have each lite accept two different brightness levels correct?
All you can do is dim them for the running light mode.
I would have to do some digging to observe the answer, merely I would suggest you PM JRK (Joe), the resident led king, and ask him.
So share the answer of form. I know one of the companies sells a unproblematic dual function thing which is just some resistors wired up, so I remember it is a simple reply, I just don't know what is.
That's exactly correct and how I was going nigh trying to make it piece of work. Could a resistor take that blazon of abiding activeness (i.e. resisting most of the time and letting go when I hit the brakes)? Im a nuber goober with electrics at this level so...
I'll PM Joe also and share the info unless I tin can coax him to chime in here.
Flugtechnik
My bike is non transportation, information technology is a respite
- #ix
sxecafe said:
That's true, there mayhap be a diode in there too to go on the electrons flowing the right way.
sxecafe
Y'all think the Carpet Pissers did this?
- #10
K, I sent Joe a msg. Nosotros'll run across if he says his slice.
- #11
i dont know what they are but man if you only go to radio shack they will get you what you demand, if all else fails PM me and i will ship you a few that i employ
sxecafe
Yous think the Carpet Pissers did this?
Flugtechnik
My bike is non transportation, information technology is a respite
- #14
That thing you linked to will convert 2 low-cal into combo stop, turn, and running lights. I didn't think that is what you wanted to practise. Are you planning on using the strips as brake and plough lights?
sxecafe
You call back the Carpet Pissers did this?
- #15
No no... just brake. Skilful catch. Was that the idea y'all were thinking tho for the diode?
Flugtechnik
My bike is not transportation, information technology is a respite
- #16
No, i was but thinking yous wouldn't want the brake lite circuit to engerize the running calorie-free excursion and vice-versa. I think the matter I linked to is what you would need but would be muchcheaper to brand yourself
- #17
yeah that is manner to pricey. Go to your local Kragens or Autozone, and get a trailer lite five wire to 4 wire converter. They are $15 to $20. This will integrate your turn signals into your brake lights. Also if you search at Kragens or Autozone they sell a flasher that is for LED and regular bulbs. They sell for $30, and volition have 3 spades on them. The third spade just has to be grounded.
- #xviii
ahh, I see... the way to do that is to take the running light wire and run a resistor in series to the led bank, then take the restriction wire and run it directly to the depository financial institution, ground goes to the depository financial institution ground of course. resistor value and brightness depends on the current the leds draw, and how bright you want the running lite vs brake lite. my guess is 10 to 50 ohm resistors will go far dim plenty, but yous'll probably accept to play a bit to get it right. wattage is a role of the voltage and current across the resistor, a 1 watt resistor is probably fine though
sxecafe
You think the Carpet Pissers did this?
- #xix
Sean, You lot said: "have the running light wire and run a resistor in series to the led banking concern, then take the brake wire and run it directly to the bank, ground goes to the bank ground of course."
Just to clarify, you mean the running lite wire from the harness, non the LED, correct? The LEDS I have are are +/- only, which is why I would need the resistor... If that is what y'all mean then I think I can visualize it.
- #xx
yes that is how you would do it... the running light power runs though the resister and will be abiding power to the lights (and so they are on) then the other one (the restriction) will bypass that resister, so when you put the brake on, it gives the leds full power
What Size Resistor For Led 12v Indicators,
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