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Retrofitted LEDs on tailight of my P150 Classic

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  • #256
    Thanks..
    U forgot second part of my post.
    Can an H4 bulb be fit in a H7 socket? They both look alike. I was searching for an 100W H7 but couldnt find it. I reckon u use a 100W H4 from Osram. I can do jugaad for the wiring.
    Biking is not my Passion, it is my Religion!
    DIY whatever it is..!!

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    • #257
      Originally posted by rahul9985 View Post
      Thanks..
      U forgot second part of my post.
      Can an H4 bulb be fit in a H7 socket? They both look alike. I was searching for an 100W H7 but couldnt find it. I reckon u use a 100W H4 from Osram. I can do jugaad for the wiring.
      try searching for H4 to H7 convertor mods. THere r mods. But u need a hell of grinding and template job to make it.
      Do it Yourself, what so ever, if Possible
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      • #258

        In that case i will continue with my search for a 100W H7. Thanks.
        Do u know any specific brands which sell them?
        Biking is not my Passion, it is my Religion!
        DIY whatever it is..!!

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        • #259
          Originally posted by rahul9985 View Post

          In that case i will continue with my search for a 100W H7. Thanks.
          Do u know any specific brands which sell them?
          No idea, never been with a H7 too but H7 is not a obsolate model, I hope its available with all reputed brands. Gonna melt the high beam?
          Do it Yourself, what so ever, if Possible
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          • #260
            what about putting a voltage regulator IC (ic7812) to keep the voltage constant at 12v? so that leds wont blow off..
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            • #261
              Originally posted by sajjt View Post
              No idea, never been with a H7 too but H7 is not a obsolate model, I hope its available with all reputed brands. Gonna melt the high beam?
              Yeah...
              Still havent found it!

              Originally posted by fayad555 View Post
              what about putting a voltage regulator IC (ic7812) to keep the voltage constant at 12v? so that leds wont blow off..
              Why do u want to make it so complicated? Its a simple circuit..
              Biking is not my Passion, it is my Religion!
              DIY whatever it is..!!

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              • #262
                Originally posted by fayad555 View Post
                what about putting a voltage regulator IC (ic7812) to keep the voltage constant at 12v? so that leds wont blow off..
                Well these don't provide sufficient regulation. You can use them in current regulation mode though. Set the current to 20mA or so. But you need 1 reg for each series leg. (each leg will contain about 5 LEDs as - 5 x 2V = 10V)
                Too tedious!
                Your biking tells a lot about the person you are!

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                • #263
                  abhijeet
                  to connect these leds to indicators do we need to change the values of resistors? have u tried it??
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                  • #264
                    Originally posted by fayad555 View Post
                    abhijeet
                    to connect these leds to indicators do we need to change the values of resistors? have u tried it??
                    Yeah, you will need one in parallel to the LEDs. It will decrease the rate of blinking to acceptable level. Yeah, i have tried it. Were not too bright though. Could fix only abt 6 LEDs. You will need to fix atleast 20 LEDs for adequate brightness.
                    Your biking tells a lot about the person you are!

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                    • #265
                      Originally posted by abhijeet080808 View Post
                      Yeah, you will need one in parallel to the LEDs. It will decrease the rate of blinking to acceptable level. Yeah, i have tried it. Were not too bright though. Could fix only abt 6 LEDs. You will need to fix atleast 20 LEDs for adequate brightness.
                      To each branch (which remains unchanged), we need to connect one resistor in parallel? how much resistance did u put?
                      we can put a variable resistance to adjust the blinking rate.. right?
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                      • #266
                        there is also a small device that corrects the Led blinking rates but i have not been able to find it . its available for 10$ online .

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                        • #267
                          Originally posted by fayad555 View Post
                          to each branch (which remains unchanged) we need to connect one reisistor in parallel? how much resistance did u put?
                          we can put a variable resistance to adjust the blinking rate.. right?
                          No. One extra resistor direct from +ve to -ve. Forgot the value. Like I said, I did not keep that set up for long though. Try about 10k and come lower.

                          Originally posted by Puneet1 View Post
                          there is also a small device that corrects the Led blinking rates but i have not been able to find it . its available for 10$ online .
                          It is just a resistor in there!
                          Your biking tells a lot about the person you are!

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                          • #268
                            Originally posted by abhijeet080808 View Post
                            No. One extra resistor direct from +ve to -ve. Forgot the value. Like I said, I did not keep that set up for long though. Try about 10k and come lower.
                            Ok...What exactly does that resistor do?
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                            • #269
                              ^The resistance of the LEDs combo increases and becomes similar to a bulb. So, the blinking rate slows down and becomes more normal.
                              Your biking tells a lot about the person you are!

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                              • #270
                                Originally posted by abhijeet080808 View Post
                                ^The resistance of the LEDs combo increases and becomes similar to a bulb. So, the blinking rate slows down and becomes more normal.
                                Ok...i 'm thinking whether to do this or not...
                                will putting that parallel resistor increase the power consumption?
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