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Analog Sequential LED Turn signal parts list and diagram

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  • Analog Sequential LED Turn signal parts list and diagram

    ok so ill try to make parts list based on CoZZm0_AU diagram and completed boards since i cant read diagrams well

    http://www.futurlec.com/Components.shtml





    CERM5K 5k 1/2W Square Cermet Pot


    LM555CN - Timer $0.25


    CD4017 - Decade Counter/Divider $0.30


    C0022U50E 2.2uF 50V Radial Electrolytic Capacitor $.05


    2N5062 2N5062 SCR $0.60 (quantitiy depends on how many output you will have)

    i guess 50V for other capacitor? or which one?
    C010U16E 10uF 16V Radial Electrolytic Capacitor $0.05
    C010U35E 10uF 35V Radial Electrolytic Capacitor $0.10
    C010U50E 10uF 50V Radial Electrolytic Capacitor $0.05


    R015K14W 15kohm 1/4W 5% Carbon Film Resistor
    or
    R015K12W 15kohm 1/2W 5% Carbon Film Resistor?
    or
    R015KMF 15kohm 1/4W 1% Metal Film Resistor?


    ICS8 8 Pin IC Socket $0.04
    or
    ICS8MT 8 Pin Machine Tooled IC Socket

    ICS16 16 Pin IC Socket
    or
    ICS16MT 16 Pin Machine Tooled IC Socket

    i think this

    1N4004 1N4004 400V 1A General Purpose ? why 400v and not 50v for example?


    PCBT2 2 Term. PCB 5mm Terminal Block (Side Entry)

    and this, depends how many output you have
    http://www.futurlec.com/ConnIDC.shtml

    heatsink

    http://www.futurlec.com/HeatTO220.shtml

    and pc board from radioshack or something

    can somebody check this please. thanks



    Originally posted by CoZZm0_AU
    Originally posted by sy272004, bold comments by CoZZm0_AU
    ok so ill try to make parts list based on CoZZm0_AU diagram and completed boards since i cant read diagrams well

    http://www.futurlec.com/Components.shtml

    CERM5K 5k 1/2W Square Cermet Pot

    Bingo, mine is a multi turn unit for precision so you can set the speed accurately

    LM555CN - Timer $0.25

    Other variations such as the NE555 etc are also usable, just check the datasheet to ensure the input voltage is OK as i know some versions are low voltage (i.e won't be good to be stuffing 12+ into them)

    CD4017 - Decade Counter/Divider $0.30

    Yup!

    C0022U50E 2.2uF 50V Radial Electrolytic Capacitor $.05

    Yup!

    2N5062 2N5062 SCR $0.60 (quantitiy depends on how many output you will have)

    Yup!

    i guess 50V for other capacitor? or which one?
    C010U16E 10uF 16V Radial Electrolytic Capacitor $0.05
    C010U35E 10uF 35V Radial Electrolytic Capacitor $0.10
    C010U50E 10uF 50V Radial Electrolytic Capacitor $0.05

    With Caps, you just need to make sure their max voltage is greater than the voltage the circuit will ever see. I'd use the 35v, but 50v being 0.05 cheaper would be fine too.

    R015K14W 15kohm 1/4W 5% Carbon Film Resistor
    or
    R015K12W 15kohm 1/2W 5% Carbon Film Resistor?
    or
    R015KMF 15kohm 1/4W 1% Metal Film Resistor?

    Metal Film 1% is my pick. I used 1% metal film 1/2W in my project. 1/4W should be more than adequate though.

    ICS8 8 Pin IC Socket $0.04
    or
    ICS8MT 8 Pin Machine Tooled IC Socket

    Machine pin sockets as opposed to a regular IC socket. Machine pin sockets actually deform the pin a little when you push them in, making excellent contact. Machine pin sockets are designed for use where frequent install/removal is not required, but periodic replacement might be.

    Regular IC socket as below used for frequent installation/removal during prototyping, but CAN of course be used for this project if you can't get machine pin sockets.





    ICS16 16 Pin IC Socket
    or
    ICS16MT 16 Pin Machine Tooled IC Socket

    As above


    1N4004 1N4004 400V 1A General Purpose ? why 400v and not 50v for example?

    400V is simply the maximum rating. Like the wiring you'll likely use for this project will probably handle 5-10amps, but you will only be using a fraction of it. Its always better to have something rated higher than you need.

    PCBT2 2 Term. PCB 5mm Terminal Block (Side Entry)

    Yup looks fine. there are a few different Terminal blocks, but they all do the same thing in the end. I always make sure to "tin" the tips of wire with solder that i put into terminal blocks.

    and this, depends how many output you have
    http://www.futurlec.com/ConnIDC.shtml

    Yup IDC sockets are perfect. They will handle the current required and are very easy to assemble and the wire is cheap. I used multiple earth lines in the cable simply because i had some 'spares', not because the current required them.


    heatsink

    Perfect, just depends on how much room you have on the board. Im pretty certain that with the PQ12RD21 voltage regulators, if you're drawing less than 1amp (which most people would on indicator arrays) you probably don't even need a heatsink at all because of the flash duration doesn't heat the regulator up much. Without a heatsink will save a fair amount of space.
    can somebody check this please. thanks
    Last edited by azdave; February 15th, 2011, 08:00 AM.
    My Feedback
    http://www.hidplanet.com/forums/viewtopic.php?t=40647


  • #2
    Re: sequential turn signal parts and diagram

    Originally posted by sy272004
    ok so ill try to make parts list based on CoZZm0_AU diagram and completed boards since i cant read diagrams well

    and pc board from radioshack or something

    can somebody check this please. thanks
    Once confirmed, this coule be very helpful, as I wasn't certain what the parts were either.

    Comment


    • #3
      Re: sequential turn signal parts and diagram

      Originally posted by sy272004
      ok so ill try to make parts list based on CoZZm0_AU diagram and completed boards since i cant read diagrams well

      http://www.futurlec.com/Components.shtml

      CERM5K 5k 1/2W Square Cermet Pot

      Bingo, mine is a multi turn unit for precision so you can set the speed accurately

      LM555CN - Timer $0.25

      Other variations such as the NE555 etc are also usable, just check the datasheet to ensure the input voltage is OK as i know some versions are low voltage (i.e won't be good to be stuffing 12+ into them)

      CD4017 - Decade Counter/Divider $0.30

      Yup!

      C0022U50E 2.2uF 50V Radial Electrolytic Capacitor $.05

      Yup!

      2N5062 2N5062 SCR $0.60 (quantitiy depends on how many output you will have)

      Yup!

      i guess 50V for other capacitor? or which one?
      C010U16E 10uF 16V Radial Electrolytic Capacitor $0.05
      C010U35E 10uF 35V Radial Electrolytic Capacitor $0.10
      C010U50E 10uF 50V Radial Electrolytic Capacitor $0.05

      With Caps, you just need to make sure their max voltage is greater than the voltage the circuit will ever see. I'd use the 35v, but 50v being 0.05 cheaper would be fine too.

      R015K14W 15kohm 1/4W 5% Carbon Film Resistor
      or
      R015K12W 15kohm 1/2W 5% Carbon Film Resistor?
      or
      R015KMF 15kohm 1/4W 1% Metal Film Resistor?

      Metal Film 1% is my pick. I used 1% metal film 1/2W in my project. 1/4W should be more than adequate though.

      ICS8 8 Pin IC Socket $0.04
      or
      ICS8MT 8 Pin Machine Tooled IC Socket

      Machine pin sockets as opposed to a regular IC socket. Machine pin sockets actually deform the pin a little when you push them in, making excellent contact. Machine pin sockets are designed for use where frequent install/removal is not required, but periodic replacement might be.

      Regular IC socket as below used for frequent installation/removal during prototyping, but CAN of course be used for this project if you can't get machine pin sockets.





      ICS16 16 Pin IC Socket
      or
      ICS16MT 16 Pin Machine Tooled IC Socket

      As above


      1N4004 1N4004 400V 1A General Purpose ? why 400v and not 50v for example?

      400V is simply the maximum rating. Like the wiring you'll likely use for this project will probably handle 5-10amps, but you will only be using a fraction of it. Its always better to have something rated higher than you need.

      PCBT2 2 Term. PCB 5mm Terminal Block (Side Entry)

      Yup looks fine. there are a few different Terminal blocks, but they all do the same thing in the end. I always make sure to "tin" the tips of wire with solder that i put into terminal blocks.

      and this, depends how many output you have
      http://www.futurlec.com/ConnIDC.shtml

      Yup IDC sockets are perfect. They will handle the current required and are very easy to assemble and the wire is cheap. I used multiple earth lines in the cable simply because i had some 'spares', not because the current required them.


      heatsink

      Perfect, just depends on how much room you have on the board. Im pretty certain that with the PQ12RD21 voltage regulators, if you're drawing less than 1amp (which most people would on indicator arrays) you probably don't even need a heatsink at all because of the flash duration doesn't heat the regulator up much. Without a heatsink will save a fair amount of space.


      can somebody check this please. thanks

      My comments above in bold.

      Best of luck with the project.

      Comment


      • #4
        thanks.

        i guess sharp regulators can be used. didnt see that voltage regulator on that site but im sure i just missed it since its kinda esential piece
        My Feedback
        http://www.hidplanet.com/forums/viewtopic.php?t=40647

        Comment


        • #5
          Any voltage reg will work, 7812 would be fine as well..

          The only issue is that when the car is off, the battery voltage drops and it drops to a level that lowers the draw of the led's below the level that the SCR needs to "hold" on, and hence you get a sequential indicator with sections missing. That's why an LDO (low drop out) voltage regulator is preferred.

          Comment


          • #6
            yeah futurlec didn't have sharps when I ordered my stuff before

            Comment


            • #7
              If you were using 3 per string you could probably use a 9v regulator instead and that way at all times, engine on/off the current draw would be sufficient to keep the LEDs on as they should. I had considered re-doing mine with this in mind, but i think 3 per string in my lights might not be enough.

              Comment


              • #8
                start to put my order together for 4 boards. so far only $30
                My Feedback
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                Comment


                • #9
                  CoZZm0_AU can you check if this is all i need? i have sharp regs from dave


                  thanks
                  My Feedback
                  http://www.hidplanet.com/forums/viewtopic.php?t=40647

                  Comment


                  • #10
                    Looks OK.

                    Not sure why you need 20 of the 3A diodes though (unless you're just stocking up) and you will need some IDC cable to suit the headers.

                    Comment


                    • #11
                      yeah just stocking up pretty much. i will need it for relays and stuff plus im sure ill need it for tails if im gona go wtih dual function turn(sequential and regular) and i will need it for strobe controllers


                      where do i get idc cable? os can i just use regular wires needed gauge and just put them in that connector? i mean i see that that cable is all nice and neat but cunction is same

                      http://www.futurlec.com/Voltage_Suppressor.shtml
                      does it do almost same as voltage regulator?
                      My Feedback
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                      Comment


                      • #12
                        IDC cable is often called Ribbon Cable. Its important to use the right kind of cable in the headers because of how it works. It would be rather difficult to get 10 separate wire strands in there and have it work properly.

                        Futurlec has it here:

                        http://www.futurlec.com/Cable.shtml


                        Voltage suppressors are different to voltage regulators.

                        Comment


                        • #13
                          i have individual wires for each led set. All my parts cost me less like $15. Why does you're seem so high?

                          Comment


                          • #14
                            maybe because he's buying 4 sets of everything?

                            Comment


                            • #15
                              yea guess so. I only made two.

                              Comment

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