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DEI alarm scanning module hacking

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  • DEI alarm scanning module hacking

    Well i love these things they hav such a cool chaser circuit. And i want to do a huge version of one. I cracked one open and need some help identifiying parts.
    The number on the IC is 22950.(i think)
    745F capacitor
    KSP 2222A EB533 transistor

    and ill get the rest of the number later. I just need to know what kinda IC that is and where i can get it.
    Attached Files
    96' Mercedes Benz C36 -Matte Black-
    Status..::... {##------}25%~~ back to planning

  • #2
    Functions of this device?

    Mauri

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    • #3
      If I am understanding correctly, its just a LED chaser circuit, right? If it is, you can just search the web for about a billion variations.

      My favorite is using a 4017 and a timer of some sort, a 555 is a good start.
      2000 Subaru OBS

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      I am Zero Bitrate....

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      • #4
        You can always hack that one - replace each LED with a transistor driving a relay, :-D

        Furthermore - this is a sweet idea for a ricer :-P

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        • #5
          I think this is what you want ... if ur looking for chaser only .

          Cheers
          Mastero
          Attached Files

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          • #6
            i know about the 4017 one and 555 one, i had 100 PCB's made for xbox's they are sweet only sold like 20 though. They are round, pretty cool, but this one has a better flash pattern and is alot more simple. I guess i could do the one above because i have all the parts x 100. LOL. Just that this one goes to one side and then back, looks pretty cool. It would just be soo much simpiler doing it the way its set up inside that little thing. Just wish i knew what kinda chip that was......
            96' Mercedes Benz C36 -Matte Black-
            Status..::... {##------}25%~~ back to planning

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            • #7
              Originally posted by markland556
              i know about the 4017 one and 555 one, i had 100 PCB's made for xbox's they are sweet only sold like 20 though. They are round, pretty cool, but this one has a better flash pattern and is alot more simple. I guess i could do the one above because i have all the parts x 100. LOL. Just that this one goes to one side and then back, looks pretty cool. It would just be soo much simpiler doing it the way its set up inside that little thing. Just wish i knew what kinda chip that was......



              www.icmaster.com

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              • #8
                Originally posted by markland556
                i know about the 4017 one and 555 one, i had 100 PCB's made for xbox's they are sweet only sold like 20 though. They are round, pretty cool, but this one has a better flash pattern and is alot more simple. I guess i could do the one above because i have all the parts x 100. LOL. Just that this one goes to one side and then back, looks pretty cool. It would just be soo much simpiler doing it the way its set up inside that little thing. Just wish i knew what kinda chip that was......
                Use a PIC, set up a lookup table and define your own flash pattern. Step through the lookup and output it on the port at a rate you want.

                Even PWM the output such that the light persists/dims/brigthens.

                Much cheaper to have a single chip design. Using timers, gates, multiplexers is gay these day. Problem is you have to code the MCU yourself, preferably in ASM so you get full control of it.

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                • #9
                  programming is always my limitation. I can do all the hardware, just when it comes to the programming im stuck.
                  96' Mercedes Benz C36 -Matte Black-
                  Status..::... {##------}25%~~ back to planning

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                  • #10
                    Originally posted by markland556
                    programming is always my limitation. I can do all the hardware, just when it comes to the programming im stuck.
                    Tell me what you want and i shall make the program for you .... and even a hardware layout .... as long as your requirment is simple

                    Cheers
                    mastero

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                    • #11
                      all i really want like like a 50 led chaser that gets too the end and goes back and forth. maby have each led fade out. If you could design/program something like this i would totally be willing to give you a little $$.
                      96' Mercedes Benz C36 -Matte Black-
                      Status..::... {##------}25%~~ back to planning

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                      • #12
                        Here are a couple links for you:
                        Pic version http://www.josepino.com/14/index.html
                        Analog version http://www.xs4all.nl/~odu/lights.html
                        My fav (pic based) http://www.interq.or.jp/japan/se-inoue/e_pic6_1.htm
                        You could use some type of port expander (as you would with any that have 100 leds) to change the number of LED.

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                        • #13
                          wow, those pic ones seem soo simple, im gunna look into it, cause there are soo many other uses.
                          96' Mercedes Benz C36 -Matte Black-
                          Status..::... {##------}25%~~ back to planning

                          Comment


                          • #14
                            Originally posted by markland556
                            all i really want like like a 50 led chaser that gets too the end and goes back and forth. maby have each led fade out. If you could design/program something like this i would totally be willing to give you a little $$.
                            WOW 50! ok i will see what i can come up with ... as for the $$$ dont bother free have a lot of time thanks to the rains everything is shut You want all fifty in one line or in two line ??

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                            • #15
                              man this is going to be great

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