Sequential lights(i.e brake or turn signals)

[HappMatt]

I,m trying to do some bike customization and would like to modify my mirrors to have a set of led sequential turn signals on them. You can buy modulators to do this for you but i imagine all it is just a couple cappacitors and resitors pretty much that's involved. I am not a electrical idiot and know quite a bit about how cars and bikes work but when i comes down to stuff like making electrical switches such as this i could use some help. I preffer to build stuff like this on my own since this is one of the ways i best learn how things work, so i definately want to figure this one out.

 

[berkeman]

What exactly are sequential turn signals? Is that like where there are three in a row or something, and they blink 1-2-3 to show a direction? The simplest way to make it would probably be to use transistors to turn on each LED (or LED group), and make a simple oscillator and counter and logic circuit to do the sequencing.

 

[HappMatt]

What exactly are sequential turn signals? Is that like where there are three in a row or something, and they blink 1-2-3 to show a direction? The simplest way to make it would probably be to use transistors to turn on each LED (or LED group), and make a simple oscillator and counter and logic circuit to do the sequencing.

yeah you have the exact idea. I am still not exactly sure on how to build it though. I am doing some searches do better understad these simple ocillators and logic cicuits also i have the bikes service manual with the wiring diagram which i can post a link to a pic of if neccesary.

So far here's is my wiring plan(of what little there is). I plan as of right now to leave the stock wiring all the sam so that the bike will send the pulse up to the mirror. From there is where i planned on putting in the cicuitry to activated the different light groups. There will be 3 groups of 5 led's.

If you can help me understand how to produce these cicuits it would be appreciated. and i thank you for the advice already given.

 

[HappMatt]

for anyone interested i think i found my solution possibly. if interested check out this page wqith a bunch of led projects this guy did.http://www.qrp.pops.net/misc_2005.htm