Thanks for that.
Pardon my ignorance, like I said I'm still learning about LEDs and small circuits,
If you really want to learn more, I recommend "IC timer cookbook (W.Jung)" and/or "110 IC timer projects" (J.Gilder)(I found it at Radio Shack). You will find these very helpful I am sure.
but is that timer a standalone or would I just need integrate it into the car's flasher circuit past the GEM? Or is it something I can/should put on the bread board for each separate array?
It is 'standalone'. You would place the circuit after the GEM. 1 "brd" (= circuit board) would drive each side of the car (left vs. right). Some thought required to trigger. I think I would build as simple astable, and tie the GEM output to the 555 reset pin. This would give a 'fast blink' whenever the turn signal was high (on). So, simulate in mind >> blink/blink/blink/pause - blink/blink/blink/pause. (the pause comes when the turn signal goes low (off). You can also set up the 555 to 'ring'. There really flexible.
Both you and the description says it's a kit. So some searching on DIY electronics forums are in order. Still have a lot of research and learning to do!
Btw, whats a brd?
A kit comes with everything except solder and tools. I recommend a 'soldering station' as there heat is regulated. There are also 'learn how to solder' kits. Worth it if you never have. Also, making your own circuit brd (= board) is not hard, but it can be somewhat expensive to get started.
One thing I don't know about is the intended load. I.E. >> What LED replacement bulb were you intending to use (assumption there). The problem most have is that you cannot get any specs. Hence, it is difficult to design the driver circuit intelligently. This also does not address the problem with the stock reflector (which is designed for incandescent). 1 thought is to not use the LED 'bulbs' as such, but use a single 20MM LED for each filament leg. Just a thought. Check out the better ones specs as they easily meet the stock bulb brightness.
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Last of the Hatches #28