sequential turn signals

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i am an idiot

Platinum - Posts: 13,667

This member consistently provides reliable information

Joined: September 21, 2006

Location: Louisiana, United States

Posted: October 11, 2009 at 3:44 PM / IP Logged

I always try to use 25 volt capacitors. Running them that close to their rated voltage has been known to cause problems. Your car is probably running at or above 14 volts. If all you can find locally are 16 volt caps, that will have to do.

mikerupp

Member - Posts: 26

Joined: September 28, 2009

Posted: October 11, 2009 at 4:04 PM / IP Logged

i am an idiot wrote:

Copy that. Here is a new one I found

Is there any certain store that you shop at to get some good prices?

mikerupp

Member - Posts: 26

Joined: September 28, 2009

Posted: October 11, 2009 at 4:14 PM / IP Logged

http://..ca/4700uF-25V-RADIAL-LEAD-CAPACITOR-X30_W0QQitemZ380153480622QQcmdZViewItem

mikerupp

Member - Posts: 26

Joined: September 28, 2009

Posted: October 11, 2009 at 4:20 PM / IP Logged

Well I wish I could just edit my post, but since I am a rookie here that is unlikely.

I guess the links dont work. Sorry about that.

This is what goes before the ca/4700 part if that might help.

http://..

mikerupp

Member - Posts: 26

Joined: September 28, 2009

Posted: October 15, 2009 at 7:14 PM / IP Logged

Would a 36V capacitor work? They have them locally for $5.47 each. I dont feel like waiting for the ones to come in from over sea's that I already purchased. I know, Im getting all antsy. And if they would how many would I need? Just two, one for each side?

i am an idiot

Platinum - Posts: 13,667

Joined: September 21, 2006

Location: Louisiana, United States

Posted: October 15, 2009 at 9:07 PM / IP Logged

Yes any voltage 25 or greater will work fine.

mikerupp

Member - Posts: 26

Joined: September 28, 2009

Posted: October 20, 2009 at 6:31 PM / IP Logged

i am an idiot wrote:

Yes any voltage 25 or greater will work fine.

Say I do not want to run any capacitors in parallel. What would be the minimal voltage on the capacitor that I could use to pull that off? 35V? 50V?

i am an idiot

Platinum - Posts: 13,667

Joined: September 21, 2006

Location: Louisiana, United States

Posted: October 20, 2009 at 7:55 PM / IP Logged

Paralleling a capacitor with another will still have 14 volts across it. 25volts or greater is what you need. You can use the 16 volt caps, just if you start having trouble with the setup, look at those caps before you spend any time troubleshooting the device.

mikerupp

Member - Posts: 26

Joined: September 28, 2009

Posted: October 23, 2009 at 7:35 PM / IP Logged

Could you help identify all these parts on this circuit board? Its two sided.

If you have the time to, can you use something like paint to write words over the parts? It would help a ton.

Thanks in advance.

sequential turn signals - Page 4 -- posted image.

KPierson

Platinum - Posts: 3,527

Joined: April 14, 2005

Location: Ohio, United States

Posted: October 23, 2009 at 8:36 PM / IP Logged

Based on the apparant lack of a power supply I assume it's a cheap device running at battery voltage (ie no central processor). The top pic shows two transistors, most likely mosfets. The bottom picture shows a chip (can you get a number off of it) a large cap (probably for timing), and a few surface mount parts (probably resistors).

I would guess the chip is a counter or sequence of some sort. However, without the numbers off of it it is hard to tell.

How much did you pay for that if you don't mind me asking?

Kevin Pierson

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