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Flasher

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speckter(at)comcast.net
Guest

Posted: Tue Jun 19, 2007 8:55 am Post subject: Flasher

I need some help from you electronic minded folks.  I want to flash the

indicator light in my master buss switch when I leave it on by mistake.  I

bought an auto flasher but it has 4 unlabled pins I tried to hook it up by

looking at it but I suspect that the LED in the switch is not drawing enough

current to trigger it



Has any one designed a flashing circuit?  Suggestions

Gary

40274

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randy(at)romeolima.com
Guest

Posted: Tue Jun 19, 2007 9:38 am Post subject: Flasher

Just use a B&C LR3C alternator controller (voltage regulator). It has a low 

voltage warning light that automatically flashes whenever the alternator 

isn't charging.



Randy

RV-3B



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speckter(at)comcast.net
Guest

Posted: Tue Jun 19, 2007 11:06 am Post subject: Flasher

I am not real anxious to trash my current system with internal regulators

and start over.

I had thought of that though.  I wonder if they have just the warning

circuit available.

Gary

40274



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KiloPapa

Joined: 24 May 2006
Posts: 142
Location: Pearblossom, CA

Posted: Tue Jun 19, 2007 9:14 pm Post subject: Flasher

Gary,



You are right on the auto flasher.  It requires the greater

load of standard bulbs to heat the bimetal strip on the

mechanical types.  Try this link for one source of flashing

leds - 



http://www.allelectronics.com/cgi-bin/category/340200/Flashing.html



If you can replace your current led you could substitute a

flashing version.



Kevin

40494



----- Original Message Follows -----

 	  Quote: 	
		  

<speckter(at)comcast.net>



I need some help from you electronic minded folks.  I want

to flash the indicator light in my master buss switch when

I leave it on by mistake.  I bought an auto flasher but it

has 4 unlabled pins I tried to hook it up by looking at it

but I suspect that the LED in the switch is not drawing

enough current to trigger it



Has any one designed a flashing circuit?  Suggestions

Gary

40274

- The Matronics RV10-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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_________________
Kevin
40494

do not archive

speckter(at)comcast.net
Guest

Posted: Wed Jun 20, 2007 5:25 am Post subject: Flasher

I can't use flashing LED because I am using the LED in the switch itself and

thus need to use the one designed for the switch.  Thanks for the thought.

I have found a good soul to assist me so I think we have this issue licked.

Gary



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Bill Schlatterer

Joined: 09 Jan 2006
Posts: 195

Posted: Wed Jun 20, 2007 2:27 pm Post subject: Flasher

Gary, just curious, if you do this without a low voltage sense circuit that

is killed when the master is off, how are you planning on de-activating the

"reminder" flasher with the master off.  I am guessing with a relay that

kills the flasher when the master is on but if it flashes with the master

off, how will you turn it off for real?   



The option with the LV warning is 1) off with the engine running because the

voltage is up (charging) and 2) blinks when the master is on, engine off,

but sensing only battery voltage, then off with the master?  How do you

accomplish all that with just a flasher relay?



Just another thought which is much cheaper than the B&C Reg with LV might be

to wire a low oil pressure switch in to the main buss so that it flashes

when the master is on but engine off and then off when running.  It's each

to add to the third manifold port where the OP and FP sensors go.  $32 from

B&C



This link shows it wired through a Hobbs meter and a buzzer but you could

just drop the meter and buzzer and substitute your flashing LED.  BTW, you

can get a "flashing" LED with resistor from Radio Shack in four colors for

about $3.



http://www.bandc.biz/S8012dwg.pdf

Hope this helps.



Bill S

7a Ark

 



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pitts_pilot(at)bellsouth.
Guest

Posted: Wed Jun 20, 2007 4:25 pm Post subject: Flasher

Or, you could just leave your strobes or flashing beacon on all the time.  One glance back at the airplane (if it's tied down) before you drive away will catch the master on.  If you have a hangar, the beacon or strobes will be noticeable, even in daylight!

 Linn

 do not archive

 Bill Schlatterer wrote:

 [quote]   [quote]--> RV10-List message posted by: "Bill Schlatterer" <billschlatterer(at)sbcglobal.net> (billschlatterer(at)sbcglobal.net)  Gary, just curious, if you do this without a low voltage sense circuit that is killed when the master is off, how are you planning on de-activating the "reminder" flasher with the master off.  I am guessing with a relay that kills the flasher when the master is on but if it flashes with the master off, how will you turn it off for real?     The option with the LV warning is 1) off with the engine running because the voltage is up (charging) and 2) blinks when the master is on, engine off, but sensing only battery voltage, then off with the master?  How do you accomplish all that with just a flasher relay?  Just another thought which is much cheaper than the B&C Reg with LV might be to wire a low oil pressure switch in to the main buss so that it flashes when the master is on but engine off and then off when running.  It's each to add to the third manifold port where the OP and FP sensors go.  $32 from B&C  This link shows it wired through a Hobbs meter and a buzzer but you could just drop the meter and buzzer and substitute your flashing LED.  BTW, you can get a "flashing" LED with resistor from Radio Shack in four colors for about $3.  http://www.bandc.biz/S8012dwg.pdf   Hope this helps.  Bill S 7a Ark    --

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