Red LED on top - what is it?
08-02-2007, 08:47 PM
#1
Junior Member
Thread Starter
Join Date: Mar 2007
Location: , WA
Posts: 25
Likes: 0
Received 0 Likes
on
0 Posts
Red LED on top - what is it?
My Draganfly spazzed out today (went into a crazy oscillation) just above my house, and smacked into my roof upside down. Now it behaves like my transmitter radio is turned off -- after I press the reset button, the rotors turn randomly/sporadically on and off. I found a broken solder joint on one of the IR sensors... fixed. I also noticed that the red LED on top got smashed off, in a way I can't solder it back on. (Amazingly I found the LED on the ground.)
Does anyone know what type of LED it is? What part #, or at least voltage, current? I assume it's nothing special. [link=http://www.rctoys.com/rc-toys-and-parts/DF-REDLED/RC-PARTS-DRAGANFLYER-ELECTRONICS.html]rctoys.com is out of stock for this part[/link], and it seems silly for me to order a single LED shipped from Canada.
-- Geoff
Does anyone know what type of LED it is? What part #, or at least voltage, current? I assume it's nothing special. [link=http://www.rctoys.com/rc-toys-and-parts/DF-REDLED/RC-PARTS-DRAGANFLYER-ELECTRONICS.html]rctoys.com is out of stock for this part[/link], and it seems silly for me to order a single LED shipped from Canada.
-- Geoff
08-02-2007, 09:14 PM
#2
Senior Member
Join Date: Apr 2007
Location: Eagle, ID
Posts: 273
Likes: 0
Received 0 Likes
on
0 Posts
RE: Red LED on top - what is it?
Geoff,
You might go to Radio Shack and buy a plain-jane red low intensity LED. They all run in the ballpark of 25 mA. Figure out which pad on the board is positive, and the longer leg of the LED is positive. Once you've identified the pos leg of the LED and connection on the board, trim the LED legs even, turn on the DF, and carefully touch the proper LED legs to the PC board connections for a few seconds. If the LED seems to be behaving properly and doesn't look too bright or too dim, and doesn't feel warm, I think you'd be safe to power down and solder it on. The reason is all LEDs of that type run about the same current, and the exact rating is not critical. You can't hurt the board unless you short it out.
Cheers,
Bruce
You might go to Radio Shack and buy a plain-jane red low intensity LED. They all run in the ballpark of 25 mA. Figure out which pad on the board is positive, and the longer leg of the LED is positive. Once you've identified the pos leg of the LED and connection on the board, trim the LED legs even, turn on the DF, and carefully touch the proper LED legs to the PC board connections for a few seconds. If the LED seems to be behaving properly and doesn't look too bright or too dim, and doesn't feel warm, I think you'd be safe to power down and solder it on. The reason is all LEDs of that type run about the same current, and the exact rating is not critical. You can't hurt the board unless you short it out.
Cheers,
Bruce
08-15-2007, 06:21 AM
#4
Junior Member
Join Date: Aug 2007
Location: new york, IL
Posts: 14
Likes: 0
Received 0 Likes
on
0 Posts
RE: Red LED on top - what is it?
ORIGINAL: geoffff
My Draganfly spazzed out today (went into a crazy oscillation) just above my house, and smacked into my roof upside down. Now it behaves like my transmitter radio is turned off -- after I press the reset button, the rotors turn randomly/sporadically on and off. I found a broken solder joint on one of the IR sensors... fixed. I also noticed that the red LED on top got smashed off, in a way I can't solder it back on. (Amazingly I found the LED on the ground.)
Does anyone know what type of LED it is? What part #, or at least voltage, current? I assume it's nothing special. [link=http://www.rctoys.com/rc-toys-and-parts/DF-REDLED/RC-PARTS-DRAGANFLYER-ELECTRONICS.html]rctoys.com is out of stock for this part[/link], and it seems silly for me to order a single LED shipped from Canada.
-- Geoff
My Draganfly spazzed out today (went into a crazy oscillation) just above my house, and smacked into my roof upside down. Now it behaves like my transmitter radio is turned off -- after I press the reset button, the rotors turn randomly/sporadically on and off. I found a broken solder joint on one of the IR sensors... fixed. I also noticed that the red LED on top got smashed off, in a way I can't solder it back on. (Amazingly I found the LED on the ground.)
Does anyone know what type of LED it is? What part #, or at least voltage, current? I assume it's nothing special. [link=http://www.rctoys.com/rc-toys-and-parts/DF-REDLED/RC-PARTS-DRAGANFLYER-ELECTRONICS.html]rctoys.com is out of stock for this part[/link], and it seems silly for me to order a single LED shipped from Canada.
-- Geoff
08-15-2007, 07:17 AM
#5
Member
Join Date: Jul 2006
Location: HullYorkshire, UNITED KINGDOM
Posts: 44
Likes: 0
Received 0 Likes
on
0 Posts
RE: Red LED on top - what is it?
ORIGINAL: xstranger
I have the same problem,my Walkera 7 CH Dragonfly 35#C got craizy. I can`t control it....what to do....i don`t know how to reset it...
I have the same problem,my Walkera 7 CH Dragonfly 35#C got craizy. I can`t control it....what to do....i don`t know how to reset it...
08-15-2007, 09:24 AM
#7
Senior Member
Join Date: Sep 2006
Location: Kelowna,
BC, CANADA
Posts: 339
Likes: 0
Received 0 Likes
on
0 Posts
RE: Red LED on top - what is it?
You're on the wrong board. This is the Draganfly board, you're looking for the Walkera Dragonfly board.
http://www.rcuniverse.com/forum/forumid_405/tt.htm
http://www.rcuniverse.com/forum/forumid_405/tt.htm
