Go Back   RCCrawler Forums > RCCrawler General Tech > Electronics
Loading

Notices

Thread: BEC to Servo connector

Reply
 
LinkBack Thread Tools Display Modes
Old 01-04-2011, 09:30 PM   #1
Rock Crawler
 
Join Date: Mar 2009
Location: AZ
Posts: 789
Default BEC to Servo connector

Not sure if anybody else has posted this but this is the first I have seen of these. For those of you that freakin hate trying to crimp those tiny ends on this is a good fix. You can find the connectors here http://www.pololu.com/catalog/product/1065 thanks to my friend Moes670 for this link. And thanks to Jim Baddmann for getting me started on finding these things. He already had some but didn't know where to get them from.
Although the ones I have I found at the local electronics shop. These things fit great. In the pics I am missing the bec on the other end but I think you get the idea.





Last edited by Diamond D; 01-04-2011 at 10:08 PM.
Diamond D is offline   Reply With Quote
Sponsored Links
Old 01-04-2011, 09:45 PM   #2
RCC Addict
 
Join Date: Feb 2008
Location: Winnipeg
Posts: 1,296
Default

But the servo still needs signal from the rx! Only the red and black wires can go to the bec the yellow has to go to the rx!

But still sweet none the less!
PipeDreams is offline   Reply With Quote
Old 01-04-2011, 09:48 PM   #3
I wanna be Dave
 
Join Date: Nov 2008
Location: Where freedom is earned.
Posts: 2,011
Default

Let's see a completed pic with how your wiring the BEC wires.

Do you plan on splicing in another servo connector (signal wire only) and some shrink tube to plug it in to the ESC?
Krakker is offline   Reply With Quote
Old 01-04-2011, 10:06 PM   #4
Rock Crawler
 
Join Date: Mar 2009
Location: AZ
Posts: 789
Default

Quote:
Originally Posted by PipeDreams View Post
But the servo still needs signal from the rx! Only the red and black wires can go to the bec the yellow has to go to the rx!

But still sweet none the less!
Yes you will still need to pull the signal wire out and go the the RX and you will need another plug. You can also break these down to two plug ends. These are breakaway connectors.
Diamond D is offline   Reply With Quote
Old 01-04-2011, 10:07 PM   #5
Rock Crawler
 
Join Date: Mar 2009
Location: AZ
Posts: 789
Default

Quote:
Originally Posted by Krakker View Post
Let's see a completed pic with how your wiring the BEC wires.

Do you plan on splicing in another servo connector (signal wire only) and some shrink tube to plug it in to the ESC?
I don't have one wired up yet but should have one tomorrow for some more pics.
Diamond D is offline   Reply With Quote
Old 01-04-2011, 10:21 PM   #6
Rock Crawler
 
Join Date: Mar 2009
Location: AZ
Posts: 789
Default

heres another pic - the bec.
Diamond D is offline   Reply With Quote
Old 01-04-2011, 11:08 PM   #7
RCC Addict
 
Join Date: Feb 2008
Location: Winnipeg
Posts: 1,296
Default

That's better lol... makes more sense now lol... to bad I just direct soldered mine tonight lol... coulda made it easy to take apart like this!
PipeDreams is offline   Reply With Quote
Old 01-05-2011, 09:11 AM   #8
Keep it real
 
Tanis's Avatar
 
Join Date: Jun 2006
Location: Yakima,WA
Posts: 6,532
Default

This is a great idea Dave. I've been using tiny 2mm bullet connectors to wire in my BEC's, another option that isn't hardwired so it can be replaced quickly at a comp.
Tanis is offline   Reply With Quote
Old 01-05-2011, 10:29 AM   #9
Rock Crawler
 
Join Date: May 2010
Location: Calgary, Alberta, Canada
Posts: 771
Default

i just use this, Just a normal Y plug, remove a few wires.

T3rry is offline   Reply With Quote
Old 01-05-2011, 07:39 PM   #10
Quarry Creeper
 
Join Date: Feb 2009
Location: Gold Bar
Posts: 263
Default

Here is another way to do this.

Bust off three pin section of these pins and put a Z bend in the signal pin going to the bec. The pin will now ride above the BEC connector. Solder on a lenght of wire to reach your reciever and cover with a bit of heat shrink.

One problem wouild be trusting it to stay connected but a lenght of heat shrink or some elecrtical tape would fix that. Plus still easyish to unplug for repair or troubleshooting.

Should work well for a clean install and not add to much bulk. I like how all the connectors are inline and take up little space. Should not add much weight at all either. Not that that matters on my 8Lb shafty. But some of those MOA guys in our club are like women always worried about their weight




Servo on the right BEC on the left. White wire is your signal going to your reciever.








Shows the bend you will have to make. A small pair of neddle nose does the job nicley. These pins I have there was no problem bending the pin without breaking. Untill we get some of the pins in the link I am not sure if they will take a Z bend as well. My guess would be yes but time will tell.










Y-harness does the job too...... It is all personal preference.
moes670 is offline   Reply With Quote
Old 01-05-2011, 08:19 PM   #11
Rock Crawler
 
Join Date: Jun 2010
Location: Yelm,WA
Posts: 695
Default

Quote:
Originally Posted by T3rry View Post
i just use this, Just a normal Y plug, remove a few wires.

Where can ya buy these?
BFGcrawler418 is offline   Reply With Quote
Old 01-05-2011, 09:27 PM   #12
Rock Crawler
 
Join Date: Aug 2010
Location: Socal
Posts: 699
Default

I just ordered mine from RC planet

ParkZone Servo Y-Harness: (PKZ1063)

EDIT: the wires on this harness are so thin its ridiculous. DO NOT ORDER

Last edited by dstrbd1; 01-08-2011 at 10:21 PM.
dstrbd1 is offline   Reply With Quote
Old 01-05-2011, 09:39 PM   #13
I wanna be Dave
 
Join Date: Oct 2007
Location: Houston
Posts: 3,761
Default

Nice thread and find DD.
4xFord is offline   Reply With Quote
Old 01-06-2011, 08:18 AM   #14
I wanna be Dave
 
Join Date: Nov 2008
Location: Where freedom is earned.
Posts: 2,011
Default

This is a sweet tech thread! Great job HeavyD (and everyone else that provided pictures) Threads like this are priceless.

Only tech I can add is that most everyone has a crappy servo laying around (perhaps the one they're trying to replace) to use for the signal wire's connector.

This should be linked into a sticky.
Krakker is offline   Reply With Quote
Old 01-06-2011, 08:32 AM   #15
Rock Crawler
 
Join Date: May 2010
Location: Calgary, Alberta, Canada
Posts: 771
Default

Quote:
Originally Posted by BFGcrawler418 View Post
Where can ya buy these?
it's just a basic y harness, you should be able to get them at any hobby shop. Just cut out the red and black going to the RX, and the white going to the BEC.
T3rry is offline   Reply With Quote
Old 01-06-2011, 04:53 PM   #16
Quarry Creeper
 
Join Date: Feb 2009
Location: Gold Bar
Posts: 263
Default

Good point Krakker I kinda left left that part out. If you don't have a junk servo laying around the same website has the servo connectors and pre-crimped pins with wire. Just about any color you can think of as well.

http://www.pololu.com/catalog/product/1902




Save even more wieght..ok maybe not Single wides

http://www.pololu.com/catalog/product/1900




Wires

http://www.pololu.com/catalog/category/72

White 6 inch

http://www.pololu.com/catalog/product/1819




They have longer lenghts as well.
moes670 is offline   Reply With Quote
Old 01-11-2011, 04:12 PM   #17
RCC Addict
 
Join Date: Feb 2008
Location: Winnipeg
Posts: 1,296
Default

Something brought up in another thread was to shorten the bec pigtail nice and tiny and direct wire the servo power wires right to the bec on top of the pig tail wires. That way the connector isn't holding back any power and you can still easily program it. I believe the connectors are only rated for 7 amps. Just another option.
PipeDreams is offline   Reply With Quote
Old 01-11-2011, 04:42 PM   #18
I wanna be Dave
 
Join Date: Nov 2008
Location: Where freedom is earned.
Posts: 2,011
Default

Due to clerical error with their system, I got an email saying that they couldn't process my order even tho they got the money, they are not sure how to refund it or from where. I sent the email to my CC company and filed a NO PAY on that charge. They'll get it reversed.

Anyway, I couldn't wait so I went ahead and just used a small paper clip for now. (like 53Willy's had done) I put a piece of shrink tube over the connections for a nice clean look. I think my next step is to shorten the BEC pigtail.
I had discussed in another thread about direct soldering the power wires for the servo on top of the BEC's board as well, but I think I'll hold off on that. I want to be able to change things out quickly if the need to replace something comes up.

Here's my setup.

FYI: Thanks to EeePee, this is now in the sticky for BEC installs that JohnRobHolmes has. Nice work D.
Attached Images
     

Last edited by Krakker; 01-11-2011 at 04:47 PM.
Krakker is offline   Reply With Quote
Old 01-11-2011, 05:50 PM   #19
Rock Crawler
 
Join Date: Mar 2009
Location: AZ
Posts: 789
Default

FYI: Thanks to EeePee, this is now in the sticky for BEC installs that JohnRobHolmes has. Nice work D.[/QUOTE]

Cool glad it got posted there. I'm sure it will be useful. Thanks Krakker.
Diamond D is offline   Reply With Quote
Old 11-12-2011, 02:44 PM   #20
I wanna be Dave
 
Join Date: Nov 2010
Location: 07456 N. NJ USofA
Posts: 8,314
Default

I do similar to the connectors at the beginning of this thread...but. I get gold plated right angle headers.
-The gold helps prevent corrosion if the connector gets damp.
-If you carefully bend the 90* angle, you get extra long pins on each end of the connector. This makes it a bit more robust.

A wrap of electrical tape holds it all together. No cutting needed, makes it easy to swap servos or program BEC's.
Charlie-III is offline   Reply With Quote
Reply

Tags
bec-servo-connection, no-solder-bec




Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On
Trackbacks are On
Pingbacks are On
Refbacks are On



All times are GMT -6. The time now is 07:59 PM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2024, vBulletin Solutions, Inc.
Content Relevant URLs by vBSEO ©2011, Crawlability, Inc.
Copyright 2004-2014 RCCrawler.com