Jan 24, 2011, 07:53 PM
Stay airborne my friends
rc-mike's Avatar
He is working on an antenna tracker right now. A picture is a few pages back.

I don't see why waypoints wouldn't work everywhere but I'm not entirely sure. I haven't heard of it not working anywhere.
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Jan 24, 2011, 07:54 PM
Registered User
So can i just get a 7805 from like radio shack?
Jan 24, 2011, 07:59 PM
Videopilot
Derek_S's Avatar
Quote:
Originally Posted by beginner4life View Post
So can i just get a 7805 from like radio shack?
Yes.
Jan 24, 2011, 08:06 PM
Registered User
Are there different 7805's or should i just be like where do you keep the 7805 voltage regulators? lol
Jan 24, 2011, 08:13 PM
Just trying to get a nut.
scrtsqrl's Avatar
Quote:
Originally Posted by beginner4life View Post
Are there different 7805's or should i just be like where do you keep the 7805 voltage regulators? lol
If you go to the "bins" they will have it there under "Regulators". You are better off picking it out yourself. It's a very common part.



http://www.radioshack.com/product/in...ductId=2062599
Last edited by scrtsqrl; Jan 24, 2011 at 08:18 PM.
Jan 24, 2011, 08:16 PM
Absolute Beginner
Royalfm's Avatar
Quote:
Originally Posted by rc-mike View Post
He is working on an antenna tracker right now. A picture is a few pages back.
I guess i missed that and im to blind to find it maybe you can give me a link or the pagenumber?

Thank you.
Jan 24, 2011, 08:17 PM
I love FPV!
Cralis's Avatar
.... Error. Sorry.
Jan 24, 2011, 08:21 PM
Stay airborne my friends
rc-mike's Avatar
Quote:
Originally Posted by Royalfm View Post
I guess i missed that and im to blind to find it maybe you can give me a link or the pagenumber?

Thank you.
https://www.rcgroups.com/forums/show...postcount=7760
Jan 24, 2011, 08:23 PM
Absolute Beginner
Royalfm's Avatar
Ok, now i know why i didnīt found it by using the searchengine

Does this look like incl. diversity?
Jan 24, 2011, 08:55 PM
Registered User
Quote:
Originally Posted by scrtsqrl View Post
If you go to the "bins" they will have it there under "Regulators". You are better off picking it out yourself. It's a very common part.



http://www.radioshack.com/product/in...ductId=2062599

Okay thanks
Jan 24, 2011, 09:01 PM
O <- this a ground loop
Quote:
Originally Posted by beginner4life View Post
Okay thanks
If you're worried, don't forget to pick up a heatsink while you're at it...

unless you want to build a flying hot glue gun

but 150mA over a 7v drop is not going to get anywhere as hot as a 1A rated 7805 with 1A over a 7v drop.

Ren
Jan 24, 2011, 10:00 PM
Just trying to get a nut.
scrtsqrl's Avatar
Quote:
Originally Posted by devfor View Post
If you're worried, don't forget to pick up a heatsink while you're at it...

unless you want to build a flying hot glue gun

but 150mA over a 7v drop is not going to get anywhere as hot as a 1A rated 7805 with 1A over a 7v drop.

Ren
You could also get a 7808 and step it down to 8 V before you step it down with the 7805.
Jan 24, 2011, 10:04 PM
Just trying to get a nut.
scrtsqrl's Avatar
I tried to power my DOSD+ V1 with filtered 5V from a BEC as recommended earlier to eliminate some lines in my video. Sadly, this did not fix the problem as well. I guess I will have to live with it for now.

In the process of trouble shooting, I smoked my 2.4GHz 500mW VTx in the process.

I "borrowed" our other airplane's VTx. Fortunately, I did not damage anything else.

So, anyone in the US have a 500mW or 200mW Lawmate VTx who'd care to part with it? If so, pls send me a PM.

If I don't find one soon. I think I'm going with a 5.8 system for "club" use.
Jan 24, 2011, 10:07 PM
KB3VOJ
cherokee180c's Avatar
Why would you try to provide filtered 5V for the OSD? I think that is too low for comfort, filtered 12V is what you should be powering the DOSD with. If you have a 5V camera or VTx is where the 5V comes in, but you should consider the BEC to be dirty power and only use for the RC control if possible. Some switching BEC's are better than others. I switched over to the 7805 linear regulator circuit to provide clean 5V to my 5V VTx. Sorry to hear about the VTx and hopefully somebody has one they want to part with.
Jan 24, 2011, 10:10 PM
Just trying to get a nut.
scrtsqrl's Avatar
Quote:
Originally Posted by cherokee180c View Post
Why would you try to provide filtered 5V for the OSD? I think that is too low for comfort, filtered 12V is what you should be powering the DOSD with. If you have a 5V camera or VTx is where the 5V comes in. Sorry to hear about the VTx and hopefully somebody has one they want to part with.
I have a 5 V camera and VTx. I was trying to power all video gear off one BEC.

This could be an opportunity. Maybe I'm going to equip one bird with 5.8 so that I can fly at the local field where 2.4 Radios just clobber the video.

Any reason why the DOSD is less reliable with 5V?



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