FPV backpack PCB build

If you've been building electronic bits or modifying stuff you've bought then tell us all about it here. A good place to discuss the installation of 2.4GHz DIY modules too.

Re: FPV backpack PCB build

Postby Eskibrew » Tue Apr 29, 2014 11:40 am

Eskibrew wrote:Just want to say thanks to TimJC for his OSHPark boards. I've just ordered them - not sure how long they will take to get to the UK but it is certainly easier than me digging out the ferric chloride! Need to order the other stuff now 8-)


The PCBs have arrived :P
Just over two weeks from order from USA to delivery in UK - Great service from OSHPark 8-)
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Re: FPV backpack PCB build

Postby michaelogri » Tue Apr 29, 2014 2:34 pm

Ah, Eskibre,

You could have had the boards off me, professionally made, components added less RX's 470uF caps and the TX & RX modules for the pair for £6 + P&P, in postage time from Surrey.
Check previous posts!

Mike
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Re: FPV backpack PCB build

Postby spedgey » Tue Jun 10, 2014 8:52 pm

Hi Mike

I would be interested in purchasing the boards from yourself, can you please PM me the details.

Simon
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Re: FPV backpack PCB build

Postby Shomer93 » Sat Jun 21, 2014 5:04 pm

hi all
so i took bruces design and wanted to move everything round so i could get some pcbs made by seed studio. so decided to make them cheaper ide fit both boards onto a 5x5cm board. but was hoping for some help with the 5v power regulator. instead of using the 5v ubec, could any one recommend a circuit i can use, so i can have the regulator directly on the board?
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Re: FPV backpack PCB build

Postby TimJC » Mon Jun 23, 2014 12:33 pm

Someone on RCGroups is looking to do just that. Take a look at the link below for more information.
http://www.rcgroups.com/forums/showpost ... tcount=227
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Re: FPV backpack PCB build

Postby Shomer93 » Sun Jun 29, 2014 3:22 pm

sorted it, i think
used the same power board as in rc groups
http://www.ebay.com/itm/310683416079

i think the schematic is right, could someone tell me if i made a mistake. the 3 resistors name MIC, 12v and 5v are going to be used as jumpers, so i can change the voltage going to the camera between 12v and 5v, and the resistor mic is used as a jumper to enable the onboard mic. i also added a power led to it. I've added the files to my dropbox account since i couldn't upload the files on here.

https://dl.dropboxusercontent.com/u/8058927/vtx2b.pdf
https://dl.dropboxusercontent.com/u/8058927/vtx2s.pdf
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Re: FPV backpack PCB build

Postby brooza77 » Mon Jun 30, 2014 6:56 am

Hi Guys,

Im thinking of buying Tim's design. Is there any info on where the power in connects and the camera plugs in 9-12v as originally designed by Bruce.

The design Tim has looks good. I have found all the components online but want to know how to plug it all in before i buy it all. I am very new to all this now been out of the hobby a while but im keen to have a go at building this.

Thanks

Bruce
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Re: FPV backpack PCB build

Postby michaelogri » Mon Jun 30, 2014 7:32 am

Bruce
Hope this helps.
Pins
1a GND 1b GND
2a 12v In for 12 to Camera Pin 7 2b 12v
3a 5v In for power to board 3b 5v
4a GND 4b GND
5 Audio In
6 Video In
7 12v
8 GND
9 Microphone Jumper
10 Microphone Jumper

My Sony 600TVL plugs into 6, 7 and 8.
If you want to buy, I have TXs and RXs for sale £6 + P&P all components solder on just needs the TX and RX modules soldered on!
Check earlier pages about 40 to 43.

Hope this helps

Michael
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Re: FPV backpack PCB build

Postby brooza77 » Mon Jun 30, 2014 7:43 am

Hi Michael,

Are the pins no's on the board? WHy are there so many grounds, where r they all coming from? Where would the ubec plug in.? I think i may be a bit confused.

Thanks
Bruce
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Re: FPV backpack PCB build

Postby brooza77 » Mon Jun 30, 2014 1:48 pm

I think i have a handle on it the more i look at it, well i orded the boards and all the components so see what happens
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