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Printing 3d Forum

How do I correctly wire up my RCTimer Mavlink?

Started by Wololo7, Monday,August 26, 2013, 09:08:45

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Hi. Just got my second OSD. I fried my last one. By mixing up wires. Now I';m quite afraid to do it. I am using a single battery. How do I wire it up so I don';t fry it again, and runs cool?


If you solder the pins for UART0 you can plug the cable from the 5 pin cable for the minimOSD into that, otherwise you can hack apart your cable for the telemetry and splice a second set of wires onto it.
I reverse polarities for fun.


Monday,August 26, 2013, 12:04:47 #2 Last Edit: Monday,August 26, 2013, 12:09:46 by Wololo7
Got that one solved. But how do I connect the video side? Well I do know that it need video signal. What to do with ground and +12? If I did the 5v mod, I';d need video and ground. Right?


If you do the 5v mod, make sure you don';t supply 12V from the video side, I cut the positive connection (the middle one) for both in and out to the board and put a "U" connector to still allow me to give 12V from the VTX to the Camera without going to the board.

I don';t like the RCTimer version where the mod is ugly, the cheaper 1.1 versions from HobbyKing are cheaper and allow you to mod with a simple trace solder.

BTW: if you still got your fried OSD it might still work if you do the mod. if you fried it on the 12V side.

My first OSD fried in the air, I had a second, while testing the good one to see how to fix the old I shorted the 12V side and it stopped working, after I modded both OSDs with the 5V they both worked.... now I have 4..... (when I fried the 2 I immediately ordered 2 more)