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-   -   Installing a switch for gyro. (https://www.rctech.net/forum/radio-electronics/977859-installing-switch-gyro.html)

JB1004 02-11-2017 03:30 AM

Installing a switch for gyro.
 
Hello,

I am planning on installing a gyro on my Stampede xl5.

I am thinking of connecting 3PDT on-on toggle switch between receiver, gyro and servo.
But I am not quite sure if this will work to turn gyro on and off.
I have drawn a schematic for it.

dropbox.com/s/jajcqi4qh6skzaa/2017-02-11%2022.22.18.jpg?dl=0

Can anyone tell me if it will work or if not, what should I do to make it work?

Thank you

mikeygar 02-11-2017 08:41 AM

i think the + and - are constantly powered from the receiver so not sure how you will trigger the relay.

gigaplex 02-11-2017 12:33 PM


Originally Posted by mikeygar (Post 14834479)
i think the + and - are constantly powered from the receiver so not sure how you will trigger the relay.

They mentioned a 3PDT switch, which is basically a 3 pin toggle that chooses been one output or another. There's no relay. All 3 pins, signal + and -, will be switched. It should work.

The schematic drawing is a bit misleading as it only has a single line representing a 3 wire lead.

Edit: my one concern would be whether or not the gyro will safely handle having the output pins being powered when bypassed, since they're not isolated from the servo.

JB1004 02-11-2017 01:46 PM


Originally Posted by gigaplex (Post 14834667)
They mentioned a 3PDT switch, which is basically a 3 pin toggle that chooses been one output or another. There's no relay. All 3 pins, signal + and -, will be switched. It should work.

The schematic drawing is a bit misleading as it only has a single line representing a 3 wire lead.

Edit: my one concern would be whether or not the gyro will safely handle having the output pins being powered when bypassed, since they're not isolated from the servo.

Thank you for your reply!

I was thinking about that problem too, do you think installing three diodes(1N4148) will help?

dropbox.com/s/qtoi5xi0tti0zme/2017-02-12%2016.18.59.jpg?dl=0

Also, I got a different suggestion about turning the signal from gyro on and off. Do you think this will work better than the one above?

dropbox.com/s/msm8zmr9onr6wqa/2017-02-12%2017.10.13.jpg?dl=0

THANK YOU SO MUCH!

Thanks

mikeygar 02-12-2017 07:47 PM


Originally Posted by gigaplex (Post 14834667)
They mentioned a 3PDT switch, which is basically a 3 pin toggle that chooses been one output or another. There's no relay. All 3 pins, signal + and -, will be switched. It should work.

The schematic drawing is a bit misleading as it only has a single line representing a 3 wire lead.

Edit: my one concern would be whether or not the gyro will safely handle having the output pins being powered when bypassed, since they're not isolated from the servo.

haha my mistake; was thinking the whole time how he would trigger this remotely... Interesting project here.


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