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Motor connection

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Hello dear the inhabitants of our site. Help me figure out the correct motor connection. And so I have guts from a Chinese helicopter toy on 3.7v.m. I need to connect a 9-volt motor to them through a relay or something else. Naturally from a different battery. That is, when the voltage of 3.7 V is blown up from these guts, so that it turns on the relay or controller and then the 9-volt power goes on. Sorry for not literacy I'm in electronics not really, especially in terms. Thank you in advance, all the creative successes.
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11 comments
+1
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Not sure, but that toy has a small range ...

At the Grad ??? Yes, it’s too small ....))) But, after all, there is also a “Hurricane” and “Tornado” !!!!
(At the latter, by the way, he served as an emergency once))))))
+1
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Cheap helicopters are often even controlled via IR, so yes, the radius there is scanty. Why did I ask why this is all, maybe it makes no sense. But questioning the campaign of that, that's all.
+1
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Dmitrij
and in the presence of a wider even "Grad"
Not sure, but that toy has a small range ...
0
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and in the presence of a wider even "Grad" xaxa
0
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I did not say that!
And in the presence of imagination, fireworks can also be launched.
+2
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anyway not a detonator
0
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It seems he wants to control a certain motor using equipment from a broken helicopter.
+1
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The situation is not described.In fact, apart from the two voltages, nothing is known. ((
0
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That is not, there the regulator is unlikely to survive. Manage some kind of rely or mosfet powerful, and they already have an engine. This is if there was a native collector motor, and if the asynchronous BC is all the more complicated ...
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can we try sequentially through two 3V batteries? But the current probably will not stand the electronics, except after 4, two pairs. But it is, the most empty option
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I would like to see at least a photo of what is and what needs to be connected. "Motors" are also different. And what is the purpose of using a board from a helicopter to control another model?

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