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« on: November 30, 2016, 10:51:04 PM »
Deepankar Shardey
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I am making an airplane, i have a 30000 rpm(at 12v) brushed motor and, 4 channel 433mhz rx and tx  but i dont know how to connect them.Please help me. Huh?
« Last Edit: November 30, 2016, 11:25:54 PM by Deepankar Shardey » Logged
 

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« Reply #1 on: November 30, 2016, 11:05:52 PM »
K K Iyer
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@deepankar shardey,
Welcome to the forum.
Dont mind, but you need to do some homework first.

Motors?
Are you thinking of more than one?

Motor is not connected to rx directly. Motor connects to ESC. Which connects to rx.

Pl tell us what equipment you have, and what you want to do, so that we can help.

Regards

Edit:
This post is now irrelevant, as the original post has been edited with significant alterations!
« Last Edit: December 01, 2016, 01:09:31 AM by K K Iyer » Logged
 

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« Reply #2 on: December 01, 2016, 01:42:55 AM »
Voice of deaf
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Is that a arduino module ? Or a hobby radio ?
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« Reply #3 on: December 01, 2016, 08:24:02 AM »
Balakrishna Reddy
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We can help you better if you let us know exactly what you have. Post the pics or its model so that we can have clear picture and help you better.
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« Reply #4 on: December 01, 2016, 09:15:01 AM »
rajjames
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Re:

Hello Deepankar,

There are some assumptions from my side while typing this. Correct me if I am wrong:
a. You already have a protocol in place by which you get clean 5V voltage pulses from your receiver output corresponding to the input from Tx. Or you have a ready to use standard 433MHz RC transmitter and receiver.

Connecting motor to the receiver:
You have 2 options:
a. Buy an ESC for brushed motor with required rating(simple, I know Wink )
b. DIY way:
Since you are using a brushed motor, if you are interested in DIY, you can connect your receiver output to a voltage follower(also called unity gain amplifier). This will just act as a voltage buffer and prevents your receiver from being loaded. Now, amplify the 5V output from the voltage follower to 12V using Transistor or Mosfet(preferably Mosfet if the pulses are of high frequency and/or high current). Connect the amplified output to the motor. Make sure you have 12V power filter capacitors(and inductor, if needed) and motor back emf protection diode in place.

Please don't hesitate to comment on anything you may want to discuss.

Regards,
Raj Gunaseelan James
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« Reply #5 on: December 01, 2016, 09:26:48 AM »
rajjames
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Re:

.
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« Reply #6 on: December 01, 2016, 02:57:57 PM »
Deepankar Shardey
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 :)a hobby radio.
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« Reply #7 on: December 01, 2016, 05:37:42 PM »
Allixender Samuel
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Hello  everyone is there a place of metting in Indore ....
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