BridgeH ponteH

[alfona156]

What I have a problem I can not solve, and so I hope in His help,
I need to Operate through a 0-1K potentiometer That call Pc, connected to a joystick, a 2Amax 12v engine.


The motor M, through a wall I Submitted another 0-1K potentiometer That call Pp How detects the position.
Everything should Working in the Following way:
-pc A 0,5k The Motor MUST not be fed.
-Turn A Right or Left on the basis of a coming I move the joystick.
Another function:
-if steady your joystick for example a potentiometer ? mark 0,75k, The Motor MUST remain stationary, More or Less, In position Equivalent, although can move slightly forward and backward, in practice I do not need What remains braked .
I sincerely hope will be able to give me few tips
Thank you in advance
schema.jpg

[rideon]

The schematic you posted doesn't work, at least the way you want...
From what i understand ,you should take a look at how RC servo works,they come pretty cheap and you can use em with
servo tester...