So I'm starting a new project that requires me to use R/F signals to control 4 motors with a controller.
I take apart an old R/C car my dad bought for me when I was a kid and this is what I got
Would the 4th image be my receiver?
or would it be some where on the pcb in picture 3?
well I have a motor shield so I won't be using any motors directly to my arduino.
But I'm a newb and who's learning about this kind of stuff.
I was 100% serious.
Well then, you need to ask yourself what could the strange PCB switch be for.
Bet you wished you'd gone around it with a scope or meter before you wrecked it.
This is either
1: A very very old RC car
2: A toy with radio control
The PCB you got is not really common in RC cars, mostly you will find an electronic speed controller and a receiver, two separate units.
Then there are the motor and the servo, hooked up to the ESC and the receiver hooked up to the ESC as well.
This PCB is probably going to be hard to figure out, since you didn't label the wires coming out of it before you ripped them out.
I think you'd be better off buying a new RF receiver (like an xbee, loads of examples to be found for Arduino use) or a standard receiver for RC cars.