Selecting MCU n Driver for RC Tank

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Hi all,

I'm trying to convert a small tank into a semi-autonomous robot. The chassis is pretty similar to the Tamiya double gearbox + track n wheels + base plate.

 

The problem is there isn't much space to play with (see pic). With 2 AA batteries, i might be able to squeeze in 1 flat PCB.

I was tinking of using an Arduino but I dun tink it can fit in.

 

Just remembered I've some small batt packs from Pololu, so 6 V sld be ok.

 

Is there any recommendations for 6 V MCU + a motor driver that is small enough to fit into the space?

 

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You could remove the turret

You could remove the turret and mount the stuff on top maybe in a small box?

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that’s an option, but I’m

that’s an option, but I’m trying to preserve the exterior.

 

I saw the new arduino + lipo + driver from Sparkfun, which sld fit nicely into the small space, but i dun tink the batt have enough juice to run the motors.

 

Any suggestions?