Compatibility

Can this battery RB-Fut-37 (11.1V) be used with an Arduino 328 microcontroller to power a RB-Nex-30 motor?

robotshop.com/en/111v-2200ma … -plug.html
robotshop.com/en/12v-120-rpm … r-641.html
robotshop.com/en/arduino-uno … oller.html
This can be used to power the Arduino, but you would need a deans to barrel adapter (we do not offer any at this time)
The Arduino microcontroller should not be used to power the motor however - you’ll need a motor controller.

The same battery can be split so it can power both the microcontroller and the motor controller.

How about a RoboClaw motor controller like RB-Bat-47?

I will have a motor setup similar to this robot: RB-Nex-59. What I don’t understand is how it can use the Arduino 328 microcontroller with the same motors I have?

That would work without problem, and might be a bit overkill (the motor only consumes around 1.4A under load while the RoboClaw can handle up to 15A). You could potentially reuse the Roboclaw for future projects, so a bit of an investment.
RB-Nex-59 does not use a standard Arduino - their microcontroller has a built-in dual motor controller, as well as a dual motor controller shield which allows for independent control of up to four motors.
robotshop.com/en/nexus-robot … =RB-Nex-93
robotshop.com/en/io-expansio … =RB-Nex-23

Thank you. That’s very helpful info. I was in fact planning on using the RoboClaw for a future project as you said.