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Discussion Groups | BasicX | monitor dc voltage


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Discussion forum for the BasicX family of microcontroller chips.

monitor dc voltage - jrk0002 - Oct 13 15:41:54 2009

I am working on a robot project that needs a very efficient dc motor. In order to determine the efficiency of the motor I need to log the amount of power that is used while the robot is running. The robot will need to run for 3min running on 3~6 volts. Any help with how this can be done with Basic X would be great!

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Re: monitor dc voltage - "nje...@ihug.co.nz" - Oct 13 23:50:31 2009


Use one of the A/D inputs to read the motor voltage and log voltage vs
time would be one way. The input volts must be divided to not exceed 5v
Dc and would need to be filtered with a long time constant RC.

jrk0002 wrote:
>
>
> I am working on a robot project that needs a very efficient dc motor.
> In order to determine the efficiency of the motor I need to log the
> amount of power that is used while the robot is running. The robot
> will need to run for 3min running on 3~6 volts. Any help with how this
> can be done with Basic X would be great!
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