Current sensing for robot arm with PWM control of hacked servo motors
Re: Current sensing for robot arm with PWM control of hacked servo motors
since V=IR and I know V and R I can get the current.
Re: Current sensing for robot arm with PWM control of hacked servo motors
Re: Current sensing for robot arm with PWM control of hacked servo motors
Re: Current sensing for robot arm with PWM control of hacked servo motors
Re: Current sensing for robot arm with PWM control of hacked servo motors
Re: Current sensing for robot arm with PWM control of hacked servo motors
my limiting factor for sample speed seems to not be the actual sampling rate, but the rate at which I can print to serial.
I've tried writing out to SD card too and that was WAY slower, but if you know of a way to push the data out faster...
Re: Current sensing for robot arm with PWM control of hacked servo motors
Re: Current sensing for robot arm with PWM control of hacked servo motors
samples and logs to SD at 40KHz
Re: Current sensing for robot arm with PWM control of hacked servo motors
my experience with these tiny motors is that inductance is so small and instantaneous it really doesn't add much into the equation, so P=IV is pretty accurate still.
Re: Current sensing for robot arm with PWM control of hacked servo motors