the motor does not have a voltage regulator, and i am running everything off of 4 AAA batteries. should i add a voltage reg? how will this affect my battey life?
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the motor does not have a voltage regulator, and i am running everything off of 4 AAA batteries. should i add a voltage reg? how will this affect my battey life?
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Button cells ???
No need to see further ...Originally Posted by griffin
Alain
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Why insist on using 32 Bits when you're not even able to deal with the first 8 ones ??? ehhhhhh ...
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IF there is the word "Problem" in your question ...
certainly the answer is " RTFM " or " RTFDataSheet " !!!
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Are the batteries rechargeable? The total voltage could be with fully charged cells 4.8 to 6 volts nominal. One could be a bit low if you are running at 10MHz or above and the other is a bit high.
The 4.8 v will be fine if nothing causes to much of a voltage drop. The batteries may seem fine after everything stops due to rebound. Try a voltmeter when it is running to monitor the voltage to see for your self.
Solution might be to have a separate set of batteries for the PIC and another for the motors. Share the zero rail.
If you are not running rechargables then a regulator is recommended for the PIC. Keep the voltage at 5 volts or less here. If you run the PIC at 4 MHZ or so the voltage can be much lower, check the data sheet under electrical characteristics. A low drop out regulator may also be handy. If the batteries are max voltage 4.8 and you run at 4 MHz then you will not need the regulator.
This "science olympiad ", is this something with a secondary school or university ?
Dave
Always wear safety glasses while programming.
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Hi,Dave
The internal resistance of those batteries is FAR too high to power a servo , so a servo and a Motor ...
Want some values ??? just to laugh a bit ...
running the PIC @ 3 v could be a solution ... for the Pic only !!!
Alain
************************************************** ***********************
Why insist on using 32 Bits when you're not even able to deal with the first 8 ones ??? ehhhhhh ...
************************************************** ***********************
IF there is the word "Problem" in your question ...
certainly the answer is " RTFM " or " RTFDataSheet " !!!
*****************************************
|
eYup, I was not really thinking about the motors, more to the PIC browning out. Good point.
Dave
Always wear safety glasses while programming.
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No, I thought if you were, then you might be overloading it. Alain is one of this forums R/C and Servo EXPERTS, I would defer to his expertise.
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