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Subject: 
Re: "Servo" Driver for NQC
Newsgroups: 
lugnet.robotics
Date: 
Sat, 2 Feb 2002 04:37:55 GMT
Viewed: 
752 times
  
But it doesn't need to.  The 'power' settings built into the RCX firmware
are already using pulse-width modulation to adjust the amount of power
the motor delivers.

Yes, but only one of 8 settings (why not all 256??? I don't understand
why they limited this). Sometimes only 8 settings doesn't give you
enough finesse.

Matthias Jetleb



Message has 1 Reply:
  Re: "Servo" Driver for NQC
 
(...) That was explained earlier. They are using an 8 bit number to store the *pattern* of the modulation. With 8 bits, there are only 8 different ratios of 1's to 0's - and one of those is to have no power at all. Hence there are seven power (...) (23 years ago, 2-Feb-02, to lugnet.robotics)

Message is in Reply To:
  Re: "Servo" Driver for NQC
 
(...) But it doesn't need to. The 'power' settings built into the RCX firmware are already using pulse-width modulation to adjust the amount of power the motor delivers. ---...--- Steve Baker ---...--- Mail : <sjbaker1@airmail.net> WorkMail: (...) (23 years ago, 29-Jan-02, to lugnet.robotics)

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