To LUGNET HomepageTo LUGNET News HomepageTo LUGNET Guide Homepage
 Help on Searching
 
Post new message to lugnet.robotics.handyboardOpen lugnet.robotics.handyboard in your NNTP NewsreaderTo LUGNET News Traffic PageSign In (Members)
 Robotics / Handy Board / *3749 (-10)
  Micromouse speed
 
Hi, does anyone know how fast should a micromouse move? and the other question is, will the 6811/handyboard have enough capability (address space) for maze solving? If not, what should I need? extra memory or 32bits processor? Thank you for any (...) (26 years ago, 4-May-98, to lugnet.robotics.handyboard)
 
  Re: Controlling a DC motor 3
 
(...) Within limits, the rate doesn't matter much. What matters is the ratio of off time to on time (i.e., the duty cycle). Probably, you could change the frequency by an order of magnitude either way and get about the same results. --Will , , __@_/ (...) (26 years ago, 4-May-98, to lugnet.robotics.handyboard)
 
  Re: LCD Addressing - & - Expanded Mode
 
(...) You can only run the LCD when in single chip mode. (...) This leaves the chip in 'special test mode' that lets you go into and out of expanded mode by writing the config register. --Chuck (26 years ago, 4-May-98, to lugnet.robotics.handyboard)
 
  Re: Polarity of PowerJack from HB und Charger Board
 
on the interface/charger, since there's a bridge rectifier immediately normalizing the input jack voltage -- regardless of polarity -- it kind of doesn't matter which polarity you use. there is a discrepancy between the int/charger schematic and (...) (26 years ago, 3-May-98, to lugnet.robotics.handyboard)
 
  Re: Cannot download pcode on a Mac G3
 
Paul -- have you tried 6811 Downloader? Any luck with that? looks like Randy and I will both need to get our hands on a G3 to debug our code :-) Fred In your message you said: (...) (26 years ago, 3-May-98, to lugnet.robotics.handyboard)
 
  Cannot download pcode on a Mac G3
 
Hello everyone, I've been having a problem downloading pcode to a handyboard or rugwarrior board from my Mac G3 (266 Mhz desktop model). When I try to download the bootstrap code, it reports that the bootstrap failed after 000 bytes, etc.. etc... (...) (26 years ago, 3-May-98, to lugnet.robotics.handyboard)
 
  Controlling a DC motor 3
 
Thank your for all your replies, I understand what 's going on now Another question about the motor driver is: Q) The PWM is a sequence of pulses switching on & off the H-Bridge. But what should be the rate of PWM? 1000Hz?? why? what does the rate (...) (26 years ago, 3-May-98, to lugnet.robotics.handyboard)
 
  LCD Addressing - & - Expanded Mode
 
Two questions: 1) I'm having a little trouble figuring out how the LCD is addressed. It uses A8 and A8 but also is clocked from Port A. Can someone explain how to properly address the LCD using ASM? 2) The Mode B pin is always grounded. How does the (...) (26 years ago, 3-May-98, to lugnet.robotics.handyboard)
 
  recharging a battery the right way
 
hello I have a 6v 2.0amp battery. Its a lead acid battery. What is the right way to recharge it? The reason I ask is because I had a 12v 7amp battery from the same manyfacturer. I charged it using a car battery charger at the lowest setting (...) (26 years ago, 3-May-98, to lugnet.robotics.handyboard)
 
  Polarity of PowerJack from HB und Charger Board
 
Hi I am wondering about the Polarity of the Power Jack at the Handyboard and the charger board. At the HB the Pin in the middle is ground. At the charger board the outside Ring is ground.Can anybody tell me why it is different ? Thanks (...) (26 years ago, 3-May-98, to lugnet.robotics.handyboard)


Next Page:  5 more | 10 more | 20 more

Redisplay Messages:  All | Compact

©2005 LUGNET. All rights reserved. - hosted by steinbruch.info GbR