 | | Hacking Servos
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Howdy Folks :) I remember reading a web doc a while ago on how to convert servos so their shafts can rotate more than 180 degrees... It was a nice doc, with pics, schematics, and everthing... but I lost the URL... :( Does any one know what doc am I (...) (26 years ago, 1-Dec-98, to lugnet.robotics.handyboard)
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| | Re: HandyBoard and iMac?
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It doesn't bother me that much: I haven't used a floppy in two or three years. I have ISDN at home: it's way faster than a floppy ;^). -- Eric (...) (26 years ago, 1-Dec-98, to lugnet.robotics.handyboard)
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| | 2sonar
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i use circuit on 2sonar.jpg . if i use sonar.c program, how i adjust this program for 2 sonar trasducers. ?(a picture on 2sonar.jpg) i want to 1 sonar working single , don't together.or to alternate. Sonar number 1(#1)is working until check (...) (26 years ago, 1-Dec-98, to lugnet.robotics.handyboard)
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| | 2sonar
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i use circuit on 2sonar.jpg . if i use sonar.c program, how i adjust this program for 2 sonar trasducers. ?(a picture on 2sonar.jpg) i want to 1 sonar working single , don't together.or to alternate. Sonar number 1(#1)is working until check (...) (26 years ago, 1-Dec-98, to lugnet.robotics.handyboard)
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| | 2sonar
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i use circuit on 2sonar.jpg . if i use sonar.c program, how i adjust this program for 2 sonar trasducers. ?(a picture on 2sonar.jpg) i want to 1 sonar working single , don't together.or to alternate. Sonar number 1(#1)is working until check (...) (26 years ago, 1-Dec-98, to lugnet.robotics.handyboard)
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| | Re: HandyBoard and iMac?
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hi eric, i haven't tried any of these products, but they *should* work. the mac hb software uses low level driver calls, so if that stuff is patched and translated to usb, it would work. but if i were you i'd get one and try it on an existing (...) (26 years ago, 1-Dec-98, to lugnet.robotics.handyboard)
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| | micro-mouse
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Hi, can anyone tell me what should I initialise before I start writting all my program for my robot in a microcontroller. Thank you Chin (26 years ago, 1-Dec-98, to lugnet.robotics.handyboard)
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| | Re: Re: What needs to be done to get both the Floating point fix & the Smooth PWM?
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Hi I did the port of the smoothpwm stuff into the IC 3.x source code. The Newton Labs ftp site has the smoothpwm files available from: ftp://newtonlabs.com...mooth-pwm/ If someone can get me the code for the FP fix, I'll see if I can get a new pcode (...) (26 years ago, 1-Dec-98, to lugnet.robotics.handyboard)
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| | Re: HandyBoard and iMac?
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It doesn't even have a floppy drive! -----Original Message----- From: Eric Noyau <noyau@apple.com> To: handyboard@media.mit.edu <handyboard@media.mit.edu> Date: Monday, November 30, 1998 8:39 PM Subject: HandyBoard and iMac? (...) can get one dirt (...) (26 years ago, 1-Dec-98, to lugnet.robotics.handyboard)
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| | HandyBoard and iMac?
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I'm replacing my aging home PC with an iMac (look at my email address: I can get one dirt cheap!) and I'm wondering if I can use it to pilot my trusty HandyBoard. Anybody have any experience in this area? I'd like to throw away the PC... The iMac (...) (26 years ago, 1-Dec-98, to lugnet.robotics.handyboard)
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| | time usage
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hello, i am having trouble conserving time in my IC code. i am using an analog() function, and a motor() function. does anyone know how long it takes to execute these functions? also, do the encoder functions that are posted on the website take much (...) (26 years ago, 30-Nov-98, to lugnet.robotics.handyboard)
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| | What needs to be done to get both the Floating point fix & the Smooth PWM?
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What changes need to be done to get both the floating point fix in IC v. 3.2 beta 1 and the smoother PWM functions? (...) (26 years ago, 30-Nov-98, to lugnet.robotics.handyboard)
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| | Re: Logic level conversion
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To convert from 0-3 to 0-5 I would suspect that all you need is a 2N2222 NPN transistor with a couple of resistors to bias it. For example: +5volts 100 ohm resistor collector ---...---0-5 input 0-3v output -----1k resistor ----- base emitter 0volts (...) (26 years ago, 30-Nov-98, to lugnet.robotics.handyboard)
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| | Re: stepper motor standard libary
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check out this page (URL) Message----- From: phillip chia <philchia@singnet.com.sg> To: handybd <handyboard@media.mit.edu> Date: Monday, November 30, 1998 11:45 AM Subject: stepper motor standard libary (...) (26 years ago, 30-Nov-98, to lugnet.robotics.handyboard)
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| | Logic level conversion
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I have a device that uses 0 - 3V logic levels for the data output. What can I do to convert the output to match the 68HC11's 0 - 5V logic level? Thanks for the help, Dave (26 years ago, 30-Nov-98, to lugnet.robotics.handyboard)
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| | Re: Good 9V motor source -Reply
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These motors are exellent quality and very powerful the gears are metal and the motors does not exed 300 mA @12V stalled. I currently use the same motors on my robot and had no problems at all. I drive them using the motor drivers on the Handy Board (...) (26 years ago, 30-Nov-98, to lugnet.robotics.handyboard)
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| | Re: Print to IC's console window
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(...) there is no builtin way of doing this. to get msgs back over the serial line, see the FAQ question at: (URL) Is it true that the handy board can only work when the LCD is plugged onto (...) you need a replacement pcode file to let the HB work (...) (26 years ago, 30-Nov-98, to lugnet.robotics.handyboard)
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| | Good 9V motor source -Reply
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jameco (www.jameco.com) has several new gear head motors in the 3-12v range with various gear ratios. I ordered two for my latest project and they seem to be solid and up to the task. jameco's latest catalog also has some robotic stuff including (...) (26 years ago, 30-Nov-98, to lugnet.robotics.handyboard)
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| | Re: Extra output for clocking
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Hugo Robertson: One of the nice things about the 68HC11 chip is its well rounded timming system. Grab your Handy board Technical reference manual and have a look at page 48. PA0-3 are "Input Capture" pins. When the logic level changes (according to (...) (26 years ago, 30-Nov-98, to lugnet.robotics.handyboard)
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| | Print to IC's console window
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Hi, Does anyone know how to print messages to the IC's console window while running IC.exe. Is it true that the handy board can only work when the LCD is plugged onto the handy board ? It is because when ever it unplugged the LCD from the handy (...) (26 years ago, 30-Nov-98, to lugnet.robotics.handyboard)
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