 | | Best way to capture rising and falling edges?
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Hi, It's me again. If anyone has followed the questions I have been asking, you'll see that I am learning, slowly, how to get an interrupt routine trigger on both rising and falling edges of a PORTA line. After much help from this list and Fred (...) (29 years ago, 28-Feb-96, to lugnet.robotics.handyboard)
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| | Handyboard vs. Botboard 2
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Dear Fred and other handyboarders, This might be a strange question for this group. I am busy making a little robotlike object. As I have several Basic STAMPs laying around, I am making it multiprocessor - however, STAMPs don't have interrupts, (...) (29 years ago, 29-Feb-96, to lugnet.robotics.handyboard)
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| | Re: Handyboard vs. Botboard 2
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The botboard does not incorporate motor drivers; the Handy Board does. The handy board is smaller, and fits into a commercial plastic enclosure with the battery pack underneath. The botboard has prototype area; the handy board does not. The handy (...) (29 years ago, 29-Feb-96, to lugnet.robotics.handyboard)
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| | Zero Page Variables?
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IC gurus, I am trying to port some of my IR routines to IC and I am having trouble. I use some bit operations on variables, but this means that the variables must be in the ZP. I converted the variables to be anywhere in the RAM but then I have to (...) (29 years ago, 29-Feb-96, to lugnet.robotics.handyboard)
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| | Re: Zero Page Variables?
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David, I believe that IC never actually supported zero page variables; it was documented as a feature but never implemented. Your solution of using the indexed registers is what I was going to suggest. -Fred -- This message was composed using (...) (29 years ago, 29-Feb-96, to lugnet.robotics.handyboard)
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| | IC programs?
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One of the things that has always perplexed me about Interactive C is the lack of a software support site. It seems that with all of the people using it to write programs for their robots, surely someone would have started collecting/distributing (...) (29 years ago, 1-Mar-96, to lugnet.robotics.handyboard)
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| | IC file site
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(...) I totally agree. There are several thigns that I have written that I would like to share, but I don't know of a place to do it. Clint, maybe you'd like to start up a little stash of IC files? Or should there just be a spot on cher? *Brian (...) (29 years ago, 1-Mar-96, to lugnet.robotics.handyboard)
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| | Re: IC file site
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(...) ke (...) I set up a place on cher: ftp://cher.media.mit...c_contrib/ make yourself a subidrectory in there and upload away. -Fred (29 years ago, 2-Mar-96, to lugnet.robotics.handyboard)
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| | New IR routines and as11_ic for mac
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Fellow HB friends, With the creation of the new folder for distribution, I decided to put it to use. I have uploaded the following files to cher.media.mit.edu: 257 "/pub/incoming/ic_co...ib/dnegro" is current directory. -rw-r--r-- 1 ftp system 5239 (...) (29 years ago, 3-Mar-96, to lugnet.robotics.handyboard)
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| | Accessing the SCI.
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Hello Handy board people, I have an application where a computer needs to transfer data to the handy board under an IC program through the serial communication link. Are there any IC commands to do that? Any suggestions? Rachid (29 years ago, 4-Mar-96, to lugnet.robotics.handyboard)
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| | Yellow Leds & Battery
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Hi, I've got a little problem ... When I connect the DC adaptor to the interface board (which is connected to the HB which is OFF) after a while the yellow led of the Intf Board get dimmmer and dimmer ... it light off .. It appears to happen when (...) (29 years ago, 5-Mar-96, to lugnet.robotics.handyboard)
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| | Re: Yellow Leds & Battery
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(...) are you sure you have enough voltage on the adapter? You need at least 16- 18 v open circuit, or an adapter rated for 12 volts at 500 mA. Your symptoms are consistent with an adapter that is rated with too little voltage. (...) Not sure what (...) (29 years ago, 5-Mar-96, to lugnet.robotics.handyboard)
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| | Group purchase for Vector compass and BAsic stamps
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I have been offered a chance to get the following items at a discount from a vendor that I use. I have decided to pass the savings on. I need at least 5 of each for this to work. Vector 2X Electronic Compass $41.00 or $45.00 Parallax Basic Stamp Sip (...) (29 years ago, 5-Mar-96, to lugnet.robotics.handyboard)
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| | IR Transmitter Boards
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thanks to all those who requested information, I have decided to post it here rather than send out 30+ email messages. This is a beta test of an IR transmitter board for the HB or any other use. The board is about 1 in square, either round or square (...) (29 years ago, 5-Mar-96, to lugnet.robotics.handyboard)
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| | Vector 2X electronic compass
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I'd like to see some specs on the Vector 2X electronic compass just offered for sale. Can anyone supply same, or a source on the Internet? Thanks, Rick ===...=== Richard B. O'Hara Director of Business Planning Tel. 303/546-9113 VR-1 Entertainment (...) (29 years ago, 5-Mar-96, to lugnet.robotics.handyboard)
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| | Re: Vector 2X electronic compass
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(...) There isn't much on the internet, and as far as I know precision navigation isn't on the internet. They have a goofey faxback line, you can get the manual for the thing that way. Very carefully call 1-415-903-1498, and get document 520#. good (...) (29 years ago, 5-Mar-96, to lugnet.robotics.handyboard)
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| | Re: Vector 2X electronic compass
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(...) It's produced by Precision Navigation (415) 962-8777, but they don't sell them direct; however, they may send you the specs. Jameco sells them for $50. Briefly, it's a dual axis magnetometer, no moving parts. It's reported accuracy is +/- 2 (...) (29 years ago, 5-Mar-96, to lugnet.robotics.handyboard)
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| | Re: Handyboard comments
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(...) (snip) (...) The beta IC v3.1b2.1 for the Macintosh had a problem where the motor ports came up running. It was fixed in version 3.1b3 and subsequent beta releases. Hope this helps. ****** Comments ****** I would recommend that everyone places (...) (29 years ago, 5-Mar-96, to lugnet.robotics.handyboard)
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| | Re: IR Transmitter Boards
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Dear all, People should be aware that there have been numerous complaints in the past regarding Mark's company and its service. I have declined Mark's request to be listed as a "authorized" vendor on the Handy Board web page. Based on my knowledge, (...) (29 years ago, 5-Mar-96, to lugnet.robotics.handyboard)
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| | 7.2 volt battery
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I was wondering if using a 7.2 volt battery instead of the recommended 9.6 volt battery would require and HB modifications? A 7.2 volt pack rated at 1200 ma.hours can be bought for the same price as a 9.6 volt pack rated at 600 ma.hours. Shouldn't (...) (29 years ago, 5-Mar-96, to lugnet.robotics.handyboard)
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