 | | Overcharged battery?
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I've got a pre-assembled Gleason Research HB with expansion board, and have a couple questions. We've left it plugged in (on normal charge mode) for a week or so. I started to look at the specs to hook up a Futaba servo (6V), and found that with no (...) (25 years ago, 15-Mar-00, to lugnet.robotics.handyboard)
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| | Non-polaroid Sonar
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Greetings all, I've just finished building Kam Leang's sonar circuit as published on his web site, and it all seems to be working well. I am having a problem interfacing it to the handyboard however. I'm not entirely sure how to set bits high and (...) (25 years ago, 15-Mar-00, to lugnet.robotics.handyboard)
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| | Re: Another assembly question
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the fact that the two LEDs come on and then go off suggests that you *are* successfully putting the hc11 into download mode. it also happens that the hc11 TxD pin is in what's called "wired OR mode" during bootstrap. this means that it can only (...) (25 years ago, 14-Mar-00, to lugnet.robotics.handyboard)
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| | Another assembly question
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I'm also at the point of trying to download to my partially assembled board for the first time. I'm able to put the board in to download mode (both led's come on for a short period of time then go off). When I start downloading the green led on the (...) (25 years ago, 14-Mar-00, to lugnet.robotics.handyboard)
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| | Servo Motor
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Hi I need to know how to use the servo motor controller pins on the expansion board to control a servo motor urgently. Can anyone kindly teac me? Thank you very much. KCR OEI (25 years ago, 14-Mar-00, to lugnet.robotics.handyboard)
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| | need help with HB batteries
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Hi all, I have some problems about selecting batteries for HB hope you can help me.. I am building a mobile robot which contained 12 GP1u58x IR, 2 GP2d02 IR, 1 Polaroid Ultrasonic sonar and 2 hacked servos (seperate 6V supply), what kind of (...) (25 years ago, 13-Mar-00, to lugnet.robotics.handyboard)
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| | Re: ICB files
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(...) You can get a MS-DOS / Windows-Version at: (URL) you find a useful Linux-version, please let me know. Dirk ---...--- Dirk Stueker Zietenstr. 36 26131 Oldenburg Germany Department of Computer Science University of Oldenburg Tel. & Fax: +49 / (...) (25 years ago, 13-Mar-00, to lugnet.robotics.handyboard)
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| | ICB files
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Anyone know where I could fine the AS11_IC.bat file? I need to do some assembly subroutines... (25 years ago, 12-Mar-00, to lugnet.robotics.handyboard)
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| | Re:Expansion Board Problems Solved!!!
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Haya Me again, After spending 2 and a half ours of probing, there was a bead of solder about the size of a hair and 3mm long bridgeing one of the multiplexeers pins to a pass through which was very close to it. After snapping the bead off, ureka! (...) (25 years ago, 11-Mar-00, to lugnet.robotics.handyboard)
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| | Expansion board problems
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Hi, Just finished my exp board, checked over all connections twice and looked for shorts, installed it, turned on the board and attempted to download the exp libs. Wellll when I turnned the board on to start downloading the LCD was just squares (...) (25 years ago, 11-Mar-00, to lugnet.robotics.handyboard)
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| | Re: Any interest in spare 6.270 board parts?
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(...) I've had a number of replies to this, so thanks for your interest. If I'm unable to find a home for the parts, I'll post here again. -Tim (25 years ago, 11-Mar-00, to lugnet.robotics.handyboard)
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| | Re: Hexapod servo supply
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I had a very similar problem with my robot. When the servos are under high load (ie holding up your robot) and you try to move them all at once, the current drawn is quite large. I never actually measured how large, but large enough to destroy a 1A (...) (25 years ago, 11-Mar-00, to lugnet.robotics.handyboard)
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| | Re: IR Sony Input?
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(...) The drivers and instructions for the Sony IR capability can be found on the official HB web site. I think it's in the Software Contributed section. -- Will (25 years ago, 11-Mar-00, to lugnet.robotics.handyboard)
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| | Re: Expansion Board problems
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You have a short circuit somewhere. The first thing to check is to make sure you have the capacitors in the right way. Some of them are polarized, and if you put them in backwards, they sometimes short out, and sometimes they blow up. The next thing (...) (25 years ago, 10-Mar-00, to lugnet.robotics.handyboard)
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| | IR Sony Input?
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Handy Board Users, Thank you for your response a couple of weeks ago concerning the Reference Voltage on the Handy Board A/D converter. I ended up scaling the output of my thermistor as you suggested. I do however have another problem. I am (...) (25 years ago, 10-Mar-00, to lugnet.robotics.handyboard)
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| | (canceled)
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| | Expansion Board problems
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Hi, Just finished my exp board, checked over all connections twice and looked for shorts, installed it, turned on the board and attempted to download the exp libs. Wellll when I truned the board on the LCD was just squares across the top, but the (...) (25 years ago, 10-Mar-00, to lugnet.robotics.handyboard)
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| | Hexapod servo supply
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Hi all, I am now building a hexapod robot. There is something wrong on the servos preformances. Actually, my robot weights 1.6kg, and by calculations my servos can support up to 2.5kg with normal operations. But when I connected the 6v dc supply for (...) (25 years ago, 10-Mar-00, to lugnet.robotics.handyboard)
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| | Any interest in spare 6.270 board parts?
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Some years back, I got a set of "hard to find" electronics parts for the 6.270 board (from PK Oberoi, for those who might know who that is). I never got around to building the boards, and I'm doing my robotics stuff with the RCX. So, I thought (...) (25 years ago, 10-Mar-00, to lugnet.robotics.handyboard)
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| | Re: Sonar Assembly
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(...) Yup. Works great. However, you may want to use the attached version of the sonar sampling code in place of the code found on the HB web site. The only real difference is that this version takes three readings in rapid succession and then (...) (25 years ago, 10-Mar-00, to lugnet.robotics.handyboard)
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