 | | Re: Vector 2X driver
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I just bought a Vector 2X electronic compass for a project. In looking at it the manual, I see that if the 2X is run in slave mode I can clock out data from it at my leisure using any digital pins available on the Handy Board. This could almost be (...) (25 years ago, 15-Mar-00, to lugnet.robotics.handyboard)
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| | Re: Overcharged battery?
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no i disagree with this answer. the HB is designed to be left on normal charge indefinitely. the batts can get a little warm. if they are hot then something is wrong, but a little warm is nothing to worry about. when fully charged and with no load (...) (25 years ago, 15-Mar-00, to lugnet.robotics.handyboard)
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| | Re: Non-polaroid Sonar
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In the sonar code from the web site, the rising edge detection on timer input channel 3 (TIC3) is set like this: bit_clear( 0x1021, 2 ); bit_set( 0x1021, 1 ); According to the little pink book, address 0x1021 is the Timer Control Register 2 (TCTL2) (...) (25 years ago, 15-Mar-00, to lugnet.robotics.handyboard)
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| | Re: Overcharged battery?
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(...) Ouch. You don't want to do that too much or you will torch (may have torched) your NiCds. NiCds do NOT like to be overcharged, it causes a problem called Voltage depression that many mistakenly call "memory effect". [snip] (...) Servos will (...) (25 years ago, 15-Mar-00, to lugnet.robotics.handyboard)
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| | Re: Overcharged battery?
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actually this is to be expected. with no load, the diodes produce no drop. if you're worried, try hooking a DC motor (or other real load -- light bulb, 10 ohm resistor, etc). across the servo motor supply and then measure the voltage. you should see (...) (25 years ago, 15-Mar-00, to lugnet.robotics.handyboard)
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| | 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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| | Sonar Assembly
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We're looking into buying a sonar ranging module from Acroname for use in our lab. Does anyone reccomend a particular offering of theirs? If we buy this unit: (URL) we will have to do to connect it to the HandyBoard are the wiring steps laid out on (...) (25 years ago, 10-Mar-00, to lugnet.robotics.handyboard)
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| | Re: HandyBoard Assembly
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Eric, The pcode does load, or otherwise the beeper would not beep with the board reset. But you cannot communicate with your PC, which seems to be a very common problem with the newer and faster PC's. If you are using the freeware version of IC, try (...) (25 years ago, 9-Mar-00, to lugnet.robotics.handyboard)
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| | Re: GP2D02/GP2D12 w/o expansion board
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When using the GP2D02, you are using port A, pin 5 and port A, pin 0. That's where the PA0 and PA5 terminology comes from. I wrote that particular piece on the Acroname website, so I apologize for not being more clear. And yes, it is necessary to (...) (25 years ago, 9-Mar-00, to lugnet.robotics.handyboard)
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| | Re: sound generators
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Of course, the Handy Board has a piezo speaker built in. With the beeper and tone functions provided by IC, you can make all sorts of sound effects. You can make your robot sound like R2-D2 if you like. Also, Radio Shack sells piezo speakers. -- (...) (25 years ago, 9-Mar-00, to lugnet.robotics.handyboard)
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| | RE: sound generators
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The Handyboard has one on it. Therfore, if you look in the manual's part's list, it should list where it's from. (...) This message is for the named person's use only. It may contain confidential, proprietary or legally privileged information. No (...) (25 years ago, 9-Mar-00, to lugnet.robotics.handyboard)
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| | Re: HandyBoard Assembly
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it seems like the HB is not able to talk back to your PC. make sure the TxD signal starting from the 'hc11 is leaving the HB properly at the RJ11, reaching the interface bd, and then being cvt'ed to -10v to +10v levels out the interface bd on its (...) (25 years ago, 9-Mar-00, to lugnet.robotics.handyboard)
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| | Re: GP2D02/GP2D12 w/o expansion board
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(...) Why does it make the ports useless for other sensors? If you need a pullup-resistor, you can still solder a 47k resistor directly to your sensor-connector between Vcc and Sensor in. Thus in my opinion the HB can be used more flexible without (...) (25 years ago, 9-Mar-00, to lugnet.robotics.handyboard)
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| | HandyBoard Assembly
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I recently finished collecting all the parts for the handyboard and started assembly. I went all the way through the i/c board setup without a hitch. But when I got to assembling the serial comm circuit a few things went wrong. I assembled the (...) (25 years ago, 9-Mar-00, to lugnet.robotics.handyboard)
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| | Re: light sensors
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(...) among the easiest of all light sensors to interface to the Handy Board and the interface itself is pretty much straightforward. All it is a a variable I've tried a pack I picked up at Radio Shack and they worked easy enough. However, the ones (...) (25 years ago, 9-Mar-00, to lugnet.robotics.handyboard)
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| | sound generators
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hi, Does anyone have a good idea about sound generating source. We are thinking of using Piezo transducers but don't know where to get them. This is for our product design course where we are designing a singnal indicator for an antenna. We would (...) (25 years ago, 9-Mar-00, to lugnet.robotics.handyboard)
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| | transponder ?
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Anyone knows where to buy a V-SCOPE transponder for accurate positioning of HB robot or atleast where to get its datasheet so that I can find whether it can be supported by the HB. thanx, Sunil. (25 years ago, 9-Mar-00, to lugnet.robotics.handyboard)
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| | RE: light sensors
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Hope this will help. Have you consider using Cds(Cadmium Sulfide) cells from Radio Shack? They are among the easiest of all light sensors to interface to the Handy Board and the interface itself is pretty much straightforward. All it is a a variable (...) (25 years ago, 9-Mar-00, to lugnet.robotics.handyboard)
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| | GP2D02/GP2D12 w/o expansion board
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From (URL) : "This example assumes that port PA5 on the Handy Board was connected to the input of the GP2D02 detector and that port PA0 on the Handy Board was connected to the output of the GP2D02 detector." What do PA0 and PA5 refer to? And when (...) (25 years ago, 8-Mar-00, to lugnet.robotics.handyboard)
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| | Can I use this light sensor?
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I don't know a lot of electronics, but have been tasked with figuring out which electronic components to purchase for a class which is going to use HandyBoards. I've been thinking of purchasing many of one particular infrared detector and using it (...) (25 years ago, 8-Mar-00, to lugnet.robotics.handyboard)
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| | Re: Can I interface the Handy board to a PC to run there the robot's brain?
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(...) There are many applications where Interactive C won't work, some involving lack of memory, and some involving speed of execution. I ended up needing to switch compilers for both reasons, but mostly because of the speed. I do a lot of (...) (25 years ago, 8-Mar-00, to lugnet.robotics.handyboard)
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