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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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