 | | RE: Use of GP2DO2
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The problem could be in the power circuitry. Are the motors powered from a separate supply ? You could try placing some capacitors between the sensor's power connectors. Ronald -----Original Message----- From: Javaid Iqbal (...) (25 years ago, 6-Sep-99, to lugnet.robotics.handyboard)
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| | Use of GP2DO2
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Hi all, I am using two GP2DO2 on Rug Warrior. Sensors are giving me very stable reading when motors are not running, but when motors are running the readings start jumping around. I am running the motors but the robot is static as I have placed it (...) (25 years ago, 6-Sep-99, to lugnet.robotics.handyboard)
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| | Thank you
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Turns out I just needed a common ground between servos and HB Thanx all! :) Alex (25 years ago, 5-Sep-99, to lugnet.robotics.handyboard)
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| | Re: servo problem increased
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Alex, My servos shutters when I first hooked them up but it was because the values were out of range. My servos work well in a range of 700 to 3800. Bye, Terry-----Original Message----- From: Alex Stewart <robotman5@hotmail.com> To: (...) (25 years ago, 5-Sep-99, to lugnet.robotics.handyboard)
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| | Re: Parts List
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I have just helped 12 people build up the handy board with expansion board at a cost of 165 each. But I live in the Heart of Silicon Valley. I was able to get board and all but five components locally. Those were the 68HC11, LCD, 470 cap, inductor (...) (25 years ago, 5-Sep-99, to lugnet.robotics.handyboard)
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| | servo problem increased
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Me again Now when I give servo_a5 or a7_init(1); the other servo shutters and nothing happens , when you unhook the sevo your not trying to drive the one you are kicks up but you can olny get it in varying speeds in one direction. Is it possible (...) (25 years ago, 4-Sep-99, to lugnet.robotics.handyboard)
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| | Re: Parts List
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I should have phrased it better. I am a third year electrical engineering student and am trying to teach a class of twenty High school kids some basic electrical work in an after school project. I wanted them to get the experience of working with (...) (25 years ago, 4-Sep-99, to lugnet.robotics.handyboard)
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| | Servo Problem! ???
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Hi All The talrik bot running of a HB is doing serverly wierd things. I'vew tested these servo's on a old RC Reciver and they work fine , and my handy board can drive other servo s fine(not hacked thoe) Problem is when I give servo_a7_init(1); the (...) (25 years ago, 4-Sep-99, to lugnet.robotics.handyboard)
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| | Re: Parts List
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It would be cheaper to buy it in kit form. If you try to collect the parts it may wind up more expesive due to shipping...depending on how n\many places you gotta go to...and also, availability, hunting the parts down, etc. This method is the worst. (...) (25 years ago, 4-Sep-99, to lugnet.robotics.handyboard)
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| | Parts List
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Do any of you have a more informative parts list? (Or did I miss it on the ftp site?) I am looking at buying the gear to build 25 handyboards for a High school project and need to find out if it would be cheaper to buy/ have the parts donated or (...) (25 years ago, 4-Sep-99, to lugnet.robotics.handyboard)
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| | Re: Linux for the HandyBoard
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Where are you located? I have a bunch of 486 Digitals that I am trying to get rid of. If you are in the boston area you could come by and get a 486 and a 14" monitor for 40 bucks. Or you could go to the MIT flea market and get about the same thing (...) (25 years ago, 3-Sep-99, to lugnet.robotics.handyboard)
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| | RE: SOLDER
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Hi, I tend to use 22 SWG multi core solder for all my soldering jobs, and find it works for me. Russ.. -----Original Message----- From: Paul DaCosta [mailto:germano@voicenet.com] Sent: Friday, September 03, 1999 2:01 PM To: Handyboard Subject: (...) (25 years ago, 3-Sep-99, to lugnet.robotics.handyboard)
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| | RE: Linux for the HandyBoard
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thanks I maily wanted it for building a cheap, viable Linux platform without having to delve into a somewhat-costly PC/104 board or the like... does anyone know of a cheap pc/104 or other small 486-based board available? thanks, --phil Phil: Check (...) (25 years ago, 3-Sep-99, to lugnet.robotics.handyboard)
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| | SOLDER
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WHAT'S THE BEST "SIZE" SOLDER TO USE WHEN SOLDERING A 28 GAUGE WIRE (MOTORS AND SENSORS) TO A MALE PIN! (25 years ago, 3-Sep-99, to lugnet.robotics.handyboard)
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| | Any have a BS11 there willing to part with?
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Hi I know this is'nt a HB ques , but , Does anyone have a BS11 that theyed be willing to part with , or know somewere they can be uptained relitvely CHEAP Thanx -- Alex (25 years ago, 2-Sep-99, to lugnet.robotics.handyboard)
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| | Re: Linux for the HandyBoard
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A 486 Board + 486 + 4Meg of ram + 100 Meg drive + keyboard should cost around $20. Or free if you go dig in the right trash ;^). I don't know where you are but around here (San Francisco Bay area) shops like Weirdstuff ((URL) are selling used (...) (25 years ago, 2-Sep-99, to lugnet.robotics.handyboard)
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| | 2 IN 1
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(...) (25 years ago, 2-Sep-99, to lugnet.robotics.handyboard)
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| | Re: Linux for the HandyBoard
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thanks I maily wanted it for building a cheap, viable Linux platform without having to delve into a somewhat-costly PC/104 board or the like... does anyone know of a cheap pc/104 or other small 486-based board available? thanks, --phil -----Original (...) (25 years ago, 2-Sep-99, to lugnet.robotics.handyboard)
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| | Re: Linux for the HandyBoard
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No there is not. --Chuck (...) (25 years ago, 2-Sep-99, to lugnet.robotics.handyboard)
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| | Re: Linux for the HandyBoard
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Phil <thehahns@netwurx.net> moved upon the face of the 'Net and spake thusly: (...) The HB is not within an order of magnitude of having enough memory, and is lacking other hardware needed for virtual memory. There is a project called ELKS (...) (25 years ago, 2-Sep-99, to lugnet.robotics.handyboard)
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| | Re: Linux for the HandyBoard
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(...) Only way I can figure is to talk to the Linux uC project people at: (URL) they don't have a working version for the 68HC11. The thing about a microcontroller is that it's so different from an intel or alpha- based microprocessor (really any (...) (25 years ago, 2-Sep-99, to lugnet.robotics.handyboard)
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| | COMPLETED ROBOT FOR SALE
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COMPLETED ROBOT NEEDS GOOD HOME: $600.00 or best offer. (Spayed/neutered and has all its shots) I HAVE PHOTOS AVAILABLE VIA E-MAIL (OFF LIST) IF INTERESTED.... Completed, fully assembled robot for sale that incorporates the following components: 1 (...) (25 years ago, 1-Sep-99, to lugnet.robotics.handyboard)
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| | Linux for the HandyBoard
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Friends- Is there any way to get a Linux kernel onto the HB? -phil (25 years ago, 1-Sep-99, to lugnet.robotics.handyboard)
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| | RE: PCB Design tools?
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I searched the net for the best free PCB design software about eight months ago, someone from this list recommended Eagle, it turned out to be the best, very easy to use and quit powerful. It would definitely be worth your time to check it out, the (...) (25 years ago, 1-Sep-99, to lugnet.robotics.handyboard)
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| | Re: "Error Synchronizing with the board" message
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Hi, I had such a problem with another contollerboard. First the download was successful. The a started IC and it runs well. Suddenly the same message ("Error Synchronizing with the board") was displayed on the monitor. My problem was a loose (...) (25 years ago, 31-Aug-99, to lugnet.robotics.handyboard)
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| | Re: EE RF question
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Yes, that is what I'm trying to do. I think that this would eliminate interferance. Though the price is tethered operation. I guess it doesn't really have to be a coax. It can just be an RCA A/V cable right? Or how about a single wire! ---...--- (...) (25 years ago, 4-Aug-99, to lugnet.robotics.handyboard)
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| | Re: Fischer Technik parts
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Yup, I've boughten from Timberdoodle, and I believe their prices are a bit cheaper than most places, and yeah their service is better than most. --phil -----Original Message----- From: Mihalka, Michael <MihalkaM@marshallcenter.org> To: (...) (25 years ago, 4-Aug-99, to lugnet.robotics.handyboard)
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| | Re: EE RF question
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Pherd, It sounds as though he is planning on patching the output of a RF transmitter to the input of a RF receiver. 73's, Jose -----Original Message----- From: FThompson9@aol.com <FThompson9@aol.com> To: handyboard@media.mit.edu (...) (25 years ago, 4-Aug-99, to lugnet.robotics.handyboard)
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| | Re: IR sensors
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To blink LEDs at 40khz, you could try using the 555 timer. Radio Shack carries the 555 timer chip, a little booklet explaining how to use it, and any external components you need. In addition to the 555 chip, you'll just need three resistors and a (...) (25 years ago, 4-Aug-99, to lugnet.robotics.handyboard)
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| | Re: IR sensors
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I've been using the Miniboard to send and receive IR messages among other things. I find that the board is right on the edges of being fast enough to generate the 40KHz carrier and thus, I don't use it that way. Rather, I use the Miniboard to (...) (25 years ago, 3-Aug-99, to lugnet.robotics.handyboard)
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| | Re: EE RF question
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(...) I'm not to clear on what you are describing here. Generally speaking I would say yes, you can slap a piece of coax in without too much loss of function. But you really need to know what type of antenna your feeding, the radio's frequency, the (...) (25 years ago, 3-Aug-99, to lugnet.robotics.handyboard)
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| | RE: Fischer Technik parts
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Different places depending on where you live. If you live in the US, one place where you can buy many sets is www.timberdoodle.com (a home schooling site but extremely nice people). Otherwise try the mailorder parts service at www.knobloch-gmbh.de. (...) (25 years ago, 3-Aug-99, to lugnet.robotics.handyboard)
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| | Re: Fischer Technik parts
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(...) I have several of the sensor and walking robot kits for sale (unopened... brand new.. etc). They are identical to the ones you see at www.RobotStore.com only with a different box design. If you are interested, please contact me and maybe we (...) (25 years ago, 3-Aug-99, to lugnet.robotics.handyboard)
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| | New GCC-HC11 Compiler Patch (Aug 3, 1999)
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Announcing the latest patch to the gcc-2.8.1 compiler to add an HC11 compile target. The latest patches were submitted to me by Dean Huxley. I finished incorporating his fixes and the readme changes this morning at 1am. Changes include Pragma fixes (...) (25 years ago, 3-Aug-99, to lugnet.robotics.handyboard)
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| | Fischer Technik parts
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Where would one purchase Fischer Technik parts? (25 years ago, 3-Aug-99, to lugnet.robotics.handyboard)
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| | IR sensors
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I have both a miniboard and a Handy board. I have recently purchased some Sharp 40mhz IR detectors to use with these boards. I have very little knowledge of electronics and don't know how to flash the IR LED at a rate that the detectors will need. (...) (25 years ago, 3-Aug-99, to lugnet.robotics.handyboard)
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| | EE RF question
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Hi! If you have an RF Transmitter and Reciever with Antennas, can you detach the antennas and just connect a co-ax cable between them? I'm guessing this would reduce the noise and interferance to a minumum. Is this right? ---...--- ericson mar (...) (25 years ago, 3-Aug-99, to lugnet.robotics.handyboard)
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| | Brand New Gleason Research Handyboard For Sale
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I've just bought a new handyboard, and realized that i'm way over my head trying to build a robot. All i've done so far is perform some software tests to ensure the the handy board & the expeansion board work. I've got one brand new Gleason Research (...) (25 years ago, 2-Aug-99, to lugnet.robotics.handyboard)
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| | Vision on HB
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Anyone tried using a CCD camera vision system on the handy board ? If so how did you go about doing it , hardware , software, wise?Sample code would be great:) Thanx, Alex Stewart (25 years ago, 2-Aug-99, to lugnet.robotics.handyboard)
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| | IC code site
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Update: Things have been really slow so far. I've added the two functions that I've gotten off the list to the archive. I'll be entering code fragments from "Mobile Robots" later in the week. If there are other books out there with IC or easily (...) (25 years ago, 2-Aug-99, to lugnet.robotics.handyboard)
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