 | | Pic and 68hc11board
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Did anyone before used PIC with "a" 68hc11 board, to realize a driver or a peripheral device ? Maybe the handyboard does not need it, but other boards like mine...a little different. Thanks for any suggestsions. (26 years ago, 17-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Sonar and RF Modem questions
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(...) I am using the expander board, and no, I don't have any extra caps. (...) It looks like a PVC coupler, maybe cut in half. Could be an end cap, but then there would have to be foam inside to prevent ringing. These can be purchased at many (...) (26 years ago, 17-Feb-99, to lugnet.robotics.handyboard)
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| | HB to control a TV set and VCR
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Hi everyone! I'd like to control a TV set and VCR with my HB, because I want it to wake me up e.g. with "The Simpsons". So I need some source code to transmit code via the built in IR cirquit. I need to transmit "TV: switch on", "VCR: switch on" and (...) (26 years ago, 17-Feb-99, to lugnet.robotics.handyboard)
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| | Sonar and RF Modem questions
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HB fans, A few questions for ya ... I just received my polaroid 6500 sonar module from wirz. Cool little gadget. I have the HB expansion board from gleason. Installation looks pretty straightforward with the expansion board, since the pins on the (...) (26 years ago, 17-Feb-99, to lugnet.robotics.handyboard)
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| | RE: gleason research experiences?
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I bought my HB via email and had it at my door in three days. Its likely they got Valentines Day and Presidents Day off. I wish I did. . . shan (...) (26 years ago, 17-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Sonar and RF Modem questions
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(...) Maybe a vender could get an eval kit, work through the interfacing issues and kit it for us to buy! That would probably stay within Lynx' licensing agreement and still provide a cost effective solution. Mike (26 years ago, 17-Feb-99, to lugnet.robotics.handyboard)
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| | Re: RF VIDEO?
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(...) I seem to recall seeing serveral kits that weren't too expensive, both online and at the neighborhood electronics parts store. This would commonly be used to transmit video from a single VCR or cable box to any TV in your house. Mike (26 years ago, 17-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Sonar and RF Modem questions
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I've been looking into this also. I purchased the Parallax RF module, which is very simple to use. However, it seems to provide a transparent RS232 interface, more is needed than this, or at least some data buffering. Linx technologies provides a (...) (26 years ago, 17-Feb-99, to lugnet.robotics.handyboard)
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| | Easy communication between HBs
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After struggling with it for many hours I found an alternative to Randy's serialio.c serial communication which I couldn't get working. So I used the Pa7_9600 Baud Serial output from unknown origin (Fred?) ((URL) ial.html). I cut a standard RJ11 (...) (26 years ago, 17-Feb-99, to lugnet.robotics.handyboard)
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| | Re: gleason research experiences?
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Dear Mr. Puchol, Your order was shipped today via UPS Red, and you should have it tomorrow morning. Please be aware that our policy (as stated on our web site) is to ship orders the business day after they are received. Thank you, Wanda Gleason (...) (26 years ago, 17-Feb-99, to lugnet.robotics.handyboard)
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| | Re: gleason research experiences?
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[Carlos Puchol] spake unto the ether: (...) We bought about 25 Handy Boards from Gleason Research almost 2 years ago. One of them had a mis-seated MAX232 (or whatever it is) chip on the serial board, so that was the only one that didn't work (...) (26 years ago, 16-Feb-99, to lugnet.robotics.handyboard)
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| | Re: S19 disassembler
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Thanks, but their s19 converter takes an s19 file as input an outputs a memory image. What I'm searching for takes the s19 file input and outputs an AS11 source file. - - - Nick - - - (...) (26 years ago, 16-Feb-99, to lugnet.robotics.handyboard)
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| | How to view using GCPREVUE
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hi, i have downloaded GCPREVUE. I have also included the filea in the lists. But i don't know how to then view the layout. pls help. cheers, parag (26 years ago, 16-Feb-99, to lugnet.robotics.handyboard)
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| | Re: gleason research experiences?
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Gleason Research gets my highest recommendation ... a great product and efficient service. But, I didn't know that they sold the miniboard ... just the HandyBoard and its expansion board. - - - Nick - - - (...) (26 years ago, 16-Feb-99, to lugnet.robotics.handyboard)
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| | Re: gleason research experiences?
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I too have found Gleason Research to be very good. We burned out an LCD screen and they replaced it for me for free. On my shipment I requested by e-mail the UPS tracking number and they responsed with a day. They don't alwys answer their phone in (...) (26 years ago, 16-Feb-99, to lugnet.robotics.handyboard)
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| | Re: S19 disassembler
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If you are looking for a *.s19 disassembler you could try the following site: (URL) (it's called a' s19 convertor') G'Luck, Ranjit (...) -- Ranjit Diol - COMPSys Dowagiac,Michigan e-mail: rsdiol@mich.com website: (URL) (26 years ago, 16-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Robot base
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If you're looking for a reasonably large robot base, you might want to check out "Toys 'R' Us"; there's a battery powered kid's vehicle called the "Wild Thing" at our local store for $149. It's basically about a 3 foot diameter cylinder about 1 foot (...) (26 years ago, 16-Feb-99, to lugnet.robotics.handyboard)
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| | RE: gleason research experiences?
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I've bought a bunch of Handyboards and expansion boards from Gleason and have had great service and an excellent product. Barry -----Original Message----- From: Carlos Puchol [mailto:cpg@rocketmail.com] Sent: Tuesday, February 16, 1999 3:50 PM To: (...) (26 years ago, 16-Feb-99, to lugnet.robotics.handyboard)
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| | gleason research experiences?
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hi i was wondering if anyone has experience ordering miniboards from gleason research. i find it odd that they do not reply to email or phone or messages for an urgent order. did we make a mistake ordering from them? any recommendations? (26 years ago, 16-Feb-99, to lugnet.robotics.handyboard)
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| | Serial Communication between HBs HELP!!! (Again)
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Hi, I am trying to get communication working between two HBs via the RJ11 serial port. I read the FAQ on the HB web site and I have the right cable. On the trans. HB the power LED blinks which indicates it is transmitting. Also whenever I turn on (...) (26 years ago, 16-Feb-99, to lugnet.robotics.handyboard)
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| | S19 disassembler
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Will someone please point me to an S19 disassember TIA, - - - Nick - - - (26 years ago, 16-Feb-99, to lugnet.robotics.handyboard)
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| | Re: shaft encoders for a track drive
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Steve Wall wrote: <snip> (...) I've had good results using Hall effect magnetic sensors. I found some 0.1" dia. disk magnets at the hobby shop and embedded them into the holes in some Lego Technic pulley wheels. It's true that only about three (...) (26 years ago, 16-Feb-99, to lugnet.robotics.handyboard)
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| | Re: sensors
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Hello everyone. =) I'm currently doing research on sensors for a robot my team is building. are there such things as color sensors? any other sensor recommendations would be appreciated =) chen (26 years ago, 16-Feb-99, to lugnet.robotics.handyboard)
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| | unsubscribe
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I would like to unsubscribe the mailing list Thank you (26 years ago, 16-Feb-99, to lugnet.robotics.handyboard)
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| | Motors start when reset
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Every time I reset the board, the motor port LEDs light up, if a motor is connected to the motor ports, the motors turn on. This happens until the reset is complete and I hear the beep sound. Is there a way to prevent this? Regards, ...Ameen Suleman (26 years ago, 16-Feb-99, to lugnet.robotics.handyboard)
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| | Re: shaft encoders for a track drive
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(...) Depending on how your tracks are constructed, if they have holes or slots that light can pass through you can use the tread directly in place of the encoder wheels. Get some detailed information on how optical encoders work, understand it and (...) (26 years ago, 16-Feb-99, to lugnet.robotics.handyboard)
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| | GREEN MASKING
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Dear Mr Fred Martin, Green masking files are available in Gerber format (pardon me if the spelling is wrong). We do not know how to open these files. Can you send us detailed instructions on how to open these files. Yours sincerely, Nitin (26 years ago, 16-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Stepper Motor
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Keith, I've succesfully connected two steppermotors from old diskdrives to the HB, one 1.8 degrees and one even 0.9 degrees/step. I found all the info I needed on the internet, and especially www.cctc.demon.co.uk...tepper.htm contains some useful (...) (26 years ago, 15-Feb-99, to lugnet.robotics.handyboard)
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| | re: stepper motors
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I have worked with two kinds of stepper motors with the handy board. One pair was purchased from LMDC. These are Astrosyn miniangles stepper motors. These were big heavy duty stepper motors. The other pair was from old 5 1/4 inch floppy drives from (...) (26 years ago, 15-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Kent Farnsworth's MS-DOS port of pcode
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Thank you ... this is the link that I couldn't find. ftp://cherupakha.med...-c/ms-dos/ - - - Nick - - - (26 years ago, 15-Feb-99, to lugnet.robotics.handyboard)
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| | Re: shaft encoders for a track drive
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OK, now I too have my handy board, it's italian, not just the same, but has a 68hc11, and all those other thinks that make it just quite the original one similar to this. It will be interesting to see if we will can have, a day or another, a new (...) (26 years ago, 15-Feb-99, to lugnet.robotics.handyboard)
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| | Kent Farnsworth's MS-DOS port of pcode
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Please help ... I've misplaced the link to download Kent Farnsworth's pcode source for use under DOS. TIA - - - Nick - - - (26 years ago, 15-Feb-99, to lugnet.robotics.handyboard)
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| | Re: shaft encoders for a track drive
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Hi. We built encoders for a skid steered wheeled robot. There is a picture of it at: (URL) used an IR Led and reciever pair, and a white disk with 24 radial black lines, and had pretty good luck with the encoder, but bad luck with the info gathered. (...) (26 years ago, 15-Feb-99, to lugnet.robotics.handyboard)
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| | shaft encoders for a track drive
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Has anybody out there constructed shaft encoders for a track driven MOBOT. If any body has I would appreciate any help you could give me. I wasn't going to use shaft encoders but I guess they are needed for many things correct? Is there anyway to (...) (26 years ago, 15-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Expansion board & V2X & sonar
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re: exp bd SPI pins: * 2 of the pins are used by the sonar and aren't separately available. * the other 2 SPI pins are at PCB holes J20 and J21. see the schem for details: (URL) you need all 4 spi pins for something, leave out the j11 sonar (...) (26 years ago, 15-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Expansion board & V2X & sonar
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(...) I am the guy who wrote the V2X code that is on the HB web site. I just got an expansion board, and am looking into v2X and sonar on the exp board right now. (...) I cannot find where there are pins for the SPI port on the expansion board. Yup, (...) (26 years ago, 15-Feb-99, to lugnet.robotics.handyboard)
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| | Re: GREEN MASKING
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you need a gerber viewer program, e.g., GC-PREVUE from (URL) your message you said: (...) (26 years ago, 15-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Expansion board & V2X & sonar
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Hi Fred et al. I am doing a project with a six legged robot in which I would like to use the Polaroid 6500 sonar and the V2X compass AT THE SAME TIME. Since the SPI port D is tied up by the compass, I was wondering if directly connecting the digital (...) (26 years ago, 15-Feb-99, to lugnet.robotics.handyboard)
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| | Expansion board test routine
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Hello all, Well here it is, for what it's worth. The functions are pretty obvious, it works just like the original hbtest.c that Fred wrote. To try servos other than #5, you'll have to edit the line: servo5=(16*knob()); In the test_servo() routine. (...) (26 years ago, 15-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Expansion board questions
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(...) Terry, I will send you the code. I sent it to Fred for the website but haven't heard back. I'm reluctant to post it to the list, but I will mail it to anyone who asks... Best, Duncan (26 years ago, 15-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Expansion board questions
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Hi Duncan, I would like to have a copy of your hbtest.c to test the expansion board. If you could post it I bet a lot of us would use it to test. Thanks in advance Terry G. ---...--- (...) doesn't (...) which (...) the (...) the (...) height (...) I (...) (26 years ago, 15-Feb-99, to lugnet.robotics.handyboard)
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| | Serial Communication Please Help!
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Hi, I am trying to get communication working between two HBs via the RJ11 serial port. I read the FAQ on the HB web site and I have the right cable. On the trans. HB the power LED blinks which indicates it is transmitting. Also whenever I turn on (...) (26 years ago, 14-Feb-99, to lugnet.robotics.handyboard)
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| | I2C bus with the Handy board ?
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Hi! It is possible to use component with I2C bus on the Handy board ? Do you know this ? some examples : PCF8584, PCD8574, PCF8591...... I'd like to use many component with this bus. Can you help me (if it is possible) ? thanks Dperonne@aol.com (26 years ago, 14-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Stepper Motor
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(...) You can get some from old printers or scanners but I think they are rated for 24V (...) For Eurobot 97 ,some robots were using stepper motors. On Internet, there was also a guy who explained how to build a robot from a floppy drive. As far as (...) (26 years ago, 14-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Stepper Motor
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I am also trying to use steppers motors from an old floppy, if anyone has accompished this I am interested in your result and methods Keith (...) (26 years ago, 14-Feb-99, to lugnet.robotics.handyboard)
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| | Stepper Motor
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Hi, I have a question. Can i use stepper motors to drive my robot platform ? Do i need a gear ? I'd like to use stepper motors instead of normal ones, because I would not need any shaft encoders. And I think stepper motors do not cause so much noise (...) (26 years ago, 14-Feb-99, to lugnet.robotics.handyboard)
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| | IR Emmiter and Detector for RW Pro
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Hi All, IR emitters and detector used on Rug Warrior Pro are LTE-4206 and IS01U60 respectively. Can any body help me out, from where I can get their data sheets? Are these still available with any stockiest if not what are the best alternates? (...) (26 years ago, 14-Feb-99, to lugnet.robotics.handyboard)
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| | serial_getchar(int c) what's int c for?!
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in serialio.c from Randy what is int c for when you're recieving characters from the serial line? Can you just transmitt 8-bit intergers over the serial line or can you transmit bigger numbers? -Peter (26 years ago, 14-Feb-99, to lugnet.robotics.handyboard)
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| | Re: HB and V8600 module??
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Here's a link: (URL) - - Nick - - - (...) (26 years ago, 14-Feb-99, to lugnet.robotics.handyboard)
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| | Re: ***sharp GP1U5 IR detector***
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Mike - - Here is the Sharp data sheet page: (URL) fun! - - - Nick - - - (...) (26 years ago, 14-Feb-99, to lugnet.robotics.handyboard)
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| | HB and V8600 module??
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I'm having trouble interfacing theRC Systems' V8600 text-to-speech module via its TTL serial connections and the HB w/exp brd using just one output pin and signal ground to send text to the V8600 (at 9600 or 2400 baud). I modified the Fred's (...) (26 years ago, 13-Feb-99, to lugnet.robotics.handyboard)
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| | Re: parts
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You could try (URL) or (URL) for reasonably priced LCD's and an assortment of other parts. I'm sure that there is a host of other places too. (...) -- Ranjit Diol - COMPSys Dowagiac,Michigan e-mail: rsdiol@mich.com website: (URL) (26 years ago, 13-Feb-99, to lugnet.robotics.handyboard)
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| | ***sharp GP1U5 IR detector***
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Anyone know if there is a difference between these #s found on two different detectors? gp1u5 81x and gp1u5 2x? I dont think there is any difference but?... Also, How could these be wired to individually to say, light an led that would be a (...) (26 years ago, 13-Feb-99, to lugnet.robotics.handyboard)
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| | parts
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Hi, could someone please direct me to the right place to find the Hitachi LCD as well as the Dallas Semiconductors voltage monitor and the infrared demodulator. Marshall has the LCD for 15 dollars and the IR demod. for just over 3, are these good (...) (26 years ago, 13-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Expansion board questions
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(...) Hi Clancy, Sounds like your HB has a full height crystal. I think a half height one is in the specs, if you're worried about it switch it with a shorter version. You could also use a ceramic resonator, they're shorter than the crystal. (...) I (...) (26 years ago, 13-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Robot base
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This is why "economy" robot base builders go broke. I'm not picking on Phil here, I'm using his message to make a point that a lot of people miss ... Phil here built a base with one of a kind (aka surplus) parts, didn't charge for his own labor and (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | Expansion board questions
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I just finished my expansion board kit, it went together quite nicely (thanks to everyone who gave me advice on its construction) but it doesn't seat all the way down on the Handy Board because it hits the crystal which protrudes above the the other (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | Apologies about battery charger!!!
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Sorry, I totally missed the question in the FAQ about this....Don't ask me how. I'll try these steps first then return here if I have problems. James (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | Battery Charger
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Hello everyone, I have just recently received the Handyboard, and everything seems to be working fine with the power adapter. However, I am slightly confused by the charging mechanism for the board. When I connect the 8 AA Nickel-Cadmium batteries (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | ANN: fire-fighting robot contest at Penn State (3-27)
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Hi All, On Saturday, March 27, 1999, Penn State Abington College, Abington, PA (Phila., PA (USA) region) will host a Fire-Fighting Robot Contest based on the rules of the International Fire-Fighting Robot Contest held annually at Trinity College. (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Robot base
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I built a base for $50, including tools. It was made out of L-channel metal girder. It had 2 drive motors, bought surplus, from those kid-cars ($12 apiece). There's a caster as the third wheel ($4), and I have a 12v 4a battery ($10) plus metal ($10) (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Robot base
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Don't do it. Unfortunately the volumes of robot building do not support building and selling robot bases, the base price for a "good" robot base ends up being about $500 list. The reasons are manyfold, but I'll enumerate some of them here so that (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | Handy Board in Popular Science
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The Handy Board is part of a robot design in Popular Science magazine. Someone designed a worm-like robot using the handy board. It is the march 1999 issue. -Peter ---...--- Peter Eacmen Boston Latin School babylongod@usa.net knowledge is power (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Robot base
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Hi er...um...whoever you are, Here's my profile and feedback: Me: 30's database programmer with a little electronics kit construction experience. Interests: Learning Robotics Hardware, Software and Theories Goals: To first experiment and learn a (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | NVRAM for the HB
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Hello all, A while ago someone was looking for NVRAM for the HB. I wanted to tell everyone about a new Simtek NVRAM chip I found that isn't battery backed SRAM like the Dallas chips. It contains an EEPROM 'shadow' of the SRAM and transfers the (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Motor Driver Chips
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try here: (URL) - - - Nick - - - (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Motor Driver Chips
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www.acroname.com do them... tone (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | Motor Driver Chips
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Greetings all! I was wondering if anyone out here knows of a place that carries the TI SN754410 motor driver chips so that I can upgrade the Handy Boards motor drivers to handle more current. Thank you. -- "Only two things are infinite, the universe (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Robot base
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I bought a "Rising Bird Turbo 7" radio controlled car, ripped out the receiver electronics, hooked up 12 rectifier diodes to the motor and a 1W, 10 ohm resistor to the steering electromagnet and bolted a piece of very light wood to the chassis and (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | Re: IR remote problem
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(...) I have seen this occasionally. As long as it's consistent for each key, I think the best bet is to just assume the data size is the larger of the two with trailing 0's for the shorter one. I can't promise this works though, as I've only had a (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | [Fwd: Scotchflex]
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(...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | RE: Robot base
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I personally like building my own bases. I don't know about anyone else but I find it more of an achievement if I build everything that went into my robot. -Peter (...) group for quite a while now and I did notice that there seems to be a lack of (...) (26 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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| | re: RE
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hi all, my take on the email format issue is that nearly everything should be handled on the client side. in other words, write your filters to deal with the "re's"; figure out that mail is from the handy board list by searching for (...) (26 years ago, 11-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Large circuit construction - How?
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I was going to suggest Scotchflex, but I've always gotten it from a university stockroom. I haven't been able to find it in any of the catalogs I have. Does anyone know any suppliers, besides going to 3M directly? -Scott (...) (26 years ago, 11-Feb-99, to lugnet.robotics.handyboard)
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| | Robot base
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Hi I have been following this mailing list and the comp.robotics.misc news group for quite a while now and I did notice that there seems to be a lack of good quality and reasonably priced robot bases. All the ones I saw where way overpriced or way (...) (26 years ago, 11-Feb-99, to lugnet.robotics.handyboard)
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| | is there a place where I can find programs for handyboard?
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Hi, I want to know where I can find programs written to make a wandering robot with the HB, also any other programs to do other things related to robotics. Thanks -Mike (26 years ago, 11-Feb-99, to lugnet.robotics.handyboard)
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| | IR remote problem
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I picked up a surplus remote control at Halted Specialties ((URL) and am trying to use Max Davies' IRINT.ICB, IR.C and TEST.C, and I'm not having any luck. I'm seeing two main problems. 1) Some keys give 35 bits of data, and some give 38 bits. 2) (...) (26 years ago, 11-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Subject headers
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(...) On the contrary, I have numerous email come in and, therefore, cannot take the time to read the all. This helps me to quickly determine if it is a new subject to address or not. Scott Sherman IT Spec. II ACS SCSU (26 years ago, 11-Feb-99, to lugnet.robotics.handyboard)
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| | RE: Expansion board assembly tips?
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Before you do anything else, I would suggest cut to length the male headers which interconnect with the HandyBoard, and plug them into the appropriate sockets on the HB. Note that the mating pins are too long to insert fully into the sockets. This (...) (26 years ago, 11-Feb-99, to lugnet.robotics.handyboard)
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| | Need Help - 68HC11E1/68HC24 and 32K external RAM
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I have a HB w/exp brd and have just acquired a TCOMP PortMaster board (by Ray's Tiny Racers) which I would like to use on a 'robot dispatch base station'. Other than two PWM motor ports it has no other accessories ( ei beeper, IR detect etc.). It (...) (26 years ago, 11-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Disaster :-(
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it's extremely unlikely that removing a battery will have done any harm. which program precisely are you using to download the pcode? you should be using HBDL.EXE or DL.EXE or DLM.EXE. you should be trying to download PCODE_HB.S19. also, make sure (...) (26 years ago, 11-Feb-99, to lugnet.robotics.handyboard)
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| | Thanks
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Thanks for the info, it helps allot!!!. Clancy (26 years ago, 11-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Subject headers
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(...) Most email packages automatically insert this and it is quite alot of trouble to disable this for just one list. I usually look at the subject line and remove multiple "RE:" manually and some email packages do this automatically, too. I (...) (26 years ago, 11-Feb-99, to lugnet.robotics.handyboard)
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| | Disaster :-(
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Hi all, Help, I suspect that my handy board is dead..:-( I had it running at work and my boss pulled a battery out of the pack while a program was running. I now have the black squares across the top row indicating that there is no pcode or program (...) (26 years ago, 11-Feb-99, to lugnet.robotics.handyboard)
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| | Subject headers
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The "RE" in the subjuec headers is redundant. Also it confuses some of the e-mail filters. Please leave out the "RE". Thanks Ed Spike 73,33 -- (26 years ago, 11-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Expansion board assembly tips?
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there are bldg tips at (URL) your message you said: (...) (26 years ago, 11-Feb-99, to lugnet.robotics.handyboard)
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| | Large circuit construction - How?
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Hi All What is a good method to build circuits with say 5-10 ICs or more (say 14 to 20 pins on each IC) and assoicated discretes? I have been able to construct on Rat Shack et al copper proto boards circuits with 1 or 2 ICs and point to point wiring (...) (26 years ago, 11-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Expansion board assembly tips?
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Hello All, My expansion board went together well considering I have little experience building kits. Try to get the header pins straight before sodering all the pins. Terry G. ---...--- (...) wondering (...) at (...) (26 years ago, 11-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Stack Overflow
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Hi everyone: Sorry for the reply latency, I was buried under an avalanche of work and assignments. Changing the format of the code (as detailed below) helped immensely. I re-wrote two of my drivers to use the increased size, and everything is (...) (26 years ago, 11-Feb-99, to lugnet.robotics.handyboard)
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| | HELP
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I am just wondering if anyone has had an experience with New Micro's NMIX - 0020 board before? I am having problem downloading my program. Regards, Felix (26 years ago, 11-Feb-99, to lugnet.robotics.handyboard)
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| | Re: MC 68HC711 E9CFN2 - please help me as soon as possible!!!!
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(...) The EPROM is probably disables with a setting in the config register. If folks are looking for cheap 68HC11A1FN's, I was able to get 'em for about $5 each, and they came with a bunch of other electronics, and 2 motors. Turns out Connor disk (...) (26 years ago, 10-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Purchase a handyboard? where???
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(...) I recommend saving up your milk money and buying a pre-assembled, tested HandyBoard. Sure, it costs a little more, but for me (electronics moron that I am) it was worth it. I bought mine from Patrick Hui at the Robot Store in Hong Kong. I can (...) (26 years ago, 10-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Polaroid Sonar Questions
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(...) <snip> (...) I found that returning the median (middle value) of three successive readings filters out the noisy readings quite well--especially the occasional large error. Just a couple nested if-then statements are needed. (...) Sure, that (...) (26 years ago, 10-Feb-99, to lugnet.robotics.handyboard)
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| | Expansion board assembly tips?
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I just got a expansion board kit from Douglas Electronics and was wondering if anyone has any tips for assembling the board, I'm quite experienced at building kits but I thought maybe someone who had built the kit already might offer some advice, (...) (26 years ago, 10-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Stupid multiple sonars...
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(...) It is correct that you can use the remaining SPI pins as digital outs to trigger a second sonar. I've done it and it works fine. It's also true that there *is* signal contention on the echo lines if you simply plug 'em both into the same TIC (...) (26 years ago, 10-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Beginner's questions...
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(...) You'll need slotted disks mounted on the axles positioned between the emitter and the detector. I recommend using ones from a dead computer mouse. (...) You ought to check for wiring problems and excessive friction in the gears and axles. That (...) (26 years ago, 10-Feb-99, to lugnet.robotics.handyboard)
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| | RE:Handyboard project
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Hi James, I purchased an assembled and tested H Board from Patrick Hui for about $200, as well as the registered version of IC. Also got his sensor kit ($15). Expansion Board was purchased from Gleason for $59. Also bought the sensor/motor kit from (...) (26 years ago, 10-Feb-99, to lugnet.robotics.handyboard)
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| | Re:Re: Beginners questions
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I got the gear sets from HVW Technologies in Canada. (URL) gear sets were pretty cheap when you take into account the exchange rate - about $20 for two. They come with motors but youll have to swap them with something else because the motors are (...) (26 years ago, 10-Feb-99, to lugnet.robotics.handyboard)
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| | etching a handyboard
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What is the best way to manually etch the handy board, i've etched it by passing the circuit layout through the printer 3 times then ironing it on to the copper board. This works well but some traces bleed together. I have access to a PCB repair (...) (26 years ago, 10-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Canadian Boarder
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Digikey has a Canadian division also, its based out Ontario. I just recieved a list and they mostly everything on the list that has digikey beside it but nothing else. The total cost for these parts is $60 + or - $5. I hope this helps, where are you (...) (26 years ago, 10-Feb-99, to lugnet.robotics.handyboard)
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