 | | Re: Type conversion.
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FEDERICO SANTELLO wrote: <snip> (...) Federico - - Try doing it this way: (it's called a "cast") int temp; float dtemp; temp = 5; dtemp = (float)temp*3.5; printf("dtemp=%f\n",dtemp); Enjoy, - - - Nick - - - (28 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Re: color sensors
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I believe that you will find that most photo transistors are sensitive to a very narrow range of frequencies, mostly in the IR range. OTOH a photo resistor is sensitive to a much wider range of frequencies and may be usable with a (colour) filter. (...) (28 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Type conversion.
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Hi to all. I'm not very practice with IC. My answere are , how can i convert a integer number to a floating point number? I want to make a moltiplication between an intger number and a floating. I make this: int temp; float dtemp; dtemp=temp*3.5; (...) (28 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Polaroid Sensors
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I just finished wiring up the HB for dual sonar sensors... A couple of problems... The first and most important is the fact that the values returned look to be completely random and often flipping between positive and negative values... Could this (...) (28 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Re: IR Sensors
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James - - Here's a link to the QRB1114 data sheet: (URL) limited playing has shown two things: one - the sensor is very sensitive to visible light and therefore needs to be used with an auto-calibrate routine. two - you have to be very selective in (...) (28 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Re: IR Sensors
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James - - Here's a link to the QRB1114 data sheet: (URL) limited playing has shown two things: one - the sensor is very sensitive to visible light and therefore needs to be used with an auto-calibrate routine. two - you have to be very selective in (...) (28 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | SPI .vs. I2C and Documentation
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Hi all, I've been looking for some way to connect multiple devices (Handyboards, other 68HC11's, PIC's, custom devices, & PC's). From what I can find, I2C is the Phillips protocol which is well documented and supported. (Docs, Specilaized chips, (...) (28 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | rc cars and HB- simple questions
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Hello. I've seen several discussions abot RC cars here, and I have two questions trying to verify my findings. Has anyone ever dealt with Radio Shack rc cars? I bought the one that can move back and forth on tracks and also sideways on wheels. So (...) (28 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Re: IR Sensors
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James What you see as black and what is black to IR may be different. I did some experiments for a line following race, and found that some black markers actually made the paper reflect IR better than plain white paper. The conclusion of my (...) (28 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Re: color sensors
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I wonder whether there are some phototransistors out there that have peak sensitivity to a small range of the visible spectrum. Preferably to "one color". Can anyone fill in here? ---...--- ericson mar Robotics Consultant mar@cooper.edu (...) (28 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Re: MC68HC11A1FN
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Your message said: (...) Jon, I had the same question a while back and was overwhelmed with the number of handy board enthusiasts who clued me into BG Micro. I checked their website, searched for MC68HC11A1FN and sure enough! --there it is for less (...) (28 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Re: MC68HC11A1FN
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Are you sure about that! I just checked B.G. Micro today and they have it in stock Part# ICS68HC11A1 $6.95 ea. Try again go to shop online and enter 68HC11A1FN in the search field. -----Original Message----- From: Jon Ryan Schuck (...) (28 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Re: MC68HC11A1FN
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BG Micro DOES sell it, I just checked with them last week, and plan on purchasing a couple myself this coming week. They sell it for less than 7 dollars a piece! Good luck. -- /---...---\ Eric Smiley Duke University Delta Kappa Epsilon House 1C1 rm. (...) (28 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Re: color sensors
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(...) What about putting different color filters in front of a photo transister, like you would on a camera. You could then enhance certain colors by filtering out the others. You may have to deal with some reduction in sensitivity but it may be (...) (28 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | IR Sensors
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Hi everyone, I've hooked up the QRB1114 infrared sensors to the analog input ports. Although they appear to be operating, their values make little sense. Whether a black or white object is placed in front of the sensor, the Handyboard reads in a low (...) (28 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Servos and solenoids
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I won't attempt to power your servos with 9v. Those servos are designed to work off a 4.8v battery pack, you'll most likely smoke'm. Wayne -----Original Message----- From: J.W. Pennington <jwp@awod.com> To: handyboard@media.mit.edu (...) (28 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Servos and solenoids
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First, The Handyboard's motor output is 9 volts, does anyone know if Futaba's small servos handle this well? I have two S3003 servos that I'd like to use. Second, Has anyone run a solenoid from a motor output? I'm assuming that it would do fine, PWM (...) (28 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | MC68HC11A1FN
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Does anyone know a good place to purchase the MC68HC11A1FN chip? I haven't found a single place. Motorola doesn't seem to sell them... neither does BG MICRO. Jon (28 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Re: IR Sensors
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(...) Many optically black materials do not at all affect the IR range of the spectrum. It is possible that your black object is not black (read "absorbant") to IR and simply reflects it just like the white. Try several different materials. Many may (...) (28 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Re: parallel port access
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has anyone tried to access the parallel port with visual basic? chen (28 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Re: RF VIDEO?
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I recall seeing a Video transmitter "Video sender" at Biway a while back actually i own one. It transmittes on the UHF and the picture quality is quite good. It's the size a colts package just twice the height, and only $20 Canadian. It has a audio (...) (28 years ago, 18-Feb-99, to lugnet.robotics.handyboard)
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| | Expansion board
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I´ve some troubles with my expansion board kit. All work fine but: 1. when the motor 0 is set to go back (for example: motor(0,-50)) signal is too low (-0,1 v) red led no lite. 2. I´ve connected a polaroid range module and run sonar.c functions. The (...) (28 years ago, 18-Feb-99, to lugnet.robotics.handyboard)
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| | please remove me from mailing list
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please remove me from your mailing list it was a lot of help on my robot thanks wayne diamondw@kennecott.com (28 years ago, 18-Feb-99, to lugnet.robotics.handyboard)
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| | Interrupt Question
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I'm trying to implement a hardware shaft encoder routine similar to the the one described in the Mobile Robots Book for my Handy Board. I'm using the pulse acumulator for the left encoder and TIC2 for the right shaft encoder. They are both (...) (28 years ago, 18-Feb-99, to lugnet.robotics.handyboard)
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| | Interrupt routine question
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I'm trying to implement a hardware shaft encoder routine similar to the the one described in the Mobile Robots Book for my Handy Board. I'm using the pulse acumulator for the left encoder and TIC2 for the right shaft encoder. They are both (...) (28 years ago, 18-Feb-99, to lugnet.robotics.handyboard)
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| | Unsuscribe
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I would like to unsuscribe from the mailing list. Thank you (28 years ago, 18-Feb-99, to lugnet.robotics.handyboard)
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| | Re: IR ranging unit GP2D02
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Hallo Thomas, ja ja, der GP2D02 ist ein feines Ding. Gute Infos und ein Interface findes Du (URL) Spass Bernd Klein P.S. Was baust Du denn zur Zeit ? Ich beschäftige mich mit SUMO-Roboter. Derzeit baue ich einen 1000g Sumo mit Synchronantrieb. Mit (...) (28 years ago, 18-Feb-99, to lugnet.robotics.handyboard)
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| | Re: RF VIDEO?
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Check out these cameras/transmitters: (6 URLs) thing is, they all tune into channel 59 on any television, or video capture card on a PC (even a laptop with PC Card). -- Doug (28 years ago, 18-Feb-99, to lugnet.robotics.handyboard)
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| | Linx Technologies RF Modem
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I purchased the Linx Technologies HP development kit a few months ago, and I couldn't get the PC to communicate with the Handyboard. After swapping the modules around a bit, I found that one of the Receiver modules was not working. I contacted Linx, (...) (28 years ago, 18-Feb-99, to lugnet.robotics.handyboard)
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| | RE: Sonar and RF Modem questions
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(...) and (...) agreement (...) That would be cool. I was looking very closely at the RM and HP series because a few months ago we were investigating data acquisition by telemetry. That project is presently on a back burner, but we may still do it (...) (28 years ago, 17-Feb-99, to lugnet.robotics.handyboard)
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| | Re: RF VIDEO?
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my team used a wireless audio/video transceiver we got from radio shack. it connects to the camera and the transceiver can transmit the images to monitor. (28 years ago, 17-Feb-99, to lugnet.robotics.handyboard)
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| | Re: HB to control a TV set and VCR
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(...) Sure, the IR routines at (URL) can do that for you. Just follow the instructions in the readme to find the configurations values for your TV and for your VCR separately, and then in your program switch back and forth between the configurations (...) (28 years ago, 17-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Sonar and RF Modem questions
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(...) <snip> (...) I just took a look at the Linx site, and while perusing the fine print at the end of the price list came across this: "Linx requires the purchase of an evaluation kit prior to the sale of individual modules to any customer. This (...) (28 years ago, 17-Feb-99, to lugnet.robotics.handyboard)
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| | RF VIDEO?
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Does anybody out ther have RF wirless video on there 'BOT I want to construct a wirless video transmitter that will send a signal to a near by monitor or computer.. but not the high powered ones that require a FCC license. any suggestions would be (...) (28 years ago, 17-Feb-99, to lugnet.robotics.handyboard)
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| | IR ranging unit GP2D02
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Hi, I got a SHARP "GP2D02". It is a optical ranging module for a range from 10 to 80cm (4" to 32") with a resolution of 8 bit; non-linear ( the near feeld resolution is better ). While it looks like a perfect robot-eye, it looks quit difficould to (...) (28 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 used this code to drive a remote serial 4x20 LCD module: (URL) this helps, - - - Nick - - - (...) (28 years ago, 17-Feb-99, to lugnet.robotics.handyboard)
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| | 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. (28 years ago, 17-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Sonar and RF Modem questions
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(...) <snip> (...) standard battery source ... but since I was soldering on the Polaroid board anyway, I decided that it wouldn't hurt to add it. Do be *sure* to add the 0.1 uF cap at C7 as per: (URL) (...) Since most of my constructions are LEGO (...) (28 years ago, 17-Feb-99, to lugnet.robotics.handyboard)
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| | Re: HB to control a TV set and VCR
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Why not just buy a universal remote control (make sure it works for your TV and VCR of course). Then, take off the faceplate and interface those 3 switches to the outputs?? Saves the hassle of writing a driver for the I/R port.... --phil (...) (28 years ago, 17-Feb-99, to lugnet.robotics.handyboard)
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| | 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. (28 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 (...) (28 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 (...) (28 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 (...) (28 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 (...) (28 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 (28 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 (28 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 (...) (28 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 (...) (28 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 (...) (28 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 (...) (28 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 - - - (...) (28 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 (28 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 - - - (...) (28 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 (...) (28 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) (28 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 (...) (28 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: (...) (28 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? (28 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 (...) (28 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 - - - (28 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 (...) (28 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 (28 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 (28 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 (28 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 (...) (28 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 (28 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 (...) (28 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 (...) (28 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 - - - (28 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 (...) (28 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 - - - (28 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. (...) (28 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 (...) (28 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 (...) (28 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, (...) (28 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: (...) (28 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 (...) (28 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. (...) (28 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 (28 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 (...) (28 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 (...) (28 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 (28 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 (...) (28 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 (...) (28 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 (...) (28 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? (...) (28 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 (28 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 - - - (...) (28 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 - - - (...) (28 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 (...) (28 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) (28 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 (...) (28 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 (...) (28 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 (...) (28 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 (...) (28 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 (...) (28 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 (28 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 (...) (28 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. (...) (28 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) (...) (28 years ago, 12-Feb-99, to lugnet.robotics.handyboard)
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