 | | Using LEGO active sensors
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I would like to use my LEGO active light sensors with the HB. Has anyone done this without purchasing the commercial expansion board? Can anyone recommend a good way to proceed? Thanks. Jim (23 years ago, 5-Oct-01, to lugnet.robotics.handyboard)
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| | Running IC w/WME
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I have recently begun using the Handyboard with the non-commercial version of IC. My PC runs Windows ME. I was unable to get IC to communicate with the HB until I booted the PC in safe mode. Are there other ways to handle this problem? Thanks. Jim (23 years ago, 5-Oct-01, to lugnet.robotics.handyboard)
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| | Re: Fire Fighting Robots
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Hey Chris... I have made my final-year project as an "Intelligent Fire-Fighting Mobile Robot". This What I used... 1. 2 UV sensors from Hamametsu (one returns digital "one-bit" signal, and the other gives back an analog signal to the HB) 2. 5 IR (...) (23 years ago, 4-Oct-01, to lugnet.robotics.handyboard)
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| | my NEW HandyBoard??!
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hello HB people... I have purchased my NEW HB yesterday and I have followed the entire procedures in the manual word to word. When I tried to download my program...everything was ok...the Interaction Window shows the program beeing downloaded, and (...) (23 years ago, 4-Oct-01, to lugnet.robotics.handyboard)
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| | Re: My HB wont get the bootstrap mode
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(...) Edgar, Some times I have the same problem getting into bootstrap mode. Usually if I charge the board for a while it will go away or sometimes pressing lightly on the LCD screen while turning the board on will help. This may not be a good sign (...) (23 years ago, 28-Sep-01, to lugnet.robotics.handyboard)
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| | IS1U60
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Hello Handyboarders, I hve a few questions regarding IR demodulation. Fred's book shows both the GP1US2 and the IS1U60 IR demodulators but only shows how to hook up the GP1US2. I would assume that this is because they would both be wired the same (...) (23 years ago, 28-Sep-01, to lugnet.robotics.handyboard)
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| | Comparison of C compliers
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If you were starting C development on the handyboard today what compiler would you go for ? There seems to be a least 2 free IC and GNU-GCC and 2 commercial ICC and netwon labs ? What does your money buy for you ? How do the size of programs vary ? (...) (23 years ago, 24-Sep-01, to lugnet.robotics.handyboard)
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| | My HB wont get the bootstrap mode
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I´m a new user on the HB, and whne I rey to get the bootstrap mode just I can't it suppose the 2 leds (red and green) should be on and rapidly turn off, but th green led stays on all the time... What is wrong?? Is the HB damage? (23 years ago, 19-Sep-01, to lugnet.robotics.handyboard)
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| | Re: lcd page zero driver and interrupts
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This will probably bounce to the Handyboard list but here goes ... (...) The way the default LCD program is written is non-optimal. This is because the LCD is a fairly slow device relative to the 68HC11. The default LCD code spin locks on the (...) (23 years ago, 18-Sep-01, to lugnet.robotics.handyboard)
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| | lcd page zero driver and interrupts
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I am prototyping an interrupt driven system on the Handy Board in assembly language. I want to use the onboard LCD and have implemented a page zero driver as described beginning on page 356 of Robotic Explorations, by Fred Martin. The LCD driver (...) (23 years ago, 17-Sep-01, to lugnet.robotics.handyboard)
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| | i2c and Handyboard
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I see there has been some software for i2c interface to Handyboard. How do you connect the hardware? Is it just a case of using 6 pins on the data port. ---...--- This mail sent through UK Online webmail (23 years ago, 13-Sep-01, to lugnet.robotics.handyboard)
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| | Re: Serial LED is not lighting up = pilot error
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Hi Scott, the handyboard part-list says that this LEDs are from the HLMP17xx series. These LEDs are low-current LEDs and only need 2 mA current at (1.8V) 1.9V forward voltage. So your 10mA 3V LEDs doesn't fit. Have a look at : (URL) you can use LEDs (...) (23 years ago, 3-Sep-01, to lugnet.robotics.handyboard)
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| | Re: Serial LED is not lighting up = pilot error
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I believe I've determined the problem. It looks like pilot error. Upon closer inspection of the serial LED, I noticed that it was defintely backwards in comparison to the power LED. I know that the power LED works like it should so the serial LED (...) (23 years ago, 3-Sep-01, to lugnet.robotics.handyboard)
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| |
| | (no subject)
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Hi All, Thanks for all the support I got for my post. I was amazed. However, I would like to clarify that I would like, not only anaylize the walking mechanism, but also build one. Since I have a Handyboard with Expansion Board, I would like to be (...) (23 years ago, 31-Aug-01, to lugnet.robotics.handyboard)
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| | Re: Walking Robots
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Hi Rainer, Thanks alot for all that info. I Like the idea of the the F18 but I have spend all my pocket money on the handyboard so I want the thing to walk with the six servos I've bought. Still, Thanks alot, Mustafa (...) (URL) (...) (23 years ago, 31-Aug-01, to lugnet.robotics.handyboard)
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| | Re: Question about necessary tools for HB assembly
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(...) To all those looking for cheap scopes: Check out www.picotech.com PC-based scopes. (23 years ago, 29-Aug-01, to lugnet.robotics.handyboard)
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| | Re: Walking Robots
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Hi Mustafa, I build a 6-legged walking robot using lego parts only. I didn't use a handyboard. (You posted to the handyboard group only) If interested have a look here : www.informatik.fh-ha...g.de/~lego Regards, Rainer P.S.: A very great robot (...) (23 years ago, 29-Aug-01, to lugnet.robotics.handyboard)
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| | Walking Robots
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Hi All, Can all those who have made a walking robot please tell me. I am doing a High School Extended Essay and I want to analyse the different methods used to make robots. Please send an URL, or even email me. Also, anyone know any sites which hold (...) (23 years ago, 28-Aug-01, to lugnet.robotics.handyboard)
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| | Re: Question about necessary tools for HB assembly
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Thanks for the info Rainer. I ended up picking up a Logic Probe from Radio Shack as it was only $18. Even if its not top of the line, it should work plenty fine for this job (and more later). If I get more serious about building these kits and the (...) (23 years ago, 29-Aug-01, to lugnet.robotics.handyboard)
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| | GPS
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Hi there, Can anyone give me some clues on interfacing GPS to the HB? I have been tinkering with Curt Mills code without success. I have been trying to print the GPS data to the HB screen but so far no luck. The serial_getchar_nowait() function (...) (23 years ago, 28-Aug-01, to lugnet.robotics.handyboard)
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| | Re: Serial LED is not lighting up during charger board assembly
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Hi Scott, as I mentioned before i only assembled some 6.270 boards, but no handyboard. So what's follwing is only what i guess. I can't check this out here. Are you able to measure (always with pin7 J9 as ground reference) +9V at pin2 U16 and -9V at (...) (23 years ago, 26-Aug-01, to lugnet.robotics.handyboard)
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| | Re: Question about necessary tools for HB assembly
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Hi Scott, I assembled three 6.270 boards (kind of grandpa of handyboard) some month ago and didn't need an Oscilloscope or a Logic Probe. I guess you'll only need such things if you run into trouble with getting started with your handyboard. So, try (...) (23 years ago, 26-Aug-01, to lugnet.robotics.handyboard)
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| | Serial LED is not lighting up during charger board assembly
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I'm in the middle of assembling the Serial Interface and Batt. Charger board but have run into a snag. While testing the serial circuit, I was able to see the +-9V values on pin 2 of U16. However, when testing the transmit and receive functions of (...) (23 years ago, 25-Aug-01, to lugnet.robotics.handyboard)
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| | Question about necessary tools for HB assembly
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Howdy all, I'm getting ready to finally begin assembly of my HB and I have a question regarding the "necessary" tools for this. In the assembly guide, the last tool it states as needed is a Logic Probe or Oscilloscope. I've used O-scopes before but (...) (23 years ago, 24-Aug-01, to lugnet.robotics.handyboard)
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| | Re: Help neeeded in S19
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Hi Chee, I used the assembler code of this shaft encoder software to create my own. Although using them in C is quite simple, programming in assembler much toucher - but very nice. Take a look at my website (URL) for the altered shaft encoder code. (...) (23 years ago, 23-Aug-01, to lugnet.robotics.handyboard)
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| | Re: Help neeeded in S19
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Hi To solve your problem you don't need to learn s19 code. You must only something like encoder0_low_threshold= 75; in your program (c and nod s19). You must only replace the 0 (zero) according to your used analog port. For further information refer (...) (23 years ago, 22-Aug-01, to lugnet.robotics.handyboard)
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| | Help neeeded in S19
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hi, I am using handy board to control my robot. In order to implement dead reckoning, I brought a pair of shaft encoders which give 1000 counts per revolution. I have downloaded encoder driver (.icb file)from Handy Board website "(URL) And, I wish (...) (23 years ago, 21-Aug-01, to lugnet.robotics.handyboard)
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| | Re: Is Expansion Board Servo Voltage Suppose to Be 9v
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Make sure you measure the voltage under load. Without a load the diodes won't look like they're dropping anything. Fred (...) (23 years ago, 15-Aug-01, to lugnet.robotics.handyboard)
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| | Re: Is Expansion Board Servo Voltage Suppose to Be 9v
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Yes, Fred, the diodes are in place. I Assume that is where I should start to test for opens, shorts and, bad diodes. Thanks for the help. Andy "Fred G. Martin" <fredm@alum.mit.edu> wrote in message news:200108150241.WA...net.com... (...) (23 years ago, 15-Aug-01, to lugnet.robotics.handyboard)
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| | Re: Is Expansion Board Servo Voltage Suppose to Be 9v
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Do you have the dropping 2n540x diodes in place? they should drop the 9.6v batt to the 5-6v servo voltage. Fred (...) (23 years ago, 15-Aug-01, to lugnet.robotics.handyboard)
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| | Is Expansion Board Servo Voltage Suppose to Be 9v
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Hello again, I was surprised to find that my expansion board servo ports were putting 9 volts. Is this the way the board was designed or is this in error. Most servos I have come across work in the upper 4 to 6 volt range. The servo I have runs (...) (23 years ago, 15-Aug-01, to lugnet.robotics.handyboard)
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| | Help Needed With Serial Output Drivers Syntax
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Does anyone have an example of how to use the 7i9600 serial driver with the Scott Edwards SSC II. I cannot seem to find any documentation. Thanks, Andy Loy andyl@citlink.net (23 years ago, 14-Aug-01, to lugnet.robotics.handyboard)
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| | Re: Problem in Battery Power
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Hi Chee, I have been told the power still needs to be supplied from that connector. My idea was to only use two of the four connecting pins (one for plus and one for minus) downward from the expansion board and solder two female connectors (one for (...) (23 years ago, 14-Aug-01, to lugnet.robotics.handyboard)
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| | Problem in Battery Power
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Hi ! I am a research student in Robotic. I am using Handy Board together with Expansion Board to interface with DC motors and other sensory devices. Unfortunately, internal power supply is not adequate for powering my motors. So, I am thinking to (...) (23 years ago, 14-Aug-01, to lugnet.robotics.handyboard)
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| | Re: Shaft Encoder for Handy Board.
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Hi Ridzuan, A couple of weeks ago I posted a question here if anyone had experience in using magnetic field sensors for building shaft encoders. The reactions I got lead me to build two shaftencoders using the KMZ10B by Philips. It is all pretty (...) (23 years ago, 5-Aug-01, to lugnet.robotics.handyboard)
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| | Shaft Encoder for Handy Board.
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Hi there! We have three handy board controllers in our lab. We use it as our mobile robot's controller. Now, we want to add feedback motor control routine and required us to use shaft encoder. I just want to know, the model of the shaft encoder that (...) (23 years ago, 4-Aug-01, to lugnet.robotics.handyboard)
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| | HB for sale
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MOVING, gotta go... FOR SALE: Handy Board, Serial interface w/ battery charger; computer connector; misc elements from senosor/motor kit (including all 4 motors, most sensors); Interactive C license key ALL for $200 or best offer Excellent condition (...) (23 years ago, 28-Jul-01, to lugnet.robotics.handyboard)
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| | IRQ and XIRQ pins on handyboard
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Hello everybody, Is it a reason why the IRQ pin of the 68HC11 is not available. On the schema, seems that this pin is always up. If I look in the pcode.asm, the interrupt vector for IRQ ($BFF2) is set to RTI (BadInt) So, if I need to link a device (...) (23 years ago, 27-Jul-01, to lugnet.robotics.handyboard)
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| | LMD18200
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Hi, I have a question about the PCB that Matt Harlan have made for an LMD18200 H-Bridge. In that PCB seems that the Thermal Flag Output of the chip goes directly out and ready to connet to the HB, but this output will not be, in the case of set, of (...) (23 years ago, 27-Jul-01, to lugnet.robotics.handyboard)
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| | Re: Any success running IC with W2000 on notebook?
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Hi Steve, I have been running IC version 3.2 without any problems on W2k. Not on a notebook though. You can obtain a personal version of IC 3.2 from NetwtonLabs (www.newtonlabs.com/ic) for $35. Good luck, Willem van Asperen "Steve Mosiman" (...) (23 years ago, 25-Jul-01, to lugnet.robotics.handyboard)
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| | Any success running IC with W2000 on notebook?
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I posted specific questions concerned running IC on windows 2000 last fall. I had a variety of problems. My solution was finally to use old machines with DOS or old windows. I am interested in any successes people have had with running IC under (...) (23 years ago, 24-Jul-01, to lugnet.robotics.handyboard)
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| | Heat Seeking
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Hi all! Does anyone have experience with any kind of heat sensor (that ones used in burglar alarms). A few years ago I heard something about a MIT robot that had a people following and shoot (water gun) behaviour. Despite they did it with patern (...) (23 years ago, 19-Jul-01, to lugnet.robotics.handyboard)
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| | Re: Troubles with Hamamatsu P3062-01 IR photo reflector / P5587
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Hi Jan, I can not help with this specific device, but are you sure the device works like this? Can different outputs be measured, depending if there is white or black in front of it? Here I mean: measured with a voltmeter when pin 3 is not connected (...) (23 years ago, 18-Jul-01, to lugnet.robotics.handyboard)
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| | magnetic shaft encoder
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Hi All, Does anyone in this group have experience with using the KMZ10B (magnetic field sensor) to build a shaft encoder? I am interested in a schema to connect it to the HB, either digital or analog input. Thanks, Willem (23 years ago, 17-Jul-01, to lugnet.robotics.handyboard)
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| | Re: Power and Reset
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Hi All, Thanks for the good advice I got. I applied a separate power sypply to the board, to drive the motors and everything seems to go well now. I am not sure if I need to change the L293D for a more powerfull alternative. The chip driving both (...) (23 years ago, 14-Jul-01, to lugnet.robotics.handyboard)
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| | Any web resources for Devantech SRF04 UltraSonic Ranger?
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Can anyone provide some information and applications of the Devantech SRF04 UltraSonic Ranger for me? I am interested to use this sensor on my robot since it has a minimum 3cm ranging distance. (URL) (23 years ago, 12-Jul-01, to lugnet.robotics.handyboard)
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| | Handy Board For Sale!
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I am selling my Gleason Research HB, it was only used for my design project. Total time of use would be about three months weeks. Comes with all the cables, charger/interface box, charger power supply, and Fully licensed Interactive C. I am the only (...) (23 years ago, 12-Jul-01, to lugnet.robotics.handyboard)
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| | Re: Power and Reset
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Nichola's suggestion is a simple and raw method to supply enough current for the motors, but it seems difficult to imply if your handyboard has an expansion board attached... The height between the two boards is not enough to fit 2 ICs, and this (...) (23 years ago, 11-Jul-01, to lugnet.robotics.handyboard)
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| | Re: Power and Reset
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I think your trouble come from the H-bridge chip (L293D), it doesn't support more than 600mA of current draw, and reset or crash the board then this value isn't respected. To solve this trouble, I used instead the L298N, it support up to 1A. In (...) (23 years ago, 9-Jul-01, to lugnet.robotics.handyboard)
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| | Power and Reset
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Hi All, I Just created a (my first) mobile bot with two motors using differential drive. At random moments, during motor activity, one of the motors (or both) seems to go wild and soon after that the BATT led blinks and then the board is reset. I (...) (23 years ago, 8-Jul-01, to lugnet.robotics.handyboard)
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| | Re: my Polaroid
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Please get the Handy Board Technical Reference at (URL) . Then look on page 2. It's the item labeled #19, power expansion header. sorry for the inconsistent naming. Fred (...) (23 years ago, 6-Jul-01, to lugnet.robotics.handyboard)
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| | my Polaroid
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hello people :) I have refered to this site regarding my Polaroid's (ranging system) interface of the H.B, (URL) what I do not understand is the phrase..." To Handy Board Motor Power Connection" on the schematic...where do they mean by that?! by the (...) (23 years ago, 6-Jul-01, to lugnet.robotics.handyboard)
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| | Java and the HandyBoards
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Hello. I am trying to get java to work on the handyboards using the things provided from the simpleRTJ webpage. If anyone has had success getting java to work on the handyboards, either the regular or the expansion boards, using simpleRTJ, please (...) (23 years ago, 3-Jul-01, to lugnet.robotics.handyboard)
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| | Re: SOS: How can I get my robot moving straight?
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|
Hi Zhengrong, I think it is possible. Your Handyboard has to give a pwm signal to your gyroscope. The gyroscope lengthens or shortens this pwm and gives it back to the Handyboard. I haven’t ever seen drivers for a gyroscope, so you’ll have to write (...) (23 years ago, 3-Jul-01, to lugnet.robotics.handyboard)
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| | Re: SOS: How can I get my robot moving straight?
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I am also designing a similar car or truck, my idea is use a rotation sensor and worm gear to rack and pinion, then control it keeping straight base on rotation value, is it possible? Zhengrong (...) (23 years ago, 29-Jun-01, to lugnet.robotics.handyboard)
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| | SOS: How can I get my robot moving straight?
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Hi, I’m trying to get my robot moving straight, but it doesn’t work. My robot is configured for differential steering and I have shaft encoders installed on each one for feedback. The encoders are working with the encoder library from the Handy (...) (23 years ago, 28-Jun-01, to lugnet.robotics.handyboard)
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| | java and the handyboards
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I am a student doing a summer research project for my school that is focused on using java on the handyboards. I have been using the things from the simple real time java page, and am having three problems. Any help would be utterly appreciated. The (...) (23 years ago, 21-Jun-01, to lugnet.robotics.handyboard)
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| | DC motors and expansion board
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How many 9v DC motors can I attach to the handyboard with the expansion board? Where should I attach them to the expansion board and how do I code for them in IC? Thanks, Elliot Anderson Assistant Professor of Art, Electronic Media Art Department (...) (23 years ago, 20-Jun-01, to lugnet.robotics.handyboard)
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| | my Polaroid again!
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I have checked this link regarding the interface of the Polaroid ranging system to the HB. (URL) I don’t get is the term “To Handy Board Motor Power Connector” on the connection schematic…what is actually meant by that; is it to the four motors (...) (23 years ago, 18-Jun-01, to lugnet.robotics.handyboard)
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| | E-mail authentication during posting
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The Quick Summary ===...=== Effectively immediately, all LUGNET News posts now require e-mail authentication after posting, in order to prevent the continuance of forged messages. An exception to this rule is if you are a member and signed-in (...) (23 years ago, 18-Jun-01, to lugnet.announce, lugnet.admin.nntp, lugnet.general, lugnet.lego.direct, lugnet.robotics, lugnet.robotics.handyboard, lugnet.cad) !!
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| |
| | Re: How many 5 wire steppers?
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Hello, From the book "Mobile Robots -- Inspiration to implementation", there is a circuit that used to sample the noise level from the mic. It also comes with Interactive-C source code. I guess this is what you are looking for. Thanks. Patrick Hui (...) (23 years ago, 14-Jun-01, to lugnet.robotics.handyboard)
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| | Phasing Errors and as11
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|
Has anyone managed to sort out all the "phasing errors" you get when you try to reassemble pcode v3.1 using as11? Thanks, George Musser georgejr@musser.com (23 years ago, 13-Jun-01, to lugnet.robotics.handyboard)
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| | How many 5 wire steppers?
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|
I have a Handyboard with the expansion board. I'm building an interactive sculpture with the board. This is my first use of my Handyboard. I would like to hook up five or six stepper motors to the board. The motors I'm using are scrapped from old (...) (23 years ago, 13-Jun-01, to lugnet.robotics.handyboard)
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| | Re: Beginners Quest.
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|
The E1 chip works with the Handy Board. Actually, any of the 52-pin PLCC 6811s will work. You may have to change the CONFIG register to get Interactive C to run. Fred (...) (23 years ago, 13-Jun-01, to lugnet.robotics.handyboard)
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| | Pyro sensor
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Hi! Does anyone has implemented a person following behavior? If so I would appreciate any hardware or software details. If I'm not wrong, I can modify one of those PIR detectors used with burglar alarms as it has the sensing element and amplifiers (...) (23 years ago, 13-Jun-01, to lugnet.robotics.handyboard)
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| | Re: Beginners Quest.
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Well, I almost sure that you have to use the A1, the other chips have a different configuration, like they can have an eeprom. (23 years ago, 13-Jun-01, to lugnet.robotics.handyboard)
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| | Beginners Quest.
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|
Hi all there, Plz can somebody tell me if I can use MC68HC11E1, E0 or F1 chip instead of HC11A1. I've just looked into archives and found nothing about that. Thx for help. (23 years ago, 12-Jun-01, to lugnet.robotics.handyboard)
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| | Re: two Qs
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|
Hi, (...) (int (...) Yes. You still can use motor library to control the speed if using separate motor supply. (...) You can check the following link: (URL) Regards, Patrick Hui (URL) (23 years ago, 11-Jun-01, to lugnet.robotics.handyboard)
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| | Re: two Qs
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Q.1) Yes. Q.2) I don't know this sensor. Bye. (23 years ago, 11-Jun-01, to lugnet.robotics.handyboard)
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| | two Qs
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|
Hello... I'd like to ask two questions regarding my H.B; Q.1) If I cut the motors power-trace on the H.B to connect an external 24 volt dc power supply. Would I still be able to control the speed and direction of the motors by software using the (...) (23 years ago, 11-Jun-01, to lugnet.robotics.handyboard)
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| |
| | Re: download .s19 problem
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|
(...) Ok, i searched a bit in the net and found out that S0 is a header record (with no usefull information, or!?). So it seems to me that dl from Randy Sargent doesn´t work with *.s19 files with a S0 header (or does it work for anyone else?). So (...) (23 years ago, 7-Jun-01, to lugnet.robotics.handyboard)
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| | Re: download .s19 problem
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|
(...) Heyho! Hmmm, are you sure? But why does it work then when i change S0 to S1? I don´t change the memory map with this. But can somebody tell me a site, where the different S Types are explained? I know S1 (a normal dataset) and S9 (the last (...) (23 years ago, 7-Jun-01, to lugnet.robotics.handyboard)
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| | Polaroid 6500 Works Only When Phonecord is Connected
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|
Hello everyone, I think my post subject is self-explanatory, but let me broaden a little more. I've connected the P6500 to the expansion board which uses and external 9V battery connected to J13 as it's power source. Now, I can only get valid (...) (23 years ago, 5-Jun-01, to lugnet.robotics.handyboard)
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| | Troubles with Hamamatsu P3062-01 IR photo reflector / P5587
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|
Hi, Can anyone help me. I’m trying to use Hamamatsu P3062-01 IR photo reflector) as a shaft encoder ( which is compatible to the P5587) with my Handy Board. The P3062-01 is connected to a digital input. But it doesn’t work: the digital input doesn’t (...) (23 years ago, 4-Jun-01, to lugnet.robotics.handyboard)
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| | Handy Board web site ISP switch
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|
Hi all, I'm switching to a new ISP to host the Handy Board web site. During the next few days, the URL might not resolve properly. If you have trouble loading handyboard.com, you can use (URL) . This works now. Hopefully the switch-over will be (...) (23 years ago, 31-May-01, to lugnet.robotics.handyboard)
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| | Re: download .s19 problem
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|
the target of your code is probably the zero page of RAM, where the downloader bootstrap routine lives. so as your code is being downloaded, you're over-writing the hc11-ram-based dl comms code and the host side ultimately fails. fred (...) (23 years ago, 29-May-01, to lugnet.robotics.handyboard)
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| | download .s19 problem
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Hy! I have problems downloading a self compiled file to my Handyboard (with 68HC11A1). I just wrote a little test programm: int main() { int foo = 0; while (foo < 1000) { foo++; } return(0); } and compiled it to a .s19 file with the gnu gcc 68hc11 (...) (23 years ago, 28-May-01, to lugnet.robotics.handyboard)
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| | simpleRTJ servo or encoder code for HandyBoard?
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Hi, I'm trying to use simpleRTJ on my HandyBoard with expansion board. The servo code needs some work as the servos chatter alot. Has anyone cleaned up the servo code? Also, I'm looking for code for encoders for the HandyBoard using simpleRTJ. Any (...) (23 years ago, 25-May-01, to lugnet.robotics.handyboard)
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| | RE: More about bumper problem and HB turn itself off
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Hi Patrick, When I connect the bumper circuit to the HB, the HB turns itself off and doesn’t reset until I disconnect the circuit. After disconnecting the circuit , the HB resets without any problems. I’ve tried another thing: when I connect only (...) (23 years ago, 24-May-01, to lugnet.robotics.handyboard)
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| | Re: Need help with bumpers connected to the HB
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Hello, Can you describe more about "HB turns itself off ?" Does the HB reset itself? The analog inputs for HB have pull-up resistors. This pull-up resistor may cause the problem. Thanks. Patrick Hui (URL) Original Message ----- From: "Haberlag" (...) (23 years ago, 23-May-01, to lugnet.robotics.handyboard)
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| | Outputs
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Right now I've got one Sharp GP2D05 IR Ranger rigged to TO3 and another to digital in 9. Those are working fine, but I'd like to add a servo motor, which needs one of those two ports for a signal. The FAQ mentions using the J6 SPI pins, might I be (...) (23 years ago, 23-May-01, to lugnet.robotics.handyboard)
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| | Need help with bumpers connected to the HB
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Hi, I’ve got a problem in getting started with the Handy Board. I’d like to connect a bumper detection circuit to the analog0 of my HB. But when I connect the bumper circuit to my HB , the HB turns itself off. Can anybody help me? Any help would be (...) (23 years ago, 23-May-01, to lugnet.robotics.handyboard)
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| | Re: Will not keep P-Code.....
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Rmoving every chips except 62256 RAM and 74HC132, and try it again if it works. Besides the memory chip (62256), please also check the 74HC373 (under-neath the 62256 RAM). Patrick Hui (URL) Original Message ----- From: "Kurt Telep" <kt25@drexel.edu> (...) (23 years ago, 22-May-01, to lugnet.robotics.handyboard)
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| | Will not keep P-Code.....
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Well, I recently got a hold of a handyboard from a |friend of mine who swore it was "junk and didnt' work" | After cleaning up some ugly looking solder joints on |the board, it powered right up and began to work |great. Well, when I went to screw it (...) (23 years ago, 22-May-01, to lugnet.robotics.handyboard)
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| | huip@hkstar.com
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Hi, I have two question. 1. I received my IR transmitter from you, but I'm not sure how to attach it (in what direction). 2. I also received the Polaroid sonar system. I wonder if there are any more info available about it beside the datasheet which (...) (23 years ago, 21-May-01, to lugnet.robotics.handyboard)
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| | Is the Handy Board compatible with Windows ME?
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I have a Gateway Performance (933Mhz) using Windows Millenium Edition. The Handy Board works on other computers (work, school, etc) but not with this one. I follow the HyperTerminal steps & get the message: "Unable to open COM1. Please check your (...) (23 years ago, 19-May-01, to lugnet.robotics.handyboard)
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| | Re: gcc hb lib
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Kai Schlamp writes: > Can somebody tell me what the assembler directive ".follow" means in the > GCC Handyboard Library written by Curt Mills? I can´t find it in the > documentation of the up to date as6811 version 3.0 and as6811 also > doesn´t (...) (23 years ago, 18-May-01, to lugnet.robotics.handyboard)
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| | gcc hb lib
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Hy! Can somebody tell me what the assembler directive ".follow" means in the GCC Handyboard Library written by Curt Mills? I can´t find it in the documentation of the up to date as6811 version 3.0 and as6811 also doesn´t assemble the files with this (...) (23 years ago, 17-May-01, to lugnet.robotics.handyboard)
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| | Re: generating waves
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In lugnet.robotics.handyboard, Matthias Weber writes: I think your best bet would be to create an external oscillator that could be controlled using one of the TOC's. I mention the TOC's in case you need to pulse the oscillation (infrared remote (...) (23 years ago, 17-May-01, to lugnet.robotics.handyboard)
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| | Re: NiMh batteries
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You are correct, the NiCd batteries are a dying breed. HOWEVER, NiCds will retain their charge on the shelf whereas NiMh batteries will continually discharge slowly. After a couple of weeks your battery will not have any charge. The best of both (...) (23 years ago, 17-May-01, to lugnet.robotics.handyboard)
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| | NiMh batteries
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Hello folks, I want to implement 8 Nimh (nickel metal hydride) batteries instead of Nicads on my robot. I have read that these are lighter, have more capacity and don't retain charge memory. The batteries I am looking at are 1200 mAh. Currently it (...) (23 years ago, 17-May-01, to lugnet.robotics.handyboard)
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| | Re: Instructions for building own Handyboard
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Thanks for the advice. I might check out the kits. I'd really like to do it all myself - it helps having a Fry's Electronics about 2 miles from my house, but I understand about the multiple shipping charges adding up. It's also a matter of cost: (...) (23 years ago, 16-May-01, to lugnet.robotics.handyboard)
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| | video of Spring 2001 Robotic Egg Hunt now online
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In case you missed our live webcast on 29 April 2001, I have put the complete Spring 2001 LEGO My Egg-O Robotic Egg Hunt video online. (URL) site in case www.eecs is down; it's been spotty lately, due to renovations in the machine room] (URL) 8 (...) (23 years ago, 15-May-01, to lugnet.robotics.handyboard)
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| | Fred's book available again
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Hi everyone, Sorry for the shameless self-promotion, but: my book is in stock at Amazon and Barnes and Noble again. If you'd like to order with me as an affiliate, below are links to the respective companies. Thanks for your patience and interest! (...) (23 years ago, 15-May-01, to lugnet.robotics.handyboard)
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| | Re: Instructions for building own Handyboard
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James, Gerber files can be found in the Hardware:PCB Layouts link. The HB is a fairly complex board -- are you sure you want to make it by hand? If you haven't gone from Gerber files to boards before, the HB probably isn't the best board to start (...) (23 years ago, 14-May-01, to lugnet.robotics.handyboard)
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| | Instructions for building own Handyboard
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At the risk of coming off like a complete newbie (which I am) to this stuff, where can I find "Handyboard for dummies" kind of information about the Handyboard. I would like to build one from scratch (etching the board) this summer with my (...) (23 years ago, 14-May-01, to lugnet.robotics.handyboard)
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| | Re: HELP!!Arrays in IC
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(...) really? what was I thinking of then, does the commercial version of IC support 2d arrays? Thanks for telling me, I might have spent the rest of my robot programming days without arrays :-( <>< Chris ><> (23 years ago, 12-May-01, to lugnet.robotics.handyboard)
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| | Re: HELP!!Arrays in IC
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The free IC does support one-dimensional arrays. Fred (...) (23 years ago, 12-May-01, to lugnet.robotics.handyboard)
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| | Re: HELP!!Arrays in IC
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What version of IC are you using? I know the free version doesn't support arrays (at least I don't think so). (...) (23 years ago, 12-May-01, to lugnet.robotics.handyboard)
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| | generating waves
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Hi from Germany, I need some help for generating a sqare wave with the Handyboard. The frequency should be 16kHz at least. And the number of peeks must be countable. I only could made a 1kHz symmetrical square wave with low=high=0,5ms. For that I (...) (23 years ago, 10-May-01, to lugnet.robotics.handyboard)
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