 | | the Expansion Board 3.0 beta program
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Dear all, The design for the Handy Board Expansion Board is done, and I am now sponsoring a limited beta-test program. I know that many of you have been waiting a long time for the board, and I will be asking most of you to wait a little longer as (...) (26 years ago, 14-Jun-98, to lugnet.robotics.handyboard)
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| | config 0x0C
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Hi there, I have used a 68HC11E1 with my HB for quite a while now and it works fine with it. Now I replaced it with a 68HC11A1FN and it wouldn't let me download the .s19 file with HBDL anymore. It stops when downloading the program and says: Invalid (...) (26 years ago, 12-Jun-98, to lugnet.robotics.handyboard)
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| | *** pyroelectric sensors ***
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Hi I want ti make a robot follow people around, How many pyroelectric sensors do I need on the robot? I would think TWO one on either side in front? Someone told me only one is needed? can anyone shed some light on this subject? Thanks -MIKE (26 years ago, 12-Jun-98, to lugnet.robotics.handyboard)
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| | pcbug11 crashes
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Hello, I can't seem to get pcbug11 to run from Windows 95 (full screen dos-mode). I've downloaded every possible version and I always get: "runtime error 200 at 20FF:0091" when running pcbug11.exe. Has anyone encountered this before? Thanks in (...) (26 years ago, 11-Jun-98, to lugnet.robotics.handyboard)
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| | Re: Multi-tasking under IC (Freeware version)
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(...) Yup, that's the way! Good thinking. Fred (26 years ago, 11-Jun-98, to lugnet.robotics.handyboard)
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| | Multi-tasking under IC (Freeware version)
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I am somewhat new to handyboards and IC, so bear with me if this issue has been dealt with before. (I did check the FAQ and "some" of this list's archives prior to posting.) Under IC (the freeware version) cooperating processes communicate using (...) (26 years ago, 11-Jun-98, to lugnet.robotics.handyboard)
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| | Re: motor selection
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(...) From the archive: Date: Tue, 3 Mar 1998 17:12:30 -0500 (EST) (...) I have a sonar mounted on a panning servo, and I just bought an el-cheapo Cirrus CS-50. (It is functionally equivalent to a JR/Hitec JR-507 or HS-300). It works fine, although (...) (26 years ago, 11-Jun-98, to lugnet.robotics.handyboard)
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| | RE: input impedance
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Never mind, I have managed to solve the problem by cutting the trace between the 47k pull-up resistor and the sensor input. -----Original Message----- From: Joe Martin [SMTP:joema@mpx.com.au] Sent: Wednesday, 10 June 1998 18:29 To: (...) (26 years ago, 11-Jun-98, to lugnet.robotics.handyboard)
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| | D/A converter
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"Hi", from Hector Noriega, I am trying to send a data byte from port C out to a D/A converter faster than 1KHZ (target about 10KHZ) . I wrote a test subroutine in assembly code but I can not enable the address decoder using port B for the msb and (...) (26 years ago, 11-Jun-98, to lugnet.robotics.handyboard)
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| | onboard IR receiver
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the problem that i was having with the onboard IR receiver is that the codes that i retrieved from the ir_data() function were inconsistant from the same remote control button. the error was usually manifested in multiples of two, which lead me to (...) (26 years ago, 11-Jun-98, to lugnet.robotics.handyboard)
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| | Re: motor selection
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Where is your source and how do the Cirrus compare to Futuba in price? At a local hobby store in Houston I bought 2 Futuba 3003 (I think) that are the replacements for the 148 which I believe are no longer being made. They cost me about $13 but list (...) (26 years ago, 11-Jun-98, to lugnet.robotics.handyboard)
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| | Re: input impedance
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(...) Hmmmmmm.. as I recall, there are 47k pullups on those inputs. These are used to condition the signals when used as a digital input. The 'HC11 pink book suggests that any input resistance of greater then 10K will "...degrade A/D accuracy." The (...) (26 years ago, 11-Jun-98, to lugnet.robotics.handyboard)
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| | Re: Question about Sharp IR demodulators
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I had a similar experience, except that all my IR demodulators were from Radio Shack; two were some I'd gotten in a "grab bag" quite a few years ago, and the others were brand new. The original one reacted to 40KHz the way you describe yours doing - (...) (26 years ago, 11-Jun-98, to lugnet.robotics.handyboard)
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| | motor selection
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Can anyone tell me what is a good servo motor? I haven't had any experience and would like some input on names of servos to choose from. I am looking for a model number and company. Chris Rhodes (26 years ago, 10-Jun-98, to lugnet.robotics.handyboard)
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| | Question about Sharp IR demodulators
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Hi everyone, First, sorry for the blank message just now -- hit the send button instead of the cancel. I'm working on a project where I've got robots hunting targets equipped with a 40 kHz oscillator circuit which is continuously pulsing an IR LED. (...) (26 years ago, 10-Jun-98, to lugnet.robotics.handyboard)
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| | (no subject)
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--- Paul E. Rybski --- (URL) (26 years ago, 10-Jun-98, to lugnet.robotics.handyboard)
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| | Extra HB For Sale
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I have one extra HandyBoard that I will sell if anyone needs one. It is a fully assembled and tested board with Serial Interface Board and cases. It has never been used in a project (about 2 months old). I built two of these and find that I am only (...) (26 years ago, 10-Jun-98, to lugnet.robotics.handyboard)
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| | Re: Windows NT experiences?
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I use IC 2.8 under NT with no problems. Before you can use IC under NT, you`ll have to turn off the COM-port your HB is connected to under NT, or else NT won't let IC use it. You can delete the COM port in the `ports` part in you configuration (...) (26 years ago, 10-Jun-98, to lugnet.robotics.handyboard)
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| | input impedance
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Does anyone know the impedance onto the sensor inputs on the HB and/or any suggestions for setting them to receive signals sent at 220K Ohm. Joe Martin joema@mpx.com.au (26 years ago, 10-Jun-98, to lugnet.robotics.handyboard)
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| | Re: Windows NT experiences?
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I've been using IC3.2 on Windows NT/4.0 with very few problems. I used to have IC lock up occasionally, but only when I disconnected the Handy Board at weird times. Once I was more careful about disconnecting the Handy Board only when IC was at a (...) (26 years ago, 9-Jun-98, to lugnet.robotics.handyboard)
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| | Windows NT experiences?
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Hi all, I was wondering if people would please "share" their experiences running Interactive C on Windows NT. Is anyone using the old freeware DOS IC on NT? Did you have any trouble getting it to work? Please send to the list, or me privately if (...) (26 years ago, 9-Jun-98, to lugnet.robotics.handyboard)
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| | Re: Legos
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the motor is available via LEGO Shop at Home (S@H for short) tel: 1-800-453-4652 there are three kind of motors: #5114 $17.50 (the one that you see in #8270, old style) #5225 $17.50 (the one that in #8735, newer one, with gear reduction) #5119 (...) (26 years ago, 9-Jun-98, to lugnet.robotics.handyboard)
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| | Legos
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I know someone just asked this question, but where can I buy just the lego motors, and not the $45.00 set from a toy store. Thanks, Mike ---...--- Mike Reiling macman@inreach.com University of the Pacific Student of Computer Science One tequila, two (...) (26 years ago, 9-Jun-98, to lugnet.robotics.handyboard)
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| | Re: Include directive, HexMon
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I had same problem, and found that if you put the include files in the same directory as your file to be complied, and then place the file in quotes (eg. #include "6811regs.asm") it will compile. John (...) (26 years ago, 9-Jun-98, to lugnet.robotics.handyboard)
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| | Re: serial communications
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Justin Here is the file. Please feel free to modify/improve. I'm a doctor not a programmer, and I better keep my day job. Notice it borrows Randy Sargent's and Dr. Richard F. Drushel's routines found in serialio.c and math.c, both on the handy board (...) (26 years ago, 9-Jun-98, to lugnet.robotics.handyboard)
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| | clock signal needed for decoder chip
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Hello, I am hooking some HP decoder chips to the handyboard. They are HCTL-2020's and they decode a motor position encoder signal. My problem is that I need to hook one of the pins on the 2020 (the CLK pin) to a clock. I'd like to get ahold of the E (...) (26 years ago, 8-Jun-98, to lugnet.robotics.handyboard)
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| | Re: handshaking
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(...) Regarding your earlier message, if you're just wanting to talk to a GPS, then you don't need handshaking, because I haven't found one yet that supports it. It is a simple three-wire interface to most GPS's, TX/RX and Ground. They don't support (...) (26 years ago, 8-Jun-98, to lugnet.robotics.handyboard)
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| | Re: LCD Removal
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All pcodes shipped with IC 3.1/3.2 are designed to work fine either with or without LCD. Prior to 3.1, you have to build a pcode specially to disable the LCD. -- Randy (...) (26 years ago, 8-Jun-98, to lugnet.robotics.handyboard)
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| | Re: any micromice out there?
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Hi Brian, Several of my Penn State Abington freshman and sophomore engineering students constructed a working micromouse from LEGO and a HB. The approach was a vehicle that can only move in the north-south or east-west directions by alternately (...) (26 years ago, 8-Jun-98, to lugnet.robotics.handyboard)
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| | handshaking
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could you please explain to me the details of handshaking? i need to understand this before i can go any farther. exactly what is transponded during this? and how is this implemented thru assembly language? thank you. Justin D. Gullotta.. , (...) (26 years ago, 8-Jun-98, to lugnet.robotics.handyboard)
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| | Re: serial communications
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(...) I too have done this, with both a Garmin GPS-II+ and a Garmin GPS-35PC. I have posted segments of the code necessary to do this to the Handyboard list before, so if you look through the archives and grep for "WE7U", you should find them. If (...) (26 years ago, 8-Jun-98, to lugnet.robotics.handyboard)
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| | Include directive, HexMon
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Hello, I've been trying to compile .asm files using as11.exe. The files I received with my copy of IC contain the #include directive. Does anyone know of a copy of as11.exe that supports this? If I use as11_ic.bat, to build an *.icb file, the gcc (...) (26 years ago, 8-Jun-98, to lugnet.robotics.handyboard)
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| | computer crash!!
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Could someone please help me get my handyboard to communicate with the computer?? First, my computer crashed, the hard disk had to be formatted,windows 95 reinstalled, ic3.2 reinstalled. I was communicating with the handyboard thru com 4. When I (...) (26 years ago, 7-Jun-98, to lugnet.robotics.handyboard)
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| | Re: serial communications
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Justin, Interfacing a GPS to the handyboard is straight forward. Most GPS receivers comply with the National Marine Electronics Association (NMEA) standards. They transmit their information in ASCII "sentences" which are framed by a $ at the (...) (26 years ago, 6-Jun-98, to lugnet.robotics.handyboard)
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| | serial communications
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i have been looking thru the libraries that people have posted on the web, particularly the ones that allow serial communication. i am not sure how the system works, but there are numerous routines which turn handshake on and off, as well as (...) (26 years ago, 6-Jun-98, to lugnet.robotics.handyboard)
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| | DC motors vs. servo motors
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The nature of the PWM (pulse width modulation) is entirely different for servo's vs. plain DC motors. For a DC motor, it has a two wire connection. All drive power is supplied over these two wires -- think of a light bulb. When you turn on a DC (...) (26 years ago, 6-Jun-98, to lugnet.robotics.handyboard)
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| | Re: motors
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For servo, there is a certain threshold duty cycle (say 50%) of the PWM signal, where anything above this threshold will make it to run forward, and less will make it to run backward. So, you still need to apply the PWM even if the servo is not (...) (26 years ago, 6-Jun-98, to lugnet.robotics.handyboard)
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| | Re: LCD Removal
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Hello, Does anyone know if the Rug Warior Pcode run without the LCD? (Pcoderwl.S19) If not : 1 is there another RW pcode that will run without the LCD? I using the RW pcode on my Fingerboard II with out the LCD and I think this may be an issue. (...) (26 years ago, 6-Jun-98, to lugnet.robotics.handyboard)
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| | motors
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That did answer my question. I am not familiar with servo motors, I have only used plain DC motors. I am also familiar with PWM. I was just unable to determine if the same PWM signal that drives plain DC motors could also drive servo motors. From (...) (26 years ago, 5-Jun-98, to lugnet.robotics.handyboard)
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| | Re: LCD Removal
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it's easy: just use the replacement pcode_hb.s19 file provided by Kent Farnsworth: (URL) your message you said: (...) and still have the HB work. My design does not require the LCD, so if i could r emove it my robot would then be a little more (...) (26 years ago, 5-Jun-98, to lugnet.robotics.handyboard)
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