 | | 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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