 | | Programs
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Hi All, I have just ordered a Handyboard and while i'm lerning IC i was wondering if the programs from the book Mobile Robots will work with the handyboard, my robot is configured similar to Rugwarrior,i.e. three bump an two IR proximity (...) (27 years ago, 6-Feb-98, to lugnet.robotics.handyboard)
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| | Re: Sonar
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(...) Each diode loses 0.6v. The string of them drops the HB battery down from 9.6v to 6.0v, which is the specified operating voltage of the sonar unit. You can probably substitute 1N4001s. Fred (27 years ago, 6-Feb-98, to lugnet.robotics.handyboard)
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| | Re: encoder function
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Hi all I have written some routines to measure frequencies from 30Hz to 30kHz. I'm posting this with an attachement because several people have ask me already for these routines. To Fred: You can add these routines to the ftp server or anywhere on (...) (27 years ago, 6-Feb-98, to lugnet.robotics.handyboard)
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| | Sonar
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Has anyone used the diagrams off the HB wesite for connecting the 6500 sonar. If so, could someone please tell an ignorant CS major, what the six diodes are for, and if anything else can be substituted for them. My local Radio Crack seems to be out (...) (27 years ago, 6-Feb-98, to lugnet.robotics.handyboard)
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| | analog input test
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Fred; I am at the testanalogs portion of the assembly process. All has gone well up until this point. The knob varies between 0 and 255 as expected and the seven numbers all come up either 254 or 255 when I press the START button. However I am (...) (27 years ago, 5-Feb-98, to lugnet.robotics.handyboard)
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| | Re: Modem Cable
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It is straight-thru. Please note that if you are connecting from a 9-pin male PC port to the HB interface's 25-pin female, the means that you have the following mapping: DB-9 DB-25 2 3 3 2 5 7 In other words, the same cable as you would use to (...) (27 years ago, 5-Feb-98, to lugnet.robotics.handyboard)
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| | encoder function
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The encoder function pages say that for the fast encoder, the refresh rate is only 1 KHz. That is it can make only 1000 increments in a second. If I have an encoder that has a change rate on the order of a micro second, is there any reasonable way (...) (27 years ago, 5-Feb-98, to lugnet.robotics.handyboard)
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| | Modem Cable
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The "modem cable" used to connect the computer to the serial interface/charger: Is this a "null modem" cable with the transmit & receive lines (pins 2 & 3) crossed, or is is a straight pin-to-pin serial cable? Thanks, Brett Anthony Research (...) (27 years ago, 5-Feb-98, to lugnet.robotics.handyboard)
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| | Re: Problems starting IC
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Maarten -- Quickly I can make the guess that your local copy of PCODE_HB.S19 is corrupt. The fact that PCODER22.S19 works indicates there's nothing wrong with your board. Try re-downloading PCODE_HB.S19 from the web site? Fred In your message you (...) (27 years ago, 5-Feb-98, to lugnet.robotics.handyboard)
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| | Problems starting IC
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I'm at the phase of bringing up a handyboard till a point where I have to start IC for the first time (chapter 6.0.5). I did succeed to download the PCODE_HB.S19 code and the board is starting with a beep and the IC startup message. So, that seems (...) (27 years ago, 5-Feb-98, to lugnet.robotics.handyboard)
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| | Re: Connecting a second sonar module
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(...) Sure, there's no reason you could set it up to use PD4, PD5, and TIC3 for a 2nd sonar. you might be able to get away with some signal multiplexing, assuming you're only firing one sonar at a time. i could see the BINH being no problem. For (...) (27 years ago, 5-Feb-98, to lugnet.robotics.handyboard)
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| | Re: 9600 Baud / help with pa7
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(...) Perhaps you have the RJ11 cable wired wrong. Make sure you have the ground signal and the data from pa7/digital 9 connected. see below... (...) Looking at the digital and analog sensor headers: live signal [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ (...) (27 years ago, 5-Feb-98, to lugnet.robotics.handyboard)
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| | Config reg.
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Using DL pcode_hb.s19 I got the following msg about 12 times, only on the 811e2 chips, the A1'a I could set the config to anything and change it back. Please place board in download mode and press RETURN To quit, press Q For help, press H (...) (27 years ago, 4-Feb-98, to lugnet.robotics.handyboard)
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| | Smooth PWM routines
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We are using the handyboard to control our mobile robot and wish to install the Skidmore smooth PWM routines as provided on the Handyboard web site. We are using Dunfield micro-C compiler version 3.1 in Windows95 along with the handyboard library (...) (27 years ago, 4-Feb-98, to lugnet.robotics.handyboard)
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| | 9600 Baud
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I'm sure that this has been posted tons of times, but I am trying to use the 9600 serial library. I can't seem to get anything to echo on Zterm. I used a phone cable and hooked it up to digital port 9, and then to the HB serial/charger. I get (...) (27 years ago, 4-Feb-98, to lugnet.robotics.handyboard)
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| | Connecting a second sonar module
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I'm curious about connecting two of the Polaroid sonar modules to the Handy Board v1.2. Does anyone know whether ports PD2, PD3 and TIC2 can be used to hook up the second unit in the same way that PD4, PD5 and TIC3 are used for one unit? Or is there (...) (27 years ago, 4-Feb-98, to lugnet.robotics.handyboard)
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| | 68hc811e2 config reg.
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My handyboard works great,with a 68HC11A1 mcu. The config of the 103f register was done in one try and had no problems. I then installed a 68HC811E2 MCU, (a 2k EEPROM version of the original). Using DLM, HBDL and PCbug to try set the config register (...) (27 years ago, 4-Feb-98, to lugnet.robotics.handyboard)
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| | re: pcode that works without LCD
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For the freeware IC, see (URL) Fred (27 years ago, 3-Feb-98, to lugnet.robotics.handyboard)
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| | 6.270 ROBOT COMPETITION
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FF> If you're making a family outing of it, my advice is to show up no FF> later than 4:30, drop the advance party off at the Mass Ave entrance FF> to get in and hold seats, and then have the remaining party park the FF> car and show up with pizza (...) (27 years ago, 3-Feb-98, to lugnet.robotics.handyboard)
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| | icw 3.2
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I tried to intall IC into a directory with a space in it's name and it didn't let me. Did this happen to anyone else? ---...--- ericson mar Master of Engineering Candidate Project: Mobile Robotics mar@cooper.edu (212)353-4356 Department of (...) (27 years ago, 2-Feb-98, to lugnet.robotics.handyboard)
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