 | | Re: nicad battery
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(...) I'm sure that would be fine. The important things seem to be the 9.6 volts and the relatively high current capacity that nicads provide. The larger the amp-hour rating, the longer you can go before recharging. -- Will , , __@_/ \_@__ |/ | /__, (...) (26 years ago, 6-Nov-98, to lugnet.robotics.handyboard)
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| | Some Parts
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I read somewhere that someone was selling the "hard to find parts" of the HB including the DS1233, HC11, motor controllers and an LCD. I can't find it now... does anyone know of such a thing??? It would help. P.S. - to anyone who is considering (...) (26 years ago, 6-Nov-98, to lugnet.robotics.handyboard)
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| | Re: Science Interest
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Dear Capt. Rutledge, Your ideas sound very interesting! May I suggest that you join the following mailing list. It's a hotbed for this sort of discussion: (URL)Dear Professor Berg, (...) ***...*** Robbie Berg Department of Physics, Wellesley College (...) (26 years ago, 6-Nov-98, to lugnet.robotics.handyboard)
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| | nicad battery
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Is it ok to use a 9.6 volt 700 mAh RadioShack batttery instead of the 500 mAh battery specifed in the instructions?? (26 years ago, 6-Nov-98, to lugnet.robotics.handyboard)
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| | To step or not to step
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Hi all, Iam trying to make up my mind on which type of motor to use on my robot, I have got two stepper motors with built in quadriture encoders and also two 12v 2amp D.C. motors with gearbox's. I have made a test bot built from Lego with two 9Volt (...) (26 years ago, 6-Nov-98, to lugnet.robotics.handyboard)
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| | smooth motor output
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(...) My IC 3.2's do not include the smooth PWM but the code from the handyboard web site works OK. I say "my IC3.2" because although the disc says 3.2 the handyboard says 3.1. Does anybody know if the bug fix concerning the analog inputs on the web (...) (26 years ago, 6-Nov-98, to lugnet.robotics.handyboard)
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| | DS1233 Problem?
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Hello, all: I am having problems downloading the pcode_hb.s19 file. Here's the symptoms... My HB passed all of the construction tests as outlined in the manual, including the DS1233 power monitor. The HB goes into bootstrap mode no problem, but the (...) (26 years ago, 5-Nov-98, to lugnet.robotics.handyboard)
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| | Flow Control
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Hi, Does the Handy Board use flow control? Thanks. Cheers, Ron (26 years ago, 5-Nov-98, to lugnet.robotics.handyboard)
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| | message from france
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Hello, my name is thierry and I am student in a high school of engineers in toulouse in France. I send you this mail because I have a problem to download a program to board with 68hc11a1fn. In France, I bought a book of joseph l.jones and anita (...) (26 years ago, 5-Nov-98, to lugnet.robotics.handyboard)
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| | Digital Output
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Hi, I am having problems with one of the converted SPI pins, specifically the MOSI pin. This is what I did, poke (1009, 0x3c); bit_set (1008, 0x08); I then checked the pin with a logic probe and got a low. I sifted through the other pins and they (...) (26 years ago, 4-Nov-98, to lugnet.robotics.handyboard)
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| | message from france
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Hello, my name is thierry and I am student in a high school of engineers in toulouse in France. I send you this mail because I have a problem to download a program to board with 68hc11a1fn. In France, I bought a book of joseph l.jones and anita (...) (26 years ago, 4-Nov-98, to lugnet.robotics.handyboard)
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| | message de france
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Hello, my name is thierry and I am student in a high school of engineers in toulouse in France. I send you this mail because I have a problem to download a program to board with 68hc11a1fn. In France, I bought a book of joseph l.jones and anita (...) (26 years ago, 4-Nov-98, to lugnet.robotics.handyboard)
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| | RE: AS11_IC
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From: Hector Noriega Date: 3OCT98 to: makarraj@cse.msu.edu To Integrate Assembly Code into a "C" Program The variables declared here become globals in C. A simple example to double a number entered from a "C" program, multiply it in assembly code, (...) (26 years ago, 4-Nov-98, to lugnet.robotics.handyboard)
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| | adc blues
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im working on a project for school, a digital oscilloscope for your pc, but im running into some trouble concerning the ADC part of the project, specially with the noise introduced by the ADC itself to the signal being digitized, (im using a Harris (...) (26 years ago, 3-Nov-98, to lugnet.robotics.handyboard)
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| | Re: Using sonar to approximate RADAR?
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Richard A. Cini, Jr. wrote: <snip> (...) That ought to work fine, provided the cop is almost directly in front of or behind the "perp"; then no correction for angle is necessary. The Polaroid sonar detects objects within about a 10-degree cone. It (...) (26 years ago, 3-Nov-98, to lugnet.robotics.handyboard)
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| | Re: Cool robot platform and a question...
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Clem, In a message dated 98-11-03 01:04:33 EST, you write: << I started probing around for continuity to try and figure out what's what and I didn't get very far. >> This is the right place to start. If you can see the circuit traces, copy them to a (...) (26 years ago, 3-Nov-98, to lugnet.robotics.handyboard)
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| | Re: Line follower kit
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Hi Dave, I have a line tracker kit and also the IRPD infrared proximity detector kits from Lynxmotion constructed but do not know how to connect them to the handyboard. I contacted Jim Frye with Lynxmotion but he said he was not familiar with the (...) (26 years ago, 3-Nov-98, to lugnet.robotics.handyboard)
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| | Cool robot platform and a question...
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Thanks to the help of Todd Graham (thanks Todd), I've found a really cool, low cost, RC robot platform. It's the same platform used by USC's 1997 RoboCup entry, the Nikko Hercules! It has 4 hard plastic drive wheels, dual drive motors, differential (...) (26 years ago, 3-Nov-98, to lugnet.robotics.handyboard)
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| | Using sonar to approximate RADAR?
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Hello, all: <DELURK> I've been following this list for some time now, but since I didn't have an HB, I didn't contribute to the discussion. Now, I've just ordered my HB because I plan to start building. But I have a question... I have a model police (...) (26 years ago, 3-Nov-98, to lugnet.robotics.handyboard)
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| | robot navigation.
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Hi all, My robot has come to the stage where its time to start writing the basic navigation routines. I have two encoders on each rear drive wheel and two caster type wheels on the front.I have been trying to put some basic software modules together (...) (26 years ago, 2-Nov-98, to lugnet.robotics.handyboard)
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| | Line follower kit
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I was wondering if anybody had used the Line follower kit from the robotstore? Is it pretty much plug and play (besides a little programming) for the handyboard? Thanks. Dave (26 years ago, 2-Nov-98, to lugnet.robotics.handyboard)
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| | Re: DC motor voltage source
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Philip: I depends on how many motor driver ports you want to have on the new voltage. If you have just two motors, then lifting (and wirewrapping) pin 8 for one chip whould be enough. The motor outputs affected are nearest to the chip modified. I (...) (26 years ago, 2-Nov-98, to lugnet.robotics.handyboard)
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| | Re: Voltage for the DC motor
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Ja, I could not tell you for the life of me what 'type' f a HB it is, but I remember someone once telling me that you could just remove one of the pins from the driver chip instead. This method would be less final (ie, just bend the lead up and if (...) (26 years ago, 2-Nov-98, to lugnet.robotics.handyboard)
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| | Re: programming help.
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The "<<" is a shift left operator in C 0E is the actual motor port on the Handy Board. (...) mean? (...) between 4 and 7. (...) peek(address) | value). I don't have any documentation here, so I don't know what is stored in 0x0e, but it could be the (...) (26 years ago, 2-Nov-98, to lugnet.robotics.handyboard)
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| | Re: Bend/ Flex Sensor
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I think its cheaper to get an old Nintendo power glove and Hack it! (...) (26 years ago, 2-Nov-98, to lugnet.robotics.handyboard)
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| | Re: IR Detection
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Hi Most of the IR LED's sold at Radio Shack are the 840-880 nm wavelenght type. The Sharp tin can requires the 940 nm wavelength IR beam if my memory serves me right, it also requires to be modulated at 38 or 40 kHz depending on the model. This 38 (...) (26 years ago, 2-Nov-98, to lugnet.robotics.handyboard)
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| | as11_ic
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(...) (26 years ago, 2-Nov-98, to lugnet.robotics.handyboard)
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| | Re: Voltage for the DC motor
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(...) Sorry, I cannot help you. My board look exactly like the one on the picture. It's a Handy Board v.1.2 I bought assembled from Glasson Research. Does somebody knows what board Phillip is using? -- Eric (26 years ago, 1-Nov-98, to lugnet.robotics.handyboard)
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| | code segment
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Hi all, I have writen a code, when i download it i received following message. "c:\ic\libs\speed.icb(1): Code and data segments collide -- overflow of 681 bytes" After that I reduced the size of code and downloaded it, It was successfull. I got (...) (26 years ago, 1-Nov-98, to lugnet.robotics.handyboard)
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| | Re: Mailing List
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I used to work at AOL technical support, I would be very much interested if you could figure out how to use AOL as a POP3, AOL is NOT a POP3 server. AOL is very proprietery, one of the many reasons (and doesn't support DUN - dial-up networking) that (...) (26 years ago, 1-Nov-98, to lugnet.robotics.handyboard)
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| | programming help.
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hello can someone please tell me what does the following command line mean? bit_set(0x0e, 1 << (4 + motor)); i know that 0x0e refers to memory location $0E but how does bit_set work? is it similar to poke? and more importantly, what operation does (...) (26 years ago, 31-Oct-98, to lugnet.robotics.handyboard)
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| | Re: Implementation question
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Hi Ronald! Ok - my HB is working now. I got the right 1233-10 (10 means 10% of 5v - reset is going up on 4.5v). This seem to work better. Second thing is the 350ms delay seem to be necessary in normal reset. The second thing was that the power (...) (26 years ago, 31-Oct-98, to lugnet.robotics.handyboard)
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| | Re: Voltage for the DC motor
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hi, I noticed that the picture of the HB in the Web page is slight different from mine. There is no thick trace on my HB to be cut. However, the HB in the web page has a thick trace on it ? My version of the board is 1995, Fred Martin. Please help. (...) (26 years ago, 31-Oct-98, to lugnet.robotics.handyboard)
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| | Re: programming help.
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(...) In binary 1 is represented by 0000-0001 1 << 1 is 0000-0010 aka 2 1 << 2 is 0000-0100 aka 4 1 << 3 is 0000-1000 aka 8 You get the idea? x << y means slide x to the left y times. motor is probably a number between 0 and 3. 4+motor is then a (...) (26 years ago, 31-Oct-98, to lugnet.robotics.handyboard)
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| | Bend/ Flex Sensor
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Someone had inquired about Bend/ Flex sensors... There's one in the new JAMECO catalog: Flex Sensor Part No. 150551 for $10.95 (26 years ago, 30-Oct-98, to lugnet.robotics.handyboard)
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| | Re: Sonar Sensor Problems
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Thanks for doing all this testing and reporting it to us. I do really appreciate it. And I'll vote for the low tech version: use two diodes... -- Eric (...) (26 years ago, 30-Oct-98, to lugnet.robotics.handyboard)
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| | Re: Sonar Sensor Problems
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(...) The dual sonar interface board is simply a small (1.5" sq. or so) experimenter's PC board from Ripoff Shack with the six power diodes, the one resistor, and three header plugs soldered onto it. One plug goes to the HB and the other two go to (...) (26 years ago, 30-Oct-98, to lugnet.robotics.handyboard)
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| | Re: DC motor voltage source
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phillip: Pine 8 for the L293D is "Motor Power." There are two ways to get to this. 1) Pull the chip from the socket, lift the pin so it points straight up, then wire-wrap a new supply wire to this pin. Or scratch the trace leading to pin 8 U11 and (...) (26 years ago, 30-Oct-98, to lugnet.robotics.handyboard)
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| | HB Pcode v3.2 Source... (Was: Motor output)
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-----Original Message----- From: Eric Noyau <noyau@apple.com> To: William Bain <willbain@cs.umt.edu> Cc: handyboard@media.mit.edu <handyboard@media.mit.edu> Date: Thursday, October 29, 1998 8:39 PM Subject: Re: Motor output (...) <snip> (...) not (...) (26 years ago, 30-Oct-98, to lugnet.robotics.handyboard)
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| | debug help
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I just finished adding the motor output circuit to my HB. I have built and tested the interface board. I connected the interface board to the HB to download the test code to test the HB and I keep getting the "wrong port or board mode" error. Not (...) (26 years ago, 30-Oct-98, to lugnet.robotics.handyboard)
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