 | | RE: JAVA
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The IC package is quite impressive. What's the expectation of a JAVA-like language? --Jerry (28 years ago, 19-Dec-96, to lugnet.robotics.handyboard)
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| | RE: JAVA and the handyboard
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I found my info on the Bali paper: Title: The BALI Development Environment for Small Mobile Robots Author: Willie Lim, Future Minds, Inc., William Y-P. Lim, wlim@ai.mit.edu Pages: 11 Presented: Mobile Robots X Conference (SPIE Conference 2591) in (...) (28 years ago, 19-Dec-96, to lugnet.robotics.handyboard)
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| | (Polaroid quandry)
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Kind of in a jam... Have heard conflicting advise (thaks again to everybody who bothered to give it)...My design group wants to come to a decision about powering our two Polaroid Ultrasonic tranducers.... * One set of opinions has advised that we (...) (28 years ago, 19-Dec-96, to lugnet.robotics.handyboard)
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| | Re: Newcomer
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(...) The E variant can handle 4 IC lines and 4 OC lines, while the A must do 3 IC lines and 5 OC lines. The IC and OC lines are the way the processor handles timer-sensitive signals, such as RC signals. The Handyboard can handle up to 2 ICs and 2 (...) (28 years ago, 19-Dec-96, to lugnet.robotics.handyboard)
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| | Re: Handy Board Crash
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(...) Re-load pcode_hb.s19. If the board loses its operating program, when it starts up it runs gibberish, and the value of the motor output latch is randomized. -Fred (28 years ago, 19-Dec-96, to lugnet.robotics.handyboard)
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| | Re: Newcomer
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(...) either. some people like the e1 better because it has more flexible timer and counter lines. but the a1 has a simpler bootstrap sequence and is less likely to have compatibility problems with the host computer. (...) No, it's harder than this. (...) (28 years ago, 19-Dec-96, to lugnet.robotics.handyboard)
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| | Newcomer
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Hello: First - thanks for all the good information that we were able to find on the handyboard web page and on the associated ftp site. My son and I have decided that we would like to build the handyboard rather than buy one ready-built. We have no (...) (28 years ago, 19-Dec-96, to lugnet.robotics.handyboard)
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| | Re: Handy Board Crash
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(...) I'm assuming you mean the motor LED's and that they stay on and nothing shows up on the LCD. Sounds like you didn't disconnect the battery and accidently shorted it. Probably lost the contents of the RAM. Try reloading the Pcode. hope it works (...) (28 years ago, 19-Dec-96, to lugnet.robotics.handyboard)
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| | Handy Board Crash
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Hi, I was installing another user knob beacuse the other one broke. While I was in the middle of doing it, I think I fried the board. When I start up I have an led sequence like this: green green green red does anyone know what this means, if so (...) (28 years ago, 19-Dec-96, to lugnet.robotics.handyboard)
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| | RE: JAVA and the handyboard
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Found this about Bali after doing a web search: (URL) contains an abstract about a paper presented at an SPIE related conference. It seems to refer to using JAVA and extensions called BALI to provide a development environment for boards like the (...) (28 years ago, 18-Dec-96, to lugnet.robotics.handyboard)
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| | Re: Interactive C sample routines
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(...) Bill: In addition to the IC Manual, check out the URL below: (URL) used these materials to get my students started. Also, see some code examples in the IC Libraries directory (that comes with IC). Check out the Chapter on Robot Programming in (...) (28 years ago, 18-Dec-96, to lugnet.robotics.handyboard)
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| | Interactive C sample routines
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Is there anyone out there that would have some IC routines that might get me started writing my own. Something for controling two motors, bump sensors, and IR sensors. Really anything that will give me a general idea of the direction I want to go (...) (28 years ago, 18-Dec-96, to lugnet.robotics.handyboard)
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| | Re: (senior design)
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(...) No problem. The motors are turned on, and you can forget about 'em, until you want to stop. Read sensors, do other math, and the robot will keep going. (...) Very fluid. Turns will be an issue, you will have to work that out. (...) He is (...) (28 years ago, 18-Dec-96, to lugnet.robotics.handyboard)
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| | RE: JAVA and the handyboard
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Didn't someone (William Lim?) write a paper about BALI, a small version of JAVA, that could be used for small mobile robots? I have a reference to his paper at home, but if someone can post it to this group quicker, it might be interesting. -- Clint (...) (28 years ago, 18-Dec-96, to lugnet.robotics.handyboard)
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| | Re: JAVA and the handyboard
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(...) What about building an IJ (Interactive Java). You loose all the cool stuff, but then again, there isn't much for graphics on the handy board. At least you get some decoupling (object orientation), and perhaps Java is a little easier to learn (...) (28 years ago, 18-Dec-96, to lugnet.robotics.handyboard)
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| | (senior design)
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My design team and I just recieved our Handy-Board. We plan on building an autonomous mobile robot that will run a search program and (hopefully) locate a 4" x 4" wooden(passive) block. The domain that it will search in is approx. 15' x 15'. We plan (...) (28 years ago, 18-Dec-96, to lugnet.robotics.handyboard)
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| | Re: JAVA and the handyboard
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(...) I believe the predecessor to Java (known as "Oak") may have been designed for embedded systems. But last time I looked, a Java Virtual Machine took 8 MB of memory, which won't exactly fit into the HC11 address space :-) Really, if you want a (...) (28 years ago, 18-Dec-96, to lugnet.robotics.handyboard)
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| | RE: JAVA and the handyboard
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It won't fit by a wide margin. I was part of the original Java team and when it was called 'Oak' it was designed to be as compact as possible with a kernel footprint at around 100K. (fit in a single 128KB eprom) But now that it is not just for (...) (28 years ago, 18-Dec-96, to lugnet.robotics.handyboard)
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| | testing the CPU
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i am currently assembling the board, and i am not sure where to hook up my logic probe to test the CPU. will someone please help me? thanks. -mretzlaf@isd.net (28 years ago, 18-Dec-96, to lugnet.robotics.handyboard)
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| | JAVA and the handyboard
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Has anyone looked into putting JAVA on the Handyboard? I keep hearing that JAVA was originally designed for embedded systems and I am curious if it has the ability to live within the Handyboard's resources. Thanks ---...--- Lance Keashly Glenayre (...) (28 years ago, 18-Dec-96, to lugnet.robotics.handyboard)
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| | Re: Handy board parts
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(...) ectronics (...) Richard Hughes and Ben Wirz sells onesies of the L293D. See the "Get Your Hands on a Handy Board" page. -Fred (28 years ago, 18-Dec-96, to lugnet.robotics.handyboard)
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| | Re: steppers - HB
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I haven't tried this on a handy board, I am using a miniboard, but I think the process is similar: not having a lot of time to figure out how to use dc motors with my miniboard (my project deadline was coming up fast) I decided to use step motors (...) (28 years ago, 18-Dec-96, to lugnet.robotics.handyboard)
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| | Re: Handy board parts
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(...) I got the following at JDR ( (URL) ): HM62256LP-10 $4.69 DS1233 $1.79 MAX232CPE $1.89 I got what I hope is a good substitute for the IS1U60 at Radio Shack, it is their p/n 276-137 and was discussed in the book "Mobile Robots" in similar use. (...) (28 years ago, 18-Dec-96, to lugnet.robotics.handyboard)
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| | Re: Getting started
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(...) I think that the Handy Board could be a good next step, depending on what you want to do with it. There are many similarities between the controller board discussed in "Mobile Robotics" and the Handy Board. Perhaps one of the more important (...) (28 years ago, 18-Dec-96, to lugnet.robotics.handyboard)
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| | Getting started
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Hello to all, I am a senior in High school and I would like to get into robotics. I bought "Mobile Robtics" and have read parts of it. Is the Handy Board a good place to start? I would really like to get into some AI later. Does anyone have any (...) (28 years ago, 17-Dec-96, to lugnet.robotics.handyboard)
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| | Handy board parts
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I am searching for HB parts such as the 32K static CMOS ram p/n 62256-100LP, voltage monitor, p/n DS1233-10, IR demodulator p/n IS1U60, motor driver p/n L293, RS232 converter p/n MAX232CPE, or any acceptable substitutes. Would appreciate anyone (...) (28 years ago, 17-Dec-96, to lugnet.robotics.handyboard)
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| | Good Times virus warning!
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Sorry, I can't help myself. I have a 102 deg fever right now and I am not thinking straight. -Fred ------- Forwarded Message <<Subject: Final warning about the "Good Times" virus>> READ THIS: Goodtimes will re-write your hard drive. Not only that, (...) (28 years ago, 16-Dec-96, to lugnet.robotics.handyboard)
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| | steppers - HB
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Wondering if anyone knows of a good way to interface a couple of steppers to the HB AND if there are any ic routines written to control steppers. Ideas, comments, suggestions, questions welcome. Bruce (28 years ago, 16-Dec-96, to lugnet.robotics.handyboard)
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| | Sonar and encoder conflict.
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I am attempting to run the following routine on my Handyboard int check() { int inches; ping(0); msleep(35L); inches=sonar_time/150; printf("%d \n",inches); return inches; } The program runs great and returns the proper value (Thanks to the software (...) (28 years ago, 15-Dec-96, to lugnet.robotics.handyboard)
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| | Re: Polaroid Sensors
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The HB power source will work. Plug the power lines into the +5v and GND anywhere on the HB's headers. (...) (28 years ago, 14-Dec-96, to lugnet.robotics.handyboard)
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| | Polaroid Sensors
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Hey Everybody, Quick question for you. Just bought two Polaroid ultrasonic ranging modules, and I would like to know if I must use the Propulse batteries and holder that the manual suggests. If not, does anyone have any suggestions for a substitute (...) (28 years ago, 13-Dec-96, to lugnet.robotics.handyboard)
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| | Handy Board supplier ?
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I am new on this list and I wander if anybody can help me with information about a supplier of 'Handy Board' with a reasonable price; the ~$280 it's excessively high for me. Thanks Gyuri (28 years ago, 13-Dec-96, to lugnet.robotics.handyboard)
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| | 10 or 12 bit A/D?
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Hello, I am interested in a 10 or 12 bit A/D version of the Handy Board. Does anyone have any information that might assist me? Thanks in advanced. ���...���Bye, ���Kevin Hollander Kevin Hollander Univ. of New Mexico Dept. of Mechanical Engineering (...) (28 years ago, 13-Dec-96, to lugnet.robotics.handyboard)
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| | Re: Replacing Motor Driver 754410's
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(...) I concur here, I have a 6inch X 6inch piece of aluminium for 2 of them, and this seems to dissapate all the heat I am generating. I could see longer runs or steeper grades would require a larger heatsink. (...) I was the one who originally (...) (28 years ago, 13-Dec-96, to lugnet.robotics.handyboard)
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| | 12V batteries
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I need a source for a good 12V battery. I'm thinking gel cell to keep the weight and size to a minimum. I found a 12V lead acid at Radio Shack, which is a good size but it's too heavy. My current needs should be modest - a couple of stepper motors (...) (28 years ago, 13-Dec-96, to lugnet.robotics.handyboard)
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| | Replacing Motor Driver 754410's
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Hello! I'm looking for feedback on my proposed modification of the HB. I need to drive a 2amp motor with 24 volts. I don't really trust the 754410's to handle that much power (not to mention the handyboard traces). What I'd like to do is replace (...) (28 years ago, 13-Dec-96, to lugnet.robotics.handyboard)
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| | Re: Replacing Motor Driver 754410's
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(...) Scott The 18200's are a pretty staight forward upgrade. I'm currently using two of them to run a couple power widow motors from a 12V gel cell. They work great. They get hot pretty quick, so a heat sink is a definite must. Scan through the (...) (28 years ago, 13-Dec-96, to lugnet.robotics.handyboard)
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| | RE: laser diodes II
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Any laser diode will work for sensing objects. The trick is that they are _so_ bright that you can't just look for the reflection (unless your are sensing objects at a few hundred feet) There was a Circuit Cellar contest entry which used a laser (...) (28 years ago, 12-Dec-96, to lugnet.robotics.handyboard)
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| | laser diodes II
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Hi, I am still looking for information on what type of laser diode would work for sensing objects. Any info or opinion would be helpfull. Has anyone tried using laser diodes for detecting objects? I would be interested in finding out how they were (...) (28 years ago, 12-Dec-96, to lugnet.robotics.handyboard)
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| | Fw: IMPORTANT; BEWARE (fwd)
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---...--- (...) doing -bs (...) jeff@wombat.eng.fsu.edu, (...) mhaik@wombat.eng.fsu.edu (...) DELETE (...) VIRUS (...) FORWARD (...) FRIENDS, (...) (28 years ago, 12-Dec-96, to lugnet.robotics.handyboard)
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