 | | 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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