 | | Re: Handy Board diagram?
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is it (URL) ? that is linked from the assembly notes page. -fred In your message you said: (...) (27 years ago, 24-Sep-97, to lugnet.robotics.handyboard)
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| | Handy Board diagram?
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Hi all, A few weeks ago I downloaded, printed and deleted a very detailed diagram of the Handy Board, showing every pin of every connector. Now I'd like to download it again and print a fresh copy, but I can't find it. Can anyone point me to it? (...) (27 years ago, 24-Sep-97, to lugnet.robotics.handyboard)
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| | IR Stuff
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Hi There, I'm pretty new to the handy-board as I am currently a third-year undergraduate at the University Of Sheffield undertaking a robotics dissertation using the handy-board and haven't a clue how to use it properly. I was wondering if anyone (...) (27 years ago, 23-Sep-97, to lugnet.robotics.handyboard)
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| | PORTD WOM Control Bit
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Hello to all, I'm trying to link one pic homemade board with the HB using I2C. To implement I2C in the HB side, I want to use two pins from PORTD, and I'd like to configure it (PORTD) in a wired-OR way. To do that, I think I need to do something (...) (27 years ago, 23-Sep-97, to lugnet.robotics.handyboard)
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| | Re: Ultrasonic Rangefinder
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(...) Howdie Unfortunately my board does not look anything like yours. Too bad, but if anybody is interested in the hack for a sonar board out of a Polaroid spectra camera let me know! I'll provide a pic next time. Bye Bye (27 years ago, 23-Sep-97, to lugnet.robotics.handyboard)
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| | Re: Bare boards
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(...) You can buy it from Douglas Electronics on the net (URL) got my board from them, good service! (27 years ago, 23-Sep-97, to lugnet.robotics.handyboard)
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| | Re: polaroid transducers
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You have to have the transducers and the ranging module that goes with it. Look here for directions: (URL) mar Master of Engineering Candidate Project: Mobile Robotics mar@cooper.edu (212)353-4356 Department of Mechanical Engineering The Cooper (...) (27 years ago, 22-Sep-97, to lugnet.robotics.handyboard)
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| | Re: Bare boards
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(...) Douglass electronics sells blank handy-boards for $12 if you buy at least two, with greater discounts for larger purchases. Check out: (URL) that helps. Jeremy C. Thorpe -- jer10@hotmail.com ---...--- homepage: (URL) (27 years ago, 22-Sep-97, to lugnet.robotics.handyboard)
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| | Bare boards
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I like to buy a couple of bare boads of the the Handy board. Any help will be greatly appreciated. Thanks, Carlos. (27 years ago, 22-Sep-97, to lugnet.robotics.handyboard)
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| | please reply to pshaltis@alpha.albion.edu
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From: IN%"PSHALTIS@ALPHA.ALBION.EDU" "NAME=I'll have the hair of the dog that bit me." 15-SEP-1997 18:00:37.88 To: IN%"handyboard@media.mit.edu" CC: Subj: sony ir files Return-path: <PSHALTIS@ALPHA.ALBION.EDU> Received: from aleve.media.mit.edu (...) (27 years ago, 22-Sep-97, to lugnet.robotics.handyboard)
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| | Re: Ultrasonic Rangefinder
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(...) Better yet - can you make this available by ftp or on a web site somewhere? I too have an old autofocus Polaroid camera (can't remember the model) and would like to use the ultrasonic gubbins from it. Thanks Pete (27 years ago, 22-Sep-97, to lugnet.robotics.handyboard)
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| | Re: Ultrasonic Rangefinder
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(...) Better yet - can you make this available by ftp or on a web site somewhere? I too have an old autofocus Polaroid camera (can't remember the model) and would like to use the ultrasonic gubbins from it. Thanks Pete (27 years ago, 22-Sep-97, to lugnet.robotics.handyboard)
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| | Re: Ultrasonic Rangefinder
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(...) Hi Eric (...) The answer is no, what I used is the schematic diagram for the Polaroid 6500 rangefinder board. the circuit is almost identical exept for a transistor preamp betwen the transducer and the receiver. The only way I can initiate a (...) (27 years ago, 22-Sep-97, to lugnet.robotics.handyboard)
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| | Re: polaroid transducers
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(...) poor handyboarders? i beg to differ. -see ya (yes i know. this is only in jest) :) _/_/_/_/a cyberNETix organiZM_/_/_/_/ (URL) _/_/_/_/_/_/_/_/_/_/..._/_/_/_/_/ (27 years ago, 21-Sep-97, to lugnet.robotics.handyboard)
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| | polaroid transducers
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does anybody out there have any schematics for using the polaroid transducers on the handyboard, I have two such transducers, but havint got a clue how they work or how to connect them to the handyboard. I'm also very interested in what Bill Richman (...) (27 years ago, 21-Sep-97, to lugnet.robotics.handyboard)
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| | Re: Ultrasonic Rangefinder
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I've used the sonar board and transducer from several Polaroid "Pronto Land Cameras" for just that purpose in that past. I don't know how these compare to the Spectra; I would assume they're similar if not identical. There was an article in an old (...) (27 years ago, 21-Sep-97, to lugnet.robotics.handyboard)
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| | Ultrasonic Rangefinder
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Did anyone ever opened up a Polaroid Spectra Instant camera? I did. The sonar rangefinder is almost identical to the Polaroid 6500 exept there are some problems that I encountered 1) BLNK and BINH have no efect on the ECHO output 2) The ECHO signal (...) (27 years ago, 20-Sep-97, to lugnet.robotics.handyboard)
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| | Re: fun under the sun...
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From the "other" mailing list I'm on (BEAM robotics), try: www.solarbotics.com They have a lot of parts and information for solar powered robots. I've bought stuff from them and had good experiences. (Although getting a flimsy bubble-pack envelope (...) (27 years ago, 20-Sep-97, to lugnet.robotics.handyboard)
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| | fun under the sun...
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Hey folks looking for a cheap source of solar cells... I wanna make something around 8 volts and between .5 to 1 amp The load will be that of a "modified" rc car motor (ball bearings, slot armature, 15 winds) Any help would be greatly appreciated (...) (27 years ago, 20-Sep-97, to lugnet.robotics.handyboard)
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| | Re: Pseudocode
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I think what you may be wondering is how does the code do all this at once instead of sequentially as normal code runs. If you are not wondering this then I'll tell you anyway. The awesome feature of the handyboard is the pcode. The pcode is a (...) (27 years ago, 20-Sep-97, to lugnet.robotics.handyboard)
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