 | | Servo w/ >180 travel?
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Do you know of any servos with 180 degree travel or more? 360 degrees of travel would be nice. Thanks Chad Humberstone EUCLID Mobile Robot Lab BYU (26 years ago, 25-Jun-98, to lugnet.robotics.handyboard)
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| | Re: stepper motors
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(...) Its my code and you are quite right - it is not the best in the world. It was only intended to illustrate a point and I have done no more work on it since then - sorry. When first powered up the steppers will align themselves according to the (...) (26 years ago, 25-Jun-98, to lugnet.robotics.handyboard)
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| | Re: New Board problems with download
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Luc, it sounds like its not downloading at all. make sure the port you are using is not disconnected internally, such as when you are trying to use com2 and the internal modem is configured to use com2, usually com2 port is disconnected for external (...) (26 years ago, 25-Jun-98, to lugnet.robotics.handyboard)
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| | Re: finally got the download working
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From: Brett Anthony <anthonyb@ecs.csus.edu> (...) "slapped around", is that a term they teach at School of Engineering and Computer Science:-) I doubt if the problem is with the 68HC11. H/W and S/W usually work consistantly, as designed. Working (...) (26 years ago, 25-Jun-98, to lugnet.robotics.handyboard)
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| | New Board problems with download
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Hi, I just received my Handyboard and i'm trying (hard) to get it working. Tried to download the pcode_h.s19 using both the windows downloader and the dosload 'dl.exe' windows one works OK, the dos one works OK but in full dos mode without the (...) (26 years ago, 25-Jun-98, to lugnet.robotics.handyboard)
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| | Re: pyroelectric_sensor
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If I'm not confused, I remeber seeing an article on pyroelectric sensors in the new magazine "Robot Science & Technology" (Someone please verify). It is still only up to it's premier issue so you can probably still request it. (URL) if the article I (...) (26 years ago, 25-Jun-98, to lugnet.robotics.handyboard)
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| | Re: finally got the download working
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(...) <snip> I have had the same sort of problems; my guess is that the 68HC11 itself sometimes needs to be "slapped around" initially to properly initialize, and DL, full screen, seems to do it best. Brett Anthony Research Technician School of (...) (26 years ago, 25-Jun-98, to lugnet.robotics.handyboard)
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| | serial transfer
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I was wondering if anyone knew of any software written for DOS/WIN that would save data as it is being sent to the serial port of the computer. Ilya (26 years ago, 25-Jun-98, to lugnet.robotics.handyboard)
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| | RE: Serial
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I'm really want to ear the answer.... :) (...) (26 years ago, 25-Jun-98, to lugnet.robotics.handyboard)
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| | RE: serial port
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I use the handyboard in the same way, and i need to say you, if you use dos can get more avaibility for the serial port, what under a seudo multitasking enviroment like windows 95. Otherwise, i use windows 95 because i need the GUI interface to sell (...) (26 years ago, 25-Jun-98, to lugnet.robotics.handyboard)
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| | pyroelectric_sensor
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Hello, despite the fact of not using a handyboard, I do like to make small robot-like projects. Instead of a Handyboard I use other microcontrollers, but that makes no difference for my question. I am curious about the use of pyroelectricsensors, (...) (26 years ago, 25-Jun-98, to lugnet.robotics.handyboard)
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| | connecting flash to 68hc11F1
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Hello all, I'm using th e68hc11F1 micro and want to connect an AM29f010 flash to it. I'm configured in a way that i first have 32 K ram and the 32K flash. I'm not sure how to connect the ~OE (low aactive) ~CE and ~WE. to any of the rw chip select (...) (26 years ago, 25-Jun-98, to lugnet.robotics.handyboard)
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| | Serial
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How many serial connections can I have on the handy at one. I know I can use the RJ11 connector as well as the other serial library to use a I/O, but can I modify the serial library for 3 serial connections? Mike ---...--- Mike Reiling (...) (26 years ago, 25-Jun-98, to lugnet.robotics.handyboard)
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| | assembler technicality
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from an interrupt code, is it possible to 'JMP' or 'JSR' to a subroutine(function) written in C code? what i am trying to do is the following: in the TOC4INT interrupt routine, be able to call in a C function. i know that functions are called (...) (26 years ago, 25-Jun-98, to lugnet.robotics.handyboard)
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| | Re: trouble with sony-ir
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|
(...) please see the FAQ on "IC won't load my ICB files." Fred (26 years ago, 25-Jun-98, to lugnet.robotics.handyboard)
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| | stepper motors
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A while back a few people pointed me to an text about using stepper motors with the handy board. (URL) To the people who have told me about this, or have used this method to control steppers: please tell me how well you have gotten your motors (...) (26 years ago, 25-Jun-98, to lugnet.robotics.handyboard)
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| | serial port
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I am trying to transfer large amount of data to a computer from the Handy Board as it collects that data from the sensors connected to it. I have a choice of either a windows or a unix machine. I was wondering if anyone has used the Handy Board for (...) (26 years ago, 25-Jun-98, to lugnet.robotics.handyboard)
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| | Re: Sharp IR Demodulator
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|
(...) You can try also the Kodenshi PIC12043. It is probably easier to find and is 100% pin and function compatible with the Sharp demodulator. I bought mine from Farnell Components.. (26 years ago, 25-Jun-98, to lugnet.robotics.handyboard)
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| | trouble with sony-ir
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|
Hi! What do I do wrong? I cannot run sony-ir.icb because if I try to do so, IC crashes immediately and I get the message: Fatal internal error, illegal line in s19 file. I use IC 2.85 (June 94) and the smooth PWM-routines and I made sure I use the (...) (26 years ago, 25-Jun-98, to lugnet.robotics.handyboard)
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| | Re: IR emitter
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I believe you have the IR output indicator confused with the emmitter driver. The red LED indicates that IR output is being transmitted. (That is...if you have an external IR LED attached to the HB.) There is a header for it. You can get a detector (...) (26 years ago, 24-Jun-98, to lugnet.robotics.handyboard)
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| | Futaba receiver
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Hi! I am now modifying my old r/c truck to control it with the handyboard, but I want a circuit that will enable the receiver to control the servos when there is an output received from the radio control and to enable the handyboard to control when (...) (26 years ago, 24-Jun-98, to lugnet.robotics.handyboard)
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| | Re: finally got the download working
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|
I have also had problems and mishaps with the various downloaders... Sometimes DL will work in a full-screen DOS box, other times it doesn't. HBDL seems to work now, whereas it hadn't previously. I have no clue what is causing these to work or not (...) (26 years ago, 24-Jun-98, to lugnet.robotics.handyboard)
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| | IR emitter
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Is the ir emitter on the handyboard just a standard red led? Is it efficient at emitting in the IR range. Are there better emitters? I want to build an emitter and detector set and have studied the multiplexing circuit posted. It uses the same LED. (...) (26 years ago, 24-Jun-98, to lugnet.robotics.handyboard)
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| | Sharp IR Demodulator
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Anyone know where to get the one for the HB. I cannot find it anywhere. I would like to find a place that actually has them. Thanks -- ---...--- ipscone@halcyon.com Shoot-To-Win! Protect the 2nd Amendment! Your rights may be next! ---...--- (26 years ago, 24-Jun-98, to lugnet.robotics.handyboard)
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| | Cirrus Servos - ???
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|
I have a Cirrus Cs-20 BB Sub-Micro Servo that I have been using for testing. I was wondering how this servo compares to others like Futuba and others. Since I know how this one behaves, I can use that info as a comparrison. What Futuba mode is (...) (26 years ago, 24-Jun-98, to lugnet.robotics.handyboard)
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| |
| | RE: Walking robot
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|
I didn't see the robot on the website I saw it in their catalog that they included with the Stampbug that I bought. Try contacting them, they may send you a catalog. John Hatton (...) (26 years ago, 24-Jun-98, to lugnet.robotics.handyboard)
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| | finally got the download working
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|
Thanks, Thanks to your suggestions, I was finally able to get the bootloader downloaded to my 2 handyboards. What I ended up having to do was use the DL.EXE program in full-screen mode. I've had no trouble using the Windows95 version of IC (v3.1) to (...) (26 years ago, 24-Jun-98, to lugnet.robotics.handyboard)
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| | re: encoders
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|
(...) (URL) 50 US$ -d The box said "Requires Windows 95/NT or better"... So I got Unix. Free the Source. Free your Computer... (3 URLs) (26 years ago, 23-Jun-98, to lugnet.robotics.handyboard)
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| | Re: can't download to save my life
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|
it sounds like it's *almost* working. 1. did you try DL, not DLM, in full screen dos mode? 2. try both of these as a DOS program. 3. did you try adjusting your serial port parameters in the windows control panel, a la the FAQ? fred (26 years ago, 23-Jun-98, to lugnet.robotics.handyboard)
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| | Re: inexpensive encoders
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|
Digikey has clarostat optical encoders, in the $30 to $40 range... fred In your message you said: (...) (26 years ago, 23-Jun-98, to lugnet.robotics.handyboard)
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| | mic circuit in Mobile Robotics
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The microphone circuit on page 118 of Mobile Robots is confusing me... Is that really a _1000uF_ cap? What kind of cap is the 10uF? No polarity is shown.... (26 years ago, 23-Jun-98, to lugnet.robotics.handyboard)
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| | re: inexpensive encoders
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Does anybody Knows where to get some inexpensive quadrature encoders optical encoders with A and B outputs??? thank you (26 years ago, 23-Jun-98, to lugnet.robotics.handyboard)
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| | can't download to save my life
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|
Please help!! I can't get the pcode_hb.s19 file into the handyboard to save my life. Upon looking through the archives, I've noticed some traffic that looks like it directly relates to my problem. However, I couldn't find a definitive solution. So (...) (26 years ago, 23-Jun-98, to lugnet.robotics.handyboard)
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| | Re: Cheap air flow sensor
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Electronic Design "Ideas for Design" section had a interesting circuit for a Low-Power Thermal Airspeed Sensor in the May 25, 1998 issue. It's more complicated than the Elektor design but the ariticle helps explain thermal anemometry with the King's (...) (26 years ago, 22-Jun-98, to lugnet.robotics.handyboard)
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| | Re: Cheap air flow sensor
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(...) (circuit and description deleted) Neat idea! It reminds me of a simple variometer (rate of climb/sink) circuit in an old RC glider magazine. It used two small naked bead or glass encapsulated thermistors in a bridge circuit and the thermistors (...) (26 years ago, 22-Jun-98, to lugnet.robotics.handyboard)
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| | Re: Cheap air flow sensor (Sathe Dilip)
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(...) Nice ASCII art! I'm impressed. Brett Anthony Research Technician School of Engineering and Computer Science California State University, Sacramento e-mail: anthonyb@ecs.csus.edu phone: (916)278-6253 fax: (916)278-5949 address: Brett Anthony (...) (26 years ago, 22-Jun-98, to lugnet.robotics.handyboard)
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| | Mailing List
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Hi, I'd like to get on your mailing list. I don't have an E-Mail address as of yet so here's my home address. R. Gomez 343 Honan Ave. Johnstown, PA 15906 I'd appreciate any tech. info. you have. Thanks, Raf (26 years ago, 22-Jun-98, to lugnet.robotics.handyboard)
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| | Re: Cheap air flow sensor
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Finally I managed to put the schematic of Wind-O-meter described in the Elektor publication in ASCII. Pl. set your reader font to something like courier to view it properly. I have taken some liberty with the opamp symbol to accomodate some (...) (26 years ago, 22-Jun-98, to lugnet.robotics.handyboard)
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| | re: encoders
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where I can find some inexpensive encoders with a quadrature output? preferable optical encoders thanks (26 years ago, 22-Jun-98, to lugnet.robotics.handyboard)
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| | Tracked Robots
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|
I just noticed the conversation about tracked robots. We have done some work with them here at the U of M. We have one of the Tamiya tanks. It is very nice, but only has one motor. If you want to do skid steering with both tracks at once, it will (...) (26 years ago, 20-Jun-98, to lugnet.robotics.handyboard)
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| | Re: RE - Mike Davis: Tracked Robots
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|
Most Hobby shops can order replacment parts for these kits. (eg. the treads and gears). The usually have catalogs that break out the different parts kits. (...) (26 years ago, 20-Jun-98, to lugnet.robotics.handyboard)
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| | additional motor drivers
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Is there an easy way to get additional motor drivers? I looked at the H-bridge information in the FAQ and it looks quite involved. Chad Humberstone EUCLID Mobile Robot Lab BYU (26 years ago, 19-Jun-98, to lugnet.robotics.handyboard)
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| |
| | servo w/ 360 rotation? Hi torque?
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|
Are there any servos available with 360 or near 360 rotation? I'd like one with more than 42 oz-in of torque, too. Something closer to 150 oz-in would be nice. Thanks, Chad Humberstone EUCLID Mobile Robot Lab BYU (26 years ago, 19-Jun-98, to lugnet.robotics.handyboard)
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| | RE - Mike Davis: Tracked Robots
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|
Other than using Lego or fischertechnik tracks (about equal in durability) the only option I could come up with is (are) the radio control tanks made by Tamiya. You can find these at: (URL) Browse under Tamiya, Armor/AFV, 1/16 scale. The 3 older (...) (26 years ago, 19-Jun-98, to lugnet.robotics.handyboard)
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| | RE:Tracked Robots
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The Tonka toy dozer has some pretty tough tracks on it, but you would have to make the wheels. The ones on the toy are made of plastic too thin to attach a drive mechanism to. There may be a better solution, however. There are two options I think (...) (26 years ago, 19-Jun-98, to lugnet.robotics.handyboard)
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| | IC with Botboard 2
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|
Does anyone have experience modifying IC for use with the BotBoard 2? (i.e., changing address for the beeper, etc.) I have been able to get IC to download and run, but I would like to customize it to fit the hardward on the BB2. On a related note, (...) (26 years ago, 18-Jun-98, to lugnet.robotics.handyboard)
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| | Servo Question - Cirrus
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|
I have a Cirrus Cs-20 BB Sub-Micro Servo that I have been using for testing. I was wondering how this servo compares to others like Futuba and others. Since I know how this one behaves, I can use that info as a comparrison. What Futuba mode is (...) (26 years ago, 18-Jun-98, to lugnet.robotics.handyboard)
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| |
| | Re: System interupt problems?
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|
you are correct, you are just attaching yourself to the beginning of the interrupt service routine, and the job of formatting system flags is taken care of by the ISR. however, i do see something that may be causing numerical errors. in the code, (...) (26 years ago, 18-Jun-98, to lugnet.robotics.handyboard)
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| | Freewawre IC Error
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|
I just got my hands on a beautiful old monster of an AT PC (Cost=$0). I figured, why not transfer IC over to that computer, and use it in my workshop instead of programming the 'board on our main computer and then bringing it down to the basement. (...) (26 years ago, 18-Jun-98, to lugnet.robotics.handyboard)
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| |
| | RE: Walking robot - Related Topic
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|
Thanks, I already know of these. I think I might just try and build one myself. Finding all the h/w will be the hard part. (...) ---...--- Shoot-to-Win Protect the 2nd Amendment ---...--- (26 years ago, 18-Jun-98, to lugnet.robotics.handyboard)
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| | RE: System interupt problems?
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|
(...) I'm pretty sure that since the Handy Board also uses TOC4 as its system interrupt, that it takes care of clearing the interrupt. My code just gets linked in and gets executed before the Handy Board code (though I don't know what the HB code (...) (26 years ago, 18-Jun-98, to lugnet.robotics.handyboard)
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| | RE: Walking robot - Related Topic
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|
Mike, I have actually seen only 3 reasonable quality walkers on the market (the 6 legged kind) but I have to admit that I haven't searched that far recently. Lynxmotion ((URL) do one which looks to be pretty good quality however it is a bit (...) (26 years ago, 18-Jun-98, to lugnet.robotics.handyboard)
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| | RE: System interupt problems?
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|
Tim, I just scanned your code, so I might have missed it, but don't you have to clear (or set) a flag in your interrupt routine to reenable the TOC4 interrupt? Mike ---...--- From: Timothy B. Gold[SMTP:goldt@ee.byu.edu] Sent: Wednesday, June 17, (...) (26 years ago, 18-Jun-98, to lugnet.robotics.handyboard)
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| |
| | Re: Handy Board Header
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|
I once ordered male ED7xxx series and they work ok. I do like them. I never tried the female ones. According to HB manual, the Digi-Key parts are: 929974-01-36-ND - female 36 pins. 929834-01-36-ND - male 36 pins. Regards, -Pandit ---...--- (...) (...) (26 years ago, 18-Jun-98, to lugnet.robotics.handyboard)
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| |
| | Re: Hot Wire Anemometers
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|
(...) Actually, I'd want to modify the curve. Stock, the cars run very rich. For people interested in getting the most hp out of them, we'd want to be able to lean the engine out a bit (along with reducing the intake restriction). But this is (...) (26 years ago, 18-Jun-98, to lugnet.robotics.handyboard)
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| | Re: Hot Wire Anemometers
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|
(...) Not to mention that the sensor that is already built-in to the car is probably non-linear as well, which means that the software in the car's computer is already set up for that specific curve. If you were to replace it with another (...) (26 years ago, 17-Jun-98, to lugnet.robotics.handyboard)
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| | System interupt problems?
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|
I need some help! We have a handy board hooked up to some decoders, which we will use to help track our robot as it moves across the floor. We have to do a few pokes and a peek to read the decoders, but we've got it all set up and it works (...) (26 years ago, 17-Jun-98, to lugnet.robotics.handyboard)
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| |
| | Re: Hot Wire Anemometers
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|
(...) Mass airflow sensor on a Eagle Talon/Mitsubish Eclipse/Plymouth Laser. Hmm..it sounds like it might be a lot more work to actually get something like this to work reliably in a car where all of the above can vary by a great amount. -Paul (26 years ago, 17-Jun-98, to lugnet.robotics.handyboard)
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| | RE: Cheap air flow sensor
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|
(...) I'll have to check this out. We havn't actually used hot-wire-anemometers recently, partly because we havn't had the need, and partly because vortex-shedding flowmeters are all the rage right now. My memory is they are not linear, but that the (...) (26 years ago, 17-Jun-98, to lugnet.robotics.handyboard)
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| |
| | resistor network
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|
One more question. Are the resistor networks common bus or isolated? Thanks (26 years ago, 17-Jun-98, to lugnet.robotics.handyboard)
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| |
| | Re: Handy Board Header
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|
make sure you get FEMALE header for the HB itself. The only male header is for the LCD, to plug it into its female socket on the HB. It looks like the ED72xx parts are MALE. You probably want ED71xx for female. Please note I haven't ordered ED7xxx (...) (26 years ago, 17-Jun-98, to lugnet.robotics.handyboard)
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| |
| | Re: Walking robot and change of email
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|
Try out the Pages of the EE Department of the University of New Hampshire. Miller et. al have been doing some great work in this area for decades. And try out the HP (URL) HP shows the walking robots reserach wich is being done in Germany...they (...) (26 years ago, 17-Jun-98, to lugnet.robotics.handyboard)
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| |
| | beta test close date this friday
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|
Hi all, I got a number of replies to the expansion board beta test program on sunday night and monday, but just one yesterday, so: I'm moving up the closing to this friday. If you're interested and you haven't contacted me yet, please do so by then, (...) (26 years ago, 17-Jun-98, to lugnet.robotics.handyboard)
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| |
| | RE: Walking robot - Related Topic
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|
Related Question. I am working on a robot project with my daughter this summer. I was wondering how many walking robot kits there out there. I would like a high quality one that lends itself to further development. Also, I have seen most of the (...) (26 years ago, 17-Jun-98, to lugnet.robotics.handyboard)
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| |
| | Umm...change of email....
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|
Hi all....It seems that mails are still going to my old email addy.... :) please remove the post1.com one because otherwise I will receive duplicate messages until it expires in July....Thanks.... :) (26 years ago, 17-Jun-98, to lugnet.robotics.handyboard)
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| | Handy Board Header
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|
I'm trying to order the handy board headers (J3-4, J6-8, etc). I've got a digi-key part number of ED72xx-ND where xx is the number of pins for the female. Is this correct? There seems to be a wide varity on the male J15, does someone have a part (...) (26 years ago, 17-Jun-98, to lugnet.robotics.handyboard)
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| |
| | RE: Walking robot and change of email
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|
I've recently bought a Stampbug (6 legged walker) from Milford Instruments ( (URL) ) in the UK and they have a simple 2 legged robot in their catalog. I hope this is of help. John Hatton (...) (26 years ago, 17-Jun-98, to lugnet.robotics.handyboard)
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| |
| | Re: Walking robot and change of email
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|
They keep falling down:-) Sorry, couldn't resist that. Check out the MIT site. They have a good robotics department. I don't know if it was MIT or not but I say a robot that was developed at one of these institutions that was one-legged and could do (...) (26 years ago, 17-Jun-98, to lugnet.robotics.handyboard)
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| | Walking robot and change of email
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|
Hi, I wonder if this is a little off topic, but since I got a Handyboard I would like to use it in a walking robot application. Does anyone have any experience in making 2-legged robots? Hmm.... Umm...and a message for Fred....my email has changed (...) (26 years ago, 17-Jun-98, to lugnet.robotics.handyboard)
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| |
| | Newbie
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|
Hi all, I'm new on this board, and just ordered my handyboard. As for hardware , i still have lots of bend-sensors (strain-gages) recovered from old PowerGlove's. If anyone needs these sensors, please email me, I will use them myself on the project (...) (26 years ago, 17-Jun-98, to lugnet.robotics.handyboard)
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| |
| | hog_processor()
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|
Could someone tell me how to use the hog_processor(). I want to dedicate the controller to only one task. I tried the following program but it did not go faster than 700HZ. void main() { while(1) { hog_processor(); v_opt = analog(0); /*measure (...) (26 years ago, 17-Jun-98, to lugnet.robotics.handyboard)
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| |
| | Re: HB Memory...
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|
(...) Brian, The RAM memory space is divided into two big parts very roughly like this: 0x8000 - about 0xBE00 or so = your "user" program (the C program sent by I-C) 0xBFxx - 0xBFFF = interrupt vector table (immovable!) 0xC000 - 0xFEFF = PCODE.S19 (...) (26 years ago, 17-Jun-98, to lugnet.robotics.handyboard)
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| |
| | RE: Cheap air flow sensor
|
|
(...) Do you happen to know if those changes are linear? Something like this would make a cool replacement for the MAS on the Talon. It uses a series of honeycombs (that form little diamond shapes). Then it measures the number of spinning vortices (...) (26 years ago, 17-Jun-98, to lugnet.robotics.handyboard)
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| |
| | Re: HB Memory...
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|
This is what Fred Martin wrote in a earlier message to this mail list. This is the approximate breakdown of the HB memory space. User program object code + user global variables: 16320 bytes available Runtime pcode OS: 7936 bytes Used stack space (...) (26 years ago, 17-Jun-98, to lugnet.robotics.handyboard)
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| | HB Memory...
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|
Hi all, I sent this message out a few days ago and havent heard from anyone. Can someone help me out? ---...--- When pcode is downloaded to the Handy Board, how much memory space does it take up? I am a little concerned about having enough memory (...) (26 years ago, 16-Jun-98, to lugnet.robotics.handyboard)
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| |
| | RE: Cheap air flow sensor
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|
(...) Yup. And yup again. Not to mention humidity. It's what makes instrumentation "interesting". Brett Anthony Research Technician School of Engineering and Computer Science California State University, Sacramento e-mail: anthonyb@ecs.csus.edu (...) (26 years ago, 16-Jun-98, to lugnet.robotics.handyboard)
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| |
| | RE: Cheap air flow sensor
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|
(...) Interesting. But wouldn't the air temperature change the readings? Or would you also use a temp. sensor and adjust your table scaling to take this into account? What about air pressure, same thing? -Paul (26 years ago, 16-Jun-98, to lugnet.robotics.handyboard)
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| |
| | Re: Moder Identification Needed
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|
I did a search for escap on the internet and nothing came back. Thanks BTW, it took me longer to realize that Motor was spelled wrong than it did for you to respond with the info I needed. Thanks again. Date sent: Tue, 16 Jun 1998 11:32:06 -0400 (...) (26 years ago, 16-Jun-98, to lugnet.robotics.handyboard)
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| |
| | Re: Moder Identification Needed
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|
That was fast. Thanks Date sent: Tue, 16 Jun 1998 11:32:06 -0400 From: Mike Vande Weghe <vandeweg@nameconnector.com> Organization: Parlance Corporation To: Mike Davis <ipscone@halcyon.com> Copies to: handyboard@media.mit.edu Subject: Re: Moder (...) (26 years ago, 16-Jun-98, to lugnet.robotics.handyboard)
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| | Re: Moder Identification Needed
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Check out (URL) - Mike (...) (26 years ago, 16-Jun-98, to lugnet.robotics.handyboard)
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| | Moder Identification Needed
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I have a couple of nice motors that I would like to get some info on. They were removed from some medical recording devices. They are very small and have pretty good power. If you try to stop the motor by grabbing the bushing on the shaft, it is (...) (26 years ago, 16-Jun-98, to lugnet.robotics.handyboard)
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| | RE: Cheap air flow sensor
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The classic small air flow sensor is a hot-wire-anemometer. Just position a short piece of very fine wire in the airflow and normal to it, run a constant current thru it, and measure the voltage change due to the cooling effect of the airflow. Works (...) (26 years ago, 16-Jun-98, to lugnet.robotics.handyboard)
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| | Re: Cheap air flow sensor
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Elektor had published a similar circuit for detecting air leaks. The heated transistor and another transistor acting as temp. sensor were glued together using heatsink compound. You had then to nullify/calibrate a meter at ambient temp. when the (...) (26 years ago, 16-Jun-98, to lugnet.robotics.handyboard)
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| | Re: handyboard reset vector
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Hi Justin, I believe the previous mail indicates assembly the code rather. This would be the generating the "p code" of the handy board rather than the actual IC code. Regards, -Pandit ---...--- (...) using (...) (26 years ago, 16-Jun-98, to lugnet.robotics.handyboard)
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| | Re: Cheap air flow sensor
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We have used model boat propellers on a ballbearing and on a brass bushing. Keep the bearing or bushing well lubricated for good sensitivity at low air volume (ie: low speed of the propeller). We used the propeller mounted in 1.5 inch and 2 inch PVC (...) (26 years ago, 15-Jun-98, to lugnet.robotics.handyboard)
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| | RE: Cheap air flow sensor
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Can someone forward the proper syntax to take me off of this listserv? Forward to massimj@usa.net Thanks Joe -----Original Message----- From: owner-robot-board@cm...l.navy.mil [mailto:owner-robot-...avy.mil]On Behalf Of Jonathan Swaby Sent: Monday, (...) (26 years ago, 15-Jun-98, to lugnet.robotics.handyboard)
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| | handyboard reset vector
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excerpt from torkin@uni-paderborn.de: (...) what do you mean by, "compile the code"? how do you compile the code using IC? or do you use the motorola assembler, AS11? thank you. Justin D. Gullotta.. , Engineer, Rensselaer Polytechnic Institute. (26 years ago, 15-Jun-98, to lugnet.robotics.handyboard)
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| | Re: Remote Controller Needed
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Thanks, you jogged my memory. I remember that one. I'll take my HB in and check it out. Thanks To: ipscone@halcyon.com Copies to: handyboard@media.mit.edu Subject: Re: Remote Controller Needed Date sent: Mon, 15 Jun 1998 11:08:57 -0400 From: "Fred (...) (26 years ago, 15-Jun-98, to lugnet.robotics.handyboard)
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| | Cheap air flow sensor
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Does anyone know of a cheap way to construct an air flow sensor? I was looking for an article in EDN on using a self-heated transistor to measure airflow, but Ican't find it. I was also wanting to know if there is a way to create a humidity sensor, (...) (26 years ago, 15-Jun-98, to lugnet.robotics.handyboard)
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| | Canadian robotics supplier
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I just found out about a Canadian supplier of hobby robotics in Canada. (URL) have robot kits, some good looking gearboxes (for those who have wrestled with making their own), L293 and L298 motor driver kits and other robotics goodies. This is of (...) (26 years ago, 15-Jun-98, to lugnet.robotics.handyboard)
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| | Re: Remote Controller Needed
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Casio used to make/maybe still makes a wristwatch-TV remote controller that did Sony. I have one and it works great. sorry don't have it handy to give you the model #.... fred In your message you said: (...) (26 years ago, 15-Jun-98, to lugnet.robotics.handyboard)
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| | Re: config 0x0C
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From: Alf Kuchenbuch <alfk@eikon.tum.de> (...) The 0x0C value represents EEPROM OFF, ROM OFF. A related question that I have is that I'm using the 811E2 and the hbdl program will only work if I use 0xFF. Which places EEPROM ON and at the upper most (...) (26 years ago, 15-Jun-98, to lugnet.robotics.handyboard)
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| | Remote Controller Needed
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I have a Sony IR Remote but it is a little large. I'm wondering if someone knows of a Remote Control Unit that is very small that will work with the sony-ir.icb code. I'm thinking maybe one the size of the ones used with camcorders but don't know (...) (26 years ago, 15-Jun-98, to lugnet.robotics.handyboard)
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| | r22 Code
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I am using a Sony IR and also use the sony-ir.icb code. But I am curious what is the r22 ir code for? I also understand that if I use the sony-ir that I should not use the r22 but I'd like to know what it is for anyway. (26 years ago, 15-Jun-98, to lugnet.robotics.handyboard)
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| | Re: HandyBoard Reset Vector
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(...) Hi! If you start the Handyboard (no bootstrap mode) it is in the 'special test' mode. So the start vector is located at $BFFE and $BFFF. In your assambly program use the following code: Start_vec ORG $BFFE FDB Program_Start where (...) (26 years ago, 15-Jun-98, to lugnet.robotics.handyboard)
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| | Re: Tone Functions
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yep, 5 kHz is about the top end of the HB's 6811 capability. going higher would require dedicating the 'hc11 to generating the tone and doing nothing else. why? interrupt routine overhead. takes a bunch of cycles to handle an interrupt. the tone (...) (26 years ago, 15-Jun-98, to lugnet.robotics.handyboard)
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| | Re: HandyBoard Reset Vector
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independent of IC, the HB fetches its reset vector at $bffe-$bfff. please see the FAQ about this: (URL) you, fred In your message you said: (...) (26 years ago, 15-Jun-98, to lugnet.robotics.handyboard)
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| | Tone Functions
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I have a problem with the tone functions. I tried each of the following: 1000 - 9000 Hz tones for 2 to 3 seconds. All work fine up to 5000 but 6000 and above have broken up sound. Can anyone explain why this happens? What is the fix? -- ---...--- (...) (26 years ago, 15-Jun-98, to lugnet.robotics.handyboard)
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| | HB Memory
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When pcode is downloaded to the Handy Board, how much memory space does it take up? I am a little concerned about having enough memory space for my programs. As I see it now, I think I may max out the 32KB. Does anyone have tips on how to concerve (...) (26 years ago, 15-Jun-98, to lugnet.robotics.handyboard)
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| | HandyBoard Reset Vector
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Hello again, I hope someone can help me out here. I want to run a standard assembly program on my HandyBoard without using IC. IC requires CONFIG=0x0C, which allows the reset vector to be fetched from external memory, instead of from $FFFE, $FFFF. (...) (26 years ago, 15-Jun-98, to lugnet.robotics.handyboard)
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