 | | Wish list, or expansion possibilities...
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Hi, I am new to the handyboard area, having spent most of my project time with 68705 series uP's and 80X51's (done hate me.). Just tossing out some possibilities and not trying to down-play any other ideas that have preceeded me.... An expansion (...) (28 years ago, 23-May-96, to lugnet.robotics.handyboard)
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| | Re: PC serial connection
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(...) COM 2 is used by the modem card. I don't even know tyhough how to make COM 2 point to the slot I want, which is my initial problem anyways ( I need a 25-pin slot for the serial connection). Sincerely, Yoni Garbourg << To succeed, Atificial (...) (28 years ago, 22-May-96, to lugnet.robotics.handyboard)
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| | Re: Expansion interface status
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(...) You might want to note that the unexpanded HB is capable of driving a Polaroid sensor. The second motor chip is removed, and lines are plugged into different pins for the BINH and INIT signals, while the ECHO signal goes to the first digital (...) (28 years ago, 22-May-96, to lugnet.robotics.handyboard)
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| | Re: Expansion interface status
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Another thought, how about a series of expander boards. I know this could get really ugly, but, maybe Fred, and the normal HB distributors build what they see are appropriate for their customers, and others build what is appropriate for their (...) (28 years ago, 22-May-96, to lugnet.robotics.handyboard)
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| | PC serial connection
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Hi. I just got my hands on a new HB and I'm using a 100 MHZ DX PC. Hardware-wise, there's a perfect slot for the serial connection on my computer, which is not occupied. I hookes the serial connection to it and tried to download IC using COM port 4 (...) (28 years ago, 22-May-96, to lugnet.robotics.handyboard)
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| | Re: Expansion interface status
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(...) To Fred and others, I've been thinking about this off and on for over a year now, and since I now have parts I'll finally get my HBs into something more than just board status. Robots eat I/O pins for lunch. Sensors eat input pins and (...) (28 years ago, 22-May-96, to lugnet.robotics.handyboard)
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| | Re: Expansion interface status
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Do you think Scott Edward would consider selling just the processor? The expansion board could be made to accept Scott's processor or an unprogrammed one if someone had a different application. Which processor does he use anyway? The other thing (...) (28 years ago, 22-May-96, to lugnet.robotics.handyboard)
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| | Re: 6 servos and RS232...
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(...) From memory of my designer engineer days, the EIA RS232 specification quotes something along the lines of: logical level RS-232 level zero or idle -3V to +15V one +3V to -15V The spec gave maximum slew rates for signals and such specifics such (...) (28 years ago, 22-May-96, to lugnet.robotics.handyboard)
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| | RE: 6 servos
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You can hook it directly to a PC serial port. Here is the note on it: 1.Controls eight hobby (R/C) servos. 2.Opto input takes RS-232, -422,-485, CMOS and TTL. 3.Baud rate configurable for 2400 or 9600. 4.Addressable up to 32 controllers on one port. (...) (28 years ago, 22-May-96, to lugnet.robotics.handyboard)
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| | Re: 6 servos
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(...) Just to make sure it wasn't a typo...so, the TTL level is "ative low"? Also. Does the Scott Edwards board have the ability to be connected to a computer? or do you need a "TTL to RS232 converter"? (28 years ago, 22-May-96, to lugnet.robotics.handyboard)
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| | Re: Expansion interface status
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(...) Build a 68360 in the expander board, that'll get ethernet, and multiple SCI ports. All the IO anyone should ever need. :-). (28 years ago, 22-May-96, to lugnet.robotics.handyboard)
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| | RE: Expansion interface status
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While I welcome the small kits, they introduce interface issues for beginners, especially if there are multiple kits attached simultaneously - seems like this is a problem the expansion board should be solving rather than causing. The value I am (...) (28 years ago, 22-May-96, to lugnet.robotics.handyboard)
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| | FW: 6 servos
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RS232 is +12 and -12, but most serial ports can work correctly even if the signal is 3 to 5v. I regularly use 3 to 5v level serial signals. If you need to convert low voltage serial to RS232 specs, you can use a chip like Maxim's 232 - see (...) (28 years ago, 22-May-96, to lugnet.robotics.handyboard)
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| | Re: 6 servos
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(...) There are two types of serial voltages: TTL level and RS-232 level. The HB's serial interface board converts from TTL to RS-232 for communicating with the host computer. The Scott Edwards board accepts TTL levels, so an HB pin can drive it (...) (28 years ago, 22-May-96, to lugnet.robotics.handyboard)
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| | Re: 6 servos
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(...) Are the digital outputs at 5v high? I think you mentioned on the HB homepage about the serial interface converting RS232 levels at +12 and -12v to TTL levels (5v). I'm not that familiar with the nitty gritty of RS232 so this kinda puzzles me. (...) (28 years ago, 22-May-96, to lugnet.robotics.handyboard)
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| | Re: Expansion interface status
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(...) Yes. The current status is "on hold" while I rethink the feature set. I'm considering doing something more like Scott Edward's little servo board for HB expansion: that is, a collection of small, physically detached boards. For servo's, I (...) (28 years ago, 22-May-96, to lugnet.robotics.handyboard)
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| | Expansion interface status
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Does anyone know the current status of the expansion interface? My poor handy is at capacity for some i/o functions ;-( (28 years ago, 22-May-96, to lugnet.robotics.handyboard)
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| | FW: 6 servos
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This would be a very powerful enhancement to the handy-board. It would obviously allow easy communication between the HC11 and PIC boards. Since my application will use 2+ PICs in addition to the Handyboard, it would allow easy networking of all 3 (...) (28 years ago, 22-May-96, to lugnet.robotics.handyboard)
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| | Re: 6 servos
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This multiple servos thing is reaching FAQ status, and here is how I plan to deal with it. Scott Edwards Electronics sells a cheap ($30 kit, $45 assembled) servo board that drives 8 servos. You can gang them to get 32 servos or even more. The boards (...) (28 years ago, 22-May-96, to lugnet.robotics.handyboard)
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| | 6 servos
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Hi all, I want to build a six legged walking robot using the handyboard. I want to use 6 servo motors for that. I heard that the handyboard can only control 2 servos, but that there is a servo controller board which can control up to 32 servos, (...) (28 years ago, 22-May-96, to lugnet.robotics.handyboard)
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| | Re: So close, yet so far
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(...) But the hearbeat continues on the handyboard, and the software worked before I soldered the Futaba J connector on, hence my thinking that I hurt the board and caused a hardware failure. Could a hardware failure make the board crash at this (...) (28 years ago, 21-May-96, to lugnet.robotics.handyboard)
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| | Re: So close, yet so far
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This is almost certainly software. your i23o123.icb file is trashing the interrupt vectors and the board crashes. -f (...) (28 years ago, 21-May-96, to lugnet.robotics.handyboard)
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| | So close, yet so far
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AAaarghh. I soldered in the final connections for the outgoing pulse-trains from TOC2. I use the Handyboard to take in pulse trains on IC2 and IC3, massage the numbers, and output the massaged commands on OC2 and OC3. Only the signals go through the (...) (28 years ago, 21-May-96, to lugnet.robotics.handyboard)
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| | european handy board users census
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european handy board users, please send me an e-mail, i would like to ask you a few questions. ******** thanks in advance silvain pinot (living in france and wondering if yes or no he will build a handy board) (28 years ago, 21-May-96, to lugnet.robotics.handyboard)
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| | Re: your mail
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(...) Ghostscript for the Amiga is pretty unusable. I tried it quite a while ago, and got thoroughly sick of it. My solution was to start using my parents' Pentium. :-) (28 years ago, 20-May-96, to lugnet.robotics.handyboard)
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| | (no subject)
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(...) OK, take a look at (URL) installed a link for you. Also, did you know the IC manual is on the web? It is at (URL) I am not sure, but I would bet there is an implementation of GhostScript for Amiga. Check it out. This would let you view (...) (28 years ago, 20-May-96, to lugnet.robotics.handyboard)
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| | (no subject)
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Greetings! I am new to the handyboard, and am currently building my first robot. I am having a problem with docs.. I have icmanual.ps AND icmain.pdf.. The problem is that I am using an Amiga, and cannot read or decode either of these formats. Could (...) (28 years ago, 20-May-96, to lugnet.robotics.handyboard)
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| | Re: Digital Outs?
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(...) See the FAQ: (URL) Alternatively, are there any serial rs-232 facilities available on the (...) This would be easy to do; someone just has to write 6811 machine code to perform async serial out functions. you would be able to use any of the 4 (...) (28 years ago, 19-May-96, to lugnet.robotics.handyboard)
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| | Digital Outs?
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How can I set up digital outputs from the handyboard? I would like to drive 3 or 4 LEDs on my robot. Can I make the digital ins outputs? Alternatively, are there any serial rs-232 facilities available on the handy board other than one used for (...) (28 years ago, 18-May-96, to lugnet.robotics.handyboard)
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| | Re: IC problems, part II
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(...) (28 years ago, 18-May-96, to lugnet.robotics.handyboard)
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| | IC problems, part III!
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Alright, one more fun fact - the old shareware version of IC works fine, running under the Win 95 MS-DOS prompt. I think that eliminates any possibility of a hardware problem, meaning it's IC 3.1 at fault! Hbdl works fine as well, under Win 95. (...) (28 years ago, 18-May-96, to lugnet.robotics.handyboard)
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| | IC problems, part II
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Also, IC ctually _works_ if I'm downloading something with my internal modem. This is probably slowing down the transfers IC is making enough for them to work. Once the download stops, however, IC quits working again. Truly strange. (28 years ago, 18-May-96, to lugnet.robotics.handyboard)
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| | IC download errors
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Today, IC 3.1 has decided it no longer wants to communicate with my handy board. It detects the board, I select the Handy Board .icd file, and then it tries to download the default files to the board. However, it errors out on each retry, and gets (...) (28 years ago, 18-May-96, to lugnet.robotics.handyboard)
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| | IC for Win 95
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Has anyone heard of a release date for a new version of IC for Win 95? The bugs in the present beta are getting... irritating. Maybe I should write a $100 check to Newton Labs and see what happens, eh? :-) (28 years ago, 17-May-96, to lugnet.robotics.handyboard)
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| | encoders w/sonar?
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After I slap a Polaroid sonar module onto my robot, I'd like to add some shaft encoders. However, it appears that the shaft encoder routines and the sonar routines both use some of the same ports on the digital headers. Is it possible to use other (...) (28 years ago, 17-May-96, to lugnet.robotics.handyboard)
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| | Re: voltage regulator current rating
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(...) Is there any current going directly into GND from the LM2931Z-5.0? If so, would this cause any "extra" heat other than from the current the HB draws? -Eric (28 years ago, 16-May-96, to lugnet.robotics.handyboard)
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| | SPI Bus problem solved!!!!!!
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Hi-dee ho, I'm happy to report that I've successfully gotten a Handyboard to communicate to a Miniboard via the Synchronous Serial bus (SPI). The secret was (as I alluded to in my last post on the subject) setting the DDRD (Data direction for port (...) (28 years ago, 16-May-96, to lugnet.robotics.handyboard)
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| | Available J sockets on Hboard?
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Are there any unused sockets on the Handyboard? For example, the bottom 2 sockets in J6 look to be unused, and I could use a couple of sockets to bring out some signals. Now that the thing is assembled, it's difficult to follow traces on the top (...) (28 years ago, 15-May-96, to lugnet.robotics.handyboard)
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| | Thanks for all the replys on the L293D
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Thank you Best regards Jakob Lunderg (28 years ago, 15-May-96, to lugnet.robotics.handyboard)
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| | Re: Downloading without AC adapter
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(...) Yes. The interface will draw power from the HB's battery. Don't leave the HB plugged into the interface w/o the adapter for extended periods, because the interface will drain the HB's battery even if the HB is switched off. -Fred (28 years ago, 15-May-96, to lugnet.robotics.handyboard)
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