 | | Re: More servo jitters...
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Take a look here for an interesting looking servo controller: (URL) route you go, please post the results. - - - Nick - - - Will Bain wrote: <snip> (...) (25 years ago, 14-Apr-99, to lugnet.robotics.handyboard)
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| | Re: More servo jitters...
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(...) I doubt that the jitters are from zapping your battery. I get servo jitters, too, and I've never zapped my battery. I saw a suggestion on the list a while back that it has something to do with interference from the LCD printf routine. I plan (...) (25 years ago, 14-Apr-99, to lugnet.robotics.handyboard)
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| | Re: Converting .ASM to .ICB
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you use a special version of as11 that makes icb files. on the mac, there is a port by David Negro. look in the Software/Utils page of the HB site. Fred (...) (25 years ago, 13-Apr-99, to lugnet.robotics.handyboard)
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| | Converting .ASM to .ICB
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Hi, this is kind of urgent, but i need to know how compile (is this the write word of it?) an ASM file into an ICB file. Any help would be appreciated. Please note that I am working on a Mac platform but I normally do not use Macs. Thanks in (...) (25 years ago, 13-Apr-99, to lugnet.robotics.handyboard)
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| | Re: U12 on the Handyboard
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If you're prepared to order from the Uk, you can get it from www.Farnell.com It's a couple of quid. Matt -----Original Message----- From: Ravi Madhav K. Adatrao <ravia@dd254.comm.mot.com> To: handyboard@media.mit.edu <handyboard@media.mit.edu> Cc: (...) (25 years ago, 13-Apr-99, to lugnet.robotics.handyboard)
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| | Re: U12 on the Handy board.
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You can order the part directly from Dallas Semiconductors at (URL) ordered 10 last week for about $1.40/each (I think). --kam (URL) Tue, 13 Apr 1999, Ravi Madhav K. Adatrao wrote: -->Hi- --> --> I am not able to find DS-1233-10 (U12) for the handy (...) (25 years ago, 13-Apr-99, to lugnet.robotics.handyboard)
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| | More servo jitters...
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As a follow up to my nervous servo, it gets the shakes even when running as a single process. Ok, I confess... I recharged it on ZAP and fell asleep... Is it possible that either the servo or the HB was damaged by this in such a way as to give it a (...) (25 years ago, 13-Apr-99, to lugnet.robotics.handyboard)
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| | Re: help about part C3
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Does it have to be these parts? Can you put a few together or even use ceramic, polyester, etc? ---...--- ericson mar Robotics Consultant mar@cooper.edu (212)353-4356 Department of Mechanical Engineering The Cooper Union for the Advancement of (...) (25 years ago, 13-Apr-99, to lugnet.robotics.handyboard)
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| | U12 on the Handy board.
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Hi- I am not able to find DS-1233-10 (U12) for the handy board. If anybody knows where I could get it or even a good replacement for it, please inform me. Thanks, Ravi. (25 years ago, 13-Apr-99, to lugnet.robotics.handyboard)
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| | Fwd: Re: help about part C3
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replying to my own msg... (...) (that is, (...) in other words, (...) ok, so P6305-ND is the part i originally specified. sure enough, you can't find it online. but i found it in the latest print digikey catalog! (i didn't check that it was the same (...) (25 years ago, 13-Apr-99, to lugnet.robotics.handyboard)
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| | Re: help about part C3
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use Digikey P6305-ND or P5417-ND. both are 470 uF electrolytics, axial leads (that is, leads sticking out opposite ends) and are 16 mm long and 8 mm in diameter. in other words, they're the right value and they'll fit. F. (...) (25 years ago, 13-Apr-99, to lugnet.robotics.handyboard)
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| | help about part C3
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Can anyone tell me of a good place to get part C3 for the handy board?...DigiKey no longer has it or a replacement. -Jon Schuck (25 years ago, 13-Apr-99, to lugnet.robotics.handyboard)
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| | Has anyone an icb-routine for 9600b serial connection ?
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Hi, i used the serialio.c routines to establish a data connection between the Handyboard and a Linux PC and encountered the same problems already mentioned in the mailing list: 1) Only char by char transmission with sleeps between transmissions (...) (25 years ago, 13-Apr-99, to lugnet.robotics.handyboard)
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| | Re: Servo DEinitialization.
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Sorry. I'll reread the documentation. I was going by memory. Fred G. Martin Fred G. Martin (...) Ross Tonkens (25 years ago, 13-Apr-99, to lugnet.robotics.handyboard)
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| | Re: Servo DEinitialization.
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(...) as it says in the docs: init_expbd_servos(int action) If action is zero, servo control signals are disabled. If action is non-zero, servo control signals are enabled. Control signals are disabled by default every time the Handy Board is reset. (...) (25 years ago, 13-Apr-99, to lugnet.robotics.handyboard)
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| | Re: Servo DEinitialization.
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I'd go for the Coke can idea. Sounds like a surer shot. I thought init_expbd_servos(x), where x = integer from 0 to 5, was used to initialize the servos individually. Stupid me. I've been using init_expbd_servos(5), and, since I only had #5 hooked (...) (25 years ago, 13-Apr-99, to lugnet.robotics.handyboard)
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| | Re: Expansion Board Servo timing...
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Hi Doc, The function call "init_expbd_servos(0);" turns them off, "init_expbd_servos(1);" turns them on. Something like "servo5=2300;" commands a servo to a position, but only if the servos are initialized as per above. Maybe I used a confusing term (...) (25 years ago, 12-Apr-99, to lugnet.robotics.handyboard)
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| | Re: Desgning H-bridge
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The motor driver circuit is a bipolar push-pull current amplifier. It's really cheap, easy to build and works well with the Tamiya motor/gearbox kits available from (URL) or (URL) I'm sure it has its limitations, but works for small robot projects. (...) (25 years ago, 12-Apr-99, to lugnet.robotics.handyboard)
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| | Re: Expansion Board Servo timing...
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How do you "de-initialize" a sevo? I am only familiar with the init_expbd_servos(x) command and with reassigning the servo(x) global variable to effect servo repositioning. Ross M. Tonkens, M.D. Medical Director Primary Care of Nevada 100 North (...) (25 years ago, 12-Apr-99, to lugnet.robotics.handyboard)
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| | Re: Expansion Board Servo timing...
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(...) I don't know about the servo routines on the HB, but servos *do* start to jitter when the pulses get much below about 20Hz. This is not due to the pulse width 'fluctuating', it's because the refresh rate is dropping. It certainly is possible (...) (25 years ago, 12-Apr-99, to lugnet.robotics.handyboard)
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| | Re: Desgning H-bridge
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(...) Kam has a design at: (URL) (25 years ago, 12-Apr-99, to lugnet.robotics.handyboard)
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| | Re: H-bridge
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I am currently in search of H-bridges (DC motor drivers) I tried visiting wirz electronics but they aren't in business right now. does anyone know of any other places i can check out? =) thanx Chen (25 years ago, 12-Apr-99, to lugnet.robotics.handyboard)
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| | Expansion Board Servo timing...
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How sensitive are the exp bd servo routines to many processes running concurrently. My servo works fine in a stand alone test file but when I include it in my main code it gets the "nervous shakes", as if the timing pulse is fluctuating ( I don't (...) (25 years ago, 12-Apr-99, to lugnet.robotics.handyboard)
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| | Re: Expansion Board Servo timing...
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Drew- I have a Handy Board on a robot that runs three servos and the GP2D02 sensor, and I have the same nervous jitters problem. However, I do not run any processes on this application. I am using IC under v 3.2 of the software, so I could use (...) (25 years ago, 12-Apr-99, to lugnet.robotics.handyboard)
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| | Re: Rangingproblems with Sharp GP2D02
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(...) I'm looking at the Sharp data sheet, and they have a chart that shows decimal distance measuring output vs distance to object in centimeters, and they indicate the minimum reading to be around decimal 59 to 64 depending on object reflectivity. (...) (25 years ago, 12-Apr-99, to lugnet.robotics.handyboard)
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| | Re: Desgning H-bridge
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Another great source for h-bridge design if (URL) It gives details on how to build a PIC based motor controller, but more importantly, it has a great h-bridge schematic. Be sure to check it out. ---...--- Brian Schimpf schimpfy2@aol.com (25 years ago, 12-Apr-99, to lugnet.robotics.handyboard)
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| | Rangingproblems with Sharp GP2D02
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Hi all I just finished rewriting the GP2D02 routines by Kent. Seems all to work just fine....except that I don't get readings below around 55. Even if I don't have anything in front of the sensor (dist. to wall more than 2m) I never get a reading of (...) (25 years ago, 12-Apr-99, to lugnet.robotics.handyboard)
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| | Re: Desgning H-bridge
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Hey Ericson, Check out the following sites for motor control information: (URL) under motor control Hope this helps, good luck! --kam (URL) Mon, 12 Apr 1999, MAR ERICSON wrote: -->Where can we get info in designing H-bridges from descreet (...) (25 years ago, 12-Apr-99, to lugnet.robotics.handyboard)
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| | Desgning H-bridge
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Where can we get info in designing H-bridges from descreet components? Is it sufficient to use just four MOSFETs or just four solid state relays? Thanks for any input. ---...--- ericson mar Robotics Consultant mar@cooper.edu (212)353-4356 Department (...) (25 years ago, 12-Apr-99, to lugnet.robotics.handyboard)
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| | Re: Smooth PWM for IC3.2?
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(...) This problem is the only reason why I'm not buying the commercial version of IC. I'd buy in an heartbeat if *all* the code running on the handy board was available. Until then I stick with the free version. So far I've modified my pcode at (...) (25 years ago, 12-Apr-99, to lugnet.robotics.handyboard)
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| | Re: GCC/HC11 small patch
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(...) I added his patch into my patch and it is now available for download: ftp.eskimo.com/u/a/a...est.tar.gz I've also updated the readme to include the latest copyright information (everyone released it under the GNU Public License), and included (...) (25 years ago, 12-Apr-99, to lugnet.robotics.handyboard)
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| | Re: Increasing current output to motors on HandyBoard
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Actually, if you have been following this thread, there are several ideas that have come up, including the solid state relay (reliable, high current, but SPST, moderate cost ), transistor to up the current(reliable, mded current, low cost, but (...) (25 years ago, 12-Apr-99, to lugnet.robotics.handyboard)
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| | HB_IR.C: which ports?
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Hi everybody, I'm experimenting with Kent Farnsworth's program for IR detection (files hb_ir.c and hb2_ir.icb). In Kent's program there is a function ir_counts(integer argument), where the argument can have the value 4, 5, 6 or 7. I've found that (...) (25 years ago, 11-Apr-99, to lugnet.robotics.handyboard)
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| | Smooth PWM for IC3.2?
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Hi everybody, I have IC3.2 and want to use the smooth PWM functions. I've already adapted my lib_hb.c file. If I use the pcode_hb.s19 file adapted for smooth PWM (downloaded from Fred Martin's site), everything works ok, only I end up with IC2.8! (...) (25 years ago, 11-Apr-99, to lugnet.robotics.handyboard)
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| | part C3????
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I need a reliable easy source to purchase part C3 online...digikey says it's obsolete and they have no substitute. Can anyone help??? -Jon (25 years ago, 11-Apr-99, to lugnet.robotics.handyboard)
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| | Re: Increasing current output to motors on HandyBoard
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Hi, Anyone know where I can purchase a commercial unit that I can operate automobile starter type relays from the COMOS outputs on the handyboard expansion board? only 5 mA per output. Or would it be eaiser to fabricate? I don't want to damage the (...) (25 years ago, 11-Apr-99, to lugnet.robotics.handyboard)
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| | Re: multitasking
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(...) The subroutines continue execution exactly where they left off, making the multitasking transparent to you. You normally shouldn't have to give any thought to how many ms each one gets. If timing is important to you for some reason and the (...) (25 years ago, 11-Apr-99, to lugnet.robotics.handyboard)
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| | multitasking
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I have a simple question regarding multitasking. I am using two subroutine in a multitasking. start_process(ir()); start_process(detect()); Both subroutine should run for 5 ms(default). Consider an example that the subroutine detect() require more (...) (25 years ago, 11-Apr-99, to lugnet.robotics.handyboard)
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| | Re: Increasing current output to motors on HandyBoard
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Total cost for both, $56.00. Smaller ones are cheaper. Again, the advantage is convenience, not cost. These pulg right into the motor driver output ports on either the Handy Board or the Rug Warrior with the L293D left in place, and take no other (...) (25 years ago, 10-Apr-99, to lugnet.robotics.handyboard)
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| | Re: Quick troubleshooting help please!!!!
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I would also check the circuit traces. Clip an ohm meter to the battery ground and check all the ground points, then do the same for +battery. Take a magnifying glass to the traces you can see. Look for places where the smoke got out. Once the (...) (25 years ago, 10-Apr-99, to lugnet.robotics.handyboard)
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| | Re: Increasing current output to motors on HandyBoard
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So that's like $28 for the H excluding the protecting circuitry? How much did this setup cost for both motors? ---...--- ericson mar Robotics Consultant mar@cooper.edu (212)353-4356 Department of Mechanical Engineering The Cooper Union for the (...) (25 years ago, 10-Apr-99, to lugnet.robotics.handyboard)
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| | Re: Increasing current output to motors on HandyBoard
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Howdy, My original suggestion was to use *solid state* relays. They don't have any contacts. I use them plugged right into my Rug Warrior board at the motor output ports (would work the same on my Handy Board, but I have it on a smaller base, and (...) (25 years ago, 10-Apr-99, to lugnet.robotics.handyboard)
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| | Re: Increasing current output to motors on HandyBoard
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Haven't actually tried it, but I was thinking of the same sort of thing. Use a FET for PWM and a DPDT relay for direction. practically speaking, if you only switched the relay when the FET was off, no power transition, etc.... If your 'bot moves (...) (25 years ago, 10-Apr-99, to lugnet.robotics.handyboard)
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| | GCC/HC11 small patch
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I contacted the original person who did the HC11 port to gcc (Otto Lind), and he pointed me to a patch for it. If you're using gcc-2.8.1 with the HC11 patches in it, you may want to try this: At line 502 of config/m6811/m6811.c, change from: { (...) (25 years ago, 9-Apr-99, to lugnet.robotics.handyboard)
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| | Re: GCC 2.8.1 for HC11
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(...) You can have a copy of mine if you like. You can relocate it to any available digital ports with ease. It is set up for a single sensor, but you can easily add as many as you have ports for. (...) For people using the Handy Board in small (...) (25 years ago, 9-Apr-99, to lugnet.robotics.handyboard)
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| | Re: GCC 2.8.1 for HC11
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(...) I think I'm in the process of writing up such a document. Combined with Fred's guide to programming the 6811 (which covers the miniboard nicely), hopefully this will fill the gap. (...) And using IC libraries works well, up until you have a (...) (25 years ago, 9-Apr-99, to lugnet.robotics.handyboard)
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| | Re: GCC 2.8.1 for HC11
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(...) You have to get good at reading schematics in this case, period. Schematics are very hard to read at first, but it does get easier quickly. If someone were to write up details on how to access various devices on the Handyboard though (...) (25 years ago, 9-Apr-99, to lugnet.robotics.handyboard)
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| | Vesit rover
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Dear friends, You know that we at Vesit, Bombay were making a rover using the handy board. Learn more about it at (URL) sincerely, Nitin (25 years ago, 9-Apr-99, to lugnet.robotics.handyboard)
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| | Re: Multi-Processing
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Dear Kat, Try using music.c that I had downloaded and I have sent as an attachment.This file cantains functions which play music on the piezobeeper. Yours sincerely, Nitin (...) (25 years ago, 9-Apr-99, to lugnet.robotics.handyboard)
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| | Re: PCB coating
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First use TINNIT Bright Tin Plate No. ER18 (cheap and does the job) available at Circuit Specialists and Jameco. A better tin plate already mixed can be found at JDR Micro Devices. Then use M.G. Chemicals Conformal Coating which is a flexible (...) (25 years ago, 9-Apr-99, to lugnet.robotics.handyboard)
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| | Re: interactive C
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Dear Stefano, Visit el.www.media.mit.edu...index.html to find about the needed software. Mostly you will be needing ic.exe and some library files. You may need a new pcode. Yours sincerely, Nitin (25 years ago, 9-Apr-99, to lugnet.robotics.handyboard)
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| | power supply questions
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Hello all, I want to power the handy board using the 250watt 12V 9amp power supply of a PC. Any suggestions as to what I should take into consideration before attempting this. A buffer? A fuse? A straight hook up? Why is the HB not supposed to be (...) (25 years ago, 9-Apr-99, to lugnet.robotics.handyboard)
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| | Re: GCC 2.8.1 for HC11
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|
(...) My favorite 68HC11 text resource is: 68HC11 Microcontroller by Joseph D. Greenfield Amazon Price: $87.50 (Wow! I'm sure I didn't spend nearly this much when I bought mine 3 years ago...) The sections on using the 68HC11 timers for interrupts, (...) (25 years ago, 9-Apr-99, to lugnet.robotics.handyboard)
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| | Re: Increasing current output to motors on HandyBoard
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I wonder if this would last since a relay is mechanical and I would assume that it would wear with all that "switching". Doe anyone have any experience with this? Thanks. ---...--- ericson mar Robotics Consultant mar@cooper.edu (212)353-4356 (...) (25 years ago, 9-Apr-99, to lugnet.robotics.handyboard)
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| | Re : -> Interactive C
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You help has been really useful, i'm going to visit thi slink immediately! Stefano Falconetti (25 years ago, 9-Apr-99, to lugnet.robotics.handyboard)
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| | Re: interactive C
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I'll follow your suggest, thanks for the time you gave me. It has been very useful! Stefano ---...--- (...) (25 years ago, 9-Apr-99, to lugnet.robotics.handyboard)
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| | Re: Increasing current output to motors on HandyBoard
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|
Another solution to this which is easier but more expensive is to use the output of the motor driver chip to drive solid state relays. You need the relays that use 5 volts for control and that will switch DC. The relays I use have flyback diodes in (...) (25 years ago, 9-Apr-99, to lugnet.robotics.handyboard)
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| | Re: Increasing current output to motors on HandyBoard
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(...) Stacking the chips is doable but you will toast them when you get near their current limit. An easier solution is to use the TI chips to drive power transistors that are acting as voltage followers. This lets them take the current. (...) (25 years ago, 9-Apr-99, to lugnet.robotics.handyboard)
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| | Increasing current output to motors on HandyBoard
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|
I am looking to drive a radioshack motor off my HB. Its rated at 9V - 18V. It claims that at maximum efficiency it will draw 1.98 Amps. My HB uses the TI sn754410ne motor controller and is rated only up to 1 amp. If i replace this unit with a L293b (...) (25 years ago, 9-Apr-99, to lugnet.robotics.handyboard)
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| | Re: Sensor Question
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(...) I use both and infrared ranging sensor and sonar. I have them both mounted on rotating bases. If you plan to do some serious work with your application, then you might find this approach a little difficult. The reason is that if your robot is (...) (25 years ago, 9-Apr-99, to lugnet.robotics.handyboard)
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| | Sensor Question
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Hi, Just a quick question...What would be most effective ? An array of sensors (IR or sonar), or a single sensor on a continuously rotating base (assume 1 rotation every 2 secs...) ? Could someone here explain me the main functional differences of (...) (25 years ago, 9-Apr-99, to lugnet.robotics.handyboard)
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| |
| | Re: GCC 2.8.1 for HC11
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The problem I have isn't programming the HC11. I picked that up with no problem by spending a day reading Motorola's reference manual (AKA the pink book - kindly provide free by Motorola via their web page). I've got a software background, and while (...) (25 years ago, 8-Apr-99, to lugnet.robotics.handyboard)
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| | Re: GCC 2.8.1 for HC11
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(...) I've been through Charles Hacker's Buffalo monitor code, the Miniboard GCC & ICC libraries, the Handyboard ICC libraries, and a few other sources, and looked at the schematics and data books a lot. That's the best way to get intimately (...) (25 years ago, 8-Apr-99, to lugnet.robotics.handyboard)
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| | Re: GCC 2.8.1 for HC11
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|
Keith, I have a reference for you. It is "Microcomputer Engineering," 2nd ed. by Gene H. Miller. You can get it from one of the online book sellers, like amazon.com. It is around $85 or so. In this text is the whole range of things having to do with (...) (25 years ago, 8-Apr-99, to lugnet.robotics.handyboard)
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| | Multi-Processing
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Hello all- I am using my Handy Board on a robot. My team and and I thought it would be really cool if we could get it to play music while it is moving. Is there a way to do this? In my testing it seems that it only does one or the other. If anyone (...) (25 years ago, 8-Apr-99, to lugnet.robotics.handyboard)
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| | Re: GCC 2.8.1 for HC11
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I've taken a look at Chuck's LCD code, and I agree that it's the best I've come across. I spent last weekend studying how to program the HB in assembly. There is a woeful lack of documentation for it. There is plenty of docs on programming in IC, (...) (25 years ago, 8-Apr-99, to lugnet.robotics.handyboard)
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| | Re: GCC 2.8.1 for HC11
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|
(...) I took the assembly routine out of the ICC11 library and adapted it slightly for GCC (input/output params mostly). I had to split up the assembly and C-code portions into separate files, and have the lcd.h/lcd.c/lcdasm.s files ported and (...) (25 years ago, 8-Apr-99, to lugnet.robotics.handyboard)
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| | Re: GCC 2.8.1 for HC11
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(...) ... (...) Curt, may I suggest that rather than re-invent the wheel you take the LCD code out of the Handyboard libraries I wrote that are on the icc11 site. They should pretty much compile out of the box and I know they work :-) They are also (...) (25 years ago, 8-Apr-99, to lugnet.robotics.handyboard)
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| | interactive C
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Hi, I'm new to 6811 and I've a board that is different from the handyboard. I'd like anyway to try interactive C. Who can explain me how many interesting things I can do with 32Kb of interactiove C code ? What I need ? And where can I find all the (...) (25 years ago, 8-Apr-99, to lugnet.robotics.handyboard)
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| | Re: GCC 2.8.1 for HC11
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The GCC Miniboard library -plus- LCD routines are almost completely ported to the Handyboard. The LCD routines started playing nicely early this morning but I haven't added the low-level stuff into the timer interrupt yet. I can now write characters (...) (25 years ago, 8-Apr-99, to lugnet.robotics.handyboard)
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| | Re: PCB coating
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(...) Hi Clancy, there are tinning compounds (for use prior to soldering) but I've always just sprayed it with clear lacquer (after soldering). Keeps the copper from oxidizing... Cheers, Duncan (25 years ago, 8-Apr-99, to lugnet.robotics.handyboard)
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| | PCB coating
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I have been making my own PCBs and would like to coat the copper side with something to keep the copper in good shape, does anyone have any suggestions?. Thanks, Clancy (25 years ago, 8-Apr-99, to lugnet.robotics.handyboard)
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| | array of sharp IR range sensors
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khi, i;d like to pass the following idea around here to see what you guys think. the idea is to use the same clock for an array of several (say 6) of the sharp sensors. the idea is to wait until all of them are responded that are ready to go and (...) (25 years ago, 8-Apr-99, to lugnet.robotics.handyboard)
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| | Re: PCB coating
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(...) I would think a coat of lacquer would do pretty good. It could be colored or clear. If you are making multiple boards you could probably even use a small screen print system to apply it. Mike (25 years ago, 8-Apr-99, to lugnet.robotics.handyboard)
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| | Re: Use of sony-ir functions in program
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(...) There is some sample code for using irdata(); in the sonytest.c file. Basically it needs to be put in a loop so that it will refresh the value for the received code. Hope this helps, Duncan (25 years ago, 7-Apr-99, to lugnet.robotics.handyboard)
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| | 1. Use of sony-ir functions in program; 2. smooth PWM
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Hi everybody! My first question is about using the sony-ir functions in a program: After loading sony-ir.icb and executing "sony_init(1)" at the IC prompt, I can successfully retrieve signals from my sony remote control via the function (...) (25 years ago, 7-Apr-99, to lugnet.robotics.handyboard)
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| | Hack for gearmotors sold by Acroname
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Hi, The SOHO gear motors sold by Acroname have a high gear ratio and are too slow for what I needed (189:1 or something). The front gear cover is removable with two screws and one on the gears (there are 4 metal gears in addition to the small (...) (25 years ago, 6-Apr-99, to lugnet.robotics.handyboard)
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| | Need info PLEASE
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Hi, I have looked around on the mailing list and have not found anything that will answer this question.... I have an expansion board and want to use a 12v 2amp source for my motors. The hack listed in the FAQ is only for use on a handy board only, (...) (25 years ago, 6-Apr-99, to lugnet.robotics.handyboard)
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| | HB encoders question
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Can the HB measure encoder pulses faster than 1 kHz? (this is the speed of the system interrupt) Assume we have an encoder that does 500 pulses per revolution. What happens when we exceed 2 revolutions per second? What happens if the encoder has two (...) (25 years ago, 6-Apr-99, to lugnet.robotics.handyboard)
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| | Re: Quick troubleshooting help please!!!!
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Did you destroy the battery pack? There is an embedded temperature fuse that will blow if you try to charge it too fast or accidently short the battery. With no power applied have a look at the voltage on the battery terminals (you can get to them (...) (25 years ago, 6-Apr-99, to lugnet.robotics.handyboard)
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| | Counting pulses
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Could any one point me in the right direction for information on calculating frequency using the handyboard, Thanks Keith (25 years ago, 6-Apr-99, to lugnet.robotics.handyboard)
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| | Quick troubleshooting help please!!!!
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Hey, Two weeks before we present our project and the HandyBoard got fried!!! Ahhh! Oh well, hopefully someone can help us identify the problem. The board seems to work fine as long as its getting power through the RS-232 connection. Once this is (...) (25 years ago, 5-Apr-99, to lugnet.robotics.handyboard)
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| | Re: mailing list archive site
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(...) This is a great idea, Jeff! From all of us, thanks. Duncan (25 years ago, 5-Apr-99, to lugnet.robotics.handyboard)
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| | GCC: Status
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It looks like at least three of us were playing with gcc-2.8.1 over the weekend. The GCC Miniboard library is now mostly ported over to the Handyboard, and the ICC11 LCD routines are almost done being ported over. I couldn't test out the motor (...) (25 years ago, 5-Apr-99, to lugnet.robotics.handyboard)
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| | Config register and E9/E1 processor
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Are there any tools for programming the E9/E1 config registers from Linux or NT? I don't have a DOS or Win95 machine handy at the moment, and I remember that the download program for the hc11E processors must be a little different. I can't get DLM (...) (25 years ago, 5-Apr-99, to lugnet.robotics.handyboard)
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| | Re: Using both Sharp GP2D02 and Polaroid 6500 -Reply
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I have a Rug Warrior fitted with the Polaroid 6500 sonar, and a Handy Board that uses the GP2D02 sensor. Both applications use a servo for aiming. On the Handy Board site, the libraries have been altered to support the GP2D02, but I did my own (...) (25 years ago, 5-Apr-99, to lugnet.robotics.handyboard)
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| | Obstacles avoiding -Reply
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The idea behind a reactive (behavior based) architecture of a Rug Warrior robot is essentially stateless. You may want to add some kind of schedule or activation layer (process ) that enables the low level behaviors based on some type of state or (...) (25 years ago, 5-Apr-99, to lugnet.robotics.handyboard)
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| | Using both Sharp GP2D02 and Polaroid 6500 -Reply
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I posted a message asking IF any one had timing issues using the 6500 and the GP2D02 but never received a response. My concern is running the sonar, IR and encoder routines concurently as seperate processes. Will IC be able to keep up??? Some (...) (25 years ago, 5-Apr-99, to lugnet.robotics.handyboard)
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| | mailing list archive site
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Hello all - I have created a website to archive the traffic generated on the Handy Board mailing list. It is currently not updating in real-time, but will start updating automatically as soon as Fred gets back and adds my second address to the (...) (25 years ago, 5-Apr-99, to lugnet.robotics.handyboard)
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| | Re: Mounting the handyboard
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Matt Grob Matt Grob (...) True, but you can make a sort of rigid cradle for it out of angle beams with tiny pulleys with "tires" around them at each corner: O O \ / \___...___/ side view |---...---| = | | = <--small pulleys with "tires" | | | | | | (...) (25 years ago, 5-Apr-99, to lugnet.robotics.handyboard)
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| | Re: Data Sheets
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(...) for (...) 32k (...) What I meant to say was compiled. sorry. (25 years ago, 5-Apr-99, to lugnet.robotics.handyboard)
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| | Re: Mounting the handyboard
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I've used velcro. You can buy long rolls of it at Walmart I think. ---...--- (...) (25 years ago, 5-Apr-99, to lugnet.robotics.handyboard)
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| | Re: Mounting the handyboard
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You usually take a glue gun and glue some kind of mounting device (in my case legos). to the red plastic part. -peter (...) (25 years ago, 5-Apr-99, to lugnet.robotics.handyboard)
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| | Mounting the handyboard
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I am using the handyboard from Gleason Research. It works very well. Only problem is there is no obvious way to mount it rigidly into a robot. No mounting holes or brackets. What have others done? -Matt Grob (25 years ago, 5-Apr-99, to lugnet.robotics.handyboard)
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| | Obstacles avoiding
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Hello, I would like to know if there is anyone who has a good idea to avoid obstacles in a intelligent way. I've build a Rugwarrior robot. My robot has two IR proximity detectors (in front) and four bump switches (one on each side). If you simple (...) (25 years ago, 4-Apr-99, to lugnet.robotics.handyboard)
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| | Using both Sharp GP2D02 and Polaroid 6500
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Has anyone set up a handyboard with an expansion board which uses both the Sharp GP2D02 infrared sensors and the Polaroid 6500 sonar device without any conflict? A previous mailing stated a person having a timing conflict between the two different (...) (25 years ago, 4-Apr-99, to lugnet.robotics.handyboard)
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| | Polaroid 6500
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I have a question a bout a part on the polaroid 6500 sonar device. I burned out a particular part on it -- Q1, the C3279. Mouser has a part number 620-2SC3279 which is a Japanese (JIS) transistor TO-92 NPN Poower Amp which sounds just like the part (...) (25 years ago, 4-Apr-99, to lugnet.robotics.handyboard)
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| | [OT] Re: GCC 2.8.1 for HC11
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(...) I would really like to try it out on my EVB. I'm using the C.A. back end right now. I use Unix because reboots are for hardware upgrades... # rsh -l God universe.all find / -name '*windows*' -exec rm -rf {} \; (25 years ago, 4-Apr-99, to lugnet.robotics.handyboard)
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| | Data Sheets
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Hi Guys, has anyone complied the data sheets to the individual HB parts. Please let me know if you have. I having trouble finding the data sheets for the panasonic made capacitors and piezo buzzer and the hitachi lcd and 32k sram. Oh and if anyone (...) (25 years ago, 4-Apr-99, to lugnet.robotics.handyboard)
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| | HB Encoders capabilities? (correction!)
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Can the HB measure encoder pulses faster than 1 kHz (not 1 Mhz like in the previous message: this is the speed of the system interrupt)? Assume we have an encoder that does 500 pulses per revolution. What happens when we exceed 2 revolutions per (...) (25 years ago, 3-Apr-99, to lugnet.robotics.handyboard)
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