 | | Re: tracking an IR beacon
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I'm no electronic wizard which I think you probably would have to be to even consider what you are suggesting. Wouldn't it be simpler to just shield your sensors so that they 'look' in different directions? Have one look a little bit left and the (...) (27 years ago, 6-Dec-97, to lugnet.robotics.handyboard)
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| | new version of 6811 Downloader for Mac
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Hi all, The 6811 Downloader program was starting to be flaky under System 8, so I fixed an odd serial bug. More like a work-around, actually. Anyway, if you use this program, and it is starting to flake out on you, download the new version. It's at (...) (27 years ago, 6-Dec-97, to lugnet.robotics.handyboard)
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| | Re: High current speed controllers
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(...) Tom, Try this company , They have single and dual Forward/Reverse proportional speed controls for 4.8 - 140vdc at up to 220 amps and 3 hp. 500oz/in to 27 foot/pound packaged servos. I have a catalog from this company, great stuff but the price (...) (27 years ago, 6-Dec-97, to lugnet.robotics.handyboard)
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| | Short?
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Hi, U13 (voltage regulator) blew on my Handy Board, so I replaced it. Somehow I think I shorted out the polyswitch fuse(F1) and the voltage regulator (shorted the pins that are closest to eachother. Now if I plug my HB in, the BATT, PWR, motor 2, (...) (27 years ago, 6-Dec-97, to lugnet.robotics.handyboard)
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| | High current speed controllers
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Hello, I was wondering if anyone could recommend a speed controller circuit for controlling a 12VDC motor which could draw up to 25A. I'd like to use the Handy Board to control its speed. Cost is not a big concern but compactness is. I would (...) (27 years ago, 6-Dec-97, to lugnet.robotics.handyboard)
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| | tracking an IR beacon
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Hello all - My goal: I'm trying to determine the feasibility of tracking an IR source with my Handy Board. My initial scheme calls for using two IR detectors (the ones with all the internal filters, etc, to provide a clean 5V output upon detection (...) (27 years ago, 6-Dec-97, to lugnet.robotics.handyboard)
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| | PCBS IN THE UK
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RR> This is a note for people in the UK. I just ordered 2 sets of handy RR> board PCBs from Colin Barnard of Miranda Robotics. The boards RR> arrived quickly and appear to be good quality boards. In addition to this, as I've said a while back, (...) (27 years ago, 5-Dec-97, to lugnet.robotics.handyboard)
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| | IC 3.1 pcode sources
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(...) Hi all, The IC 3.1 pcode sources are available from: ftp://newtonlabs.com...code31.exe (win32 self-extracting archive) or ftp://newtonlabs.com...de31.tar.Z (compressed UNIX tar archive) If the general consensus is that the new PWM routines are (...) (27 years ago, 5-Dec-97, to lugnet.robotics.handyboard)
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| | Memory
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Does anyone know how to increase the handyboard memory above the standard 32K? I looked at the archives, but I didn't see any solutions. -Richard (27 years ago, 4-Dec-97, to lugnet.robotics.handyboard)
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| | Re: Smooth PWM Routines!
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Hi Does anyone know where to get the pcode source for IC 3.1 ? If I can get my hands on a copy it shouldn't be too difficult to work the new PWM routines into it.... Thanks Scott (27 years ago, 4-Dec-97, to lugnet.robotics.handyboard)
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| | Re: Smooth PWM Routines!
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(...) Was the pcode source for the final version of IC 3.1 ever released? Afaik, only pcode 3.1 beta is available. ---...--- Jeff Keyzer UCSD EE Major jkeyzer@ucsd.edu (URL) (27 years ago, 4-Dec-97, to lugnet.robotics.handyboard)
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| | Re: Smooth PWM Routines!
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(...) the pre-built pcode is for 2.8x, but sources are provided so someone could build a version based on 3.1. -Fred (27 years ago, 4-Dec-97, to lugnet.robotics.handyboard)
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| | Re: Smooth PWM Routines!
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Is this a replacement for the IC3.1 p_code, or just for IC2.8x? Jun Nolasco nolasco@inx.net (...) (27 years ago, 4-Dec-97, to lugnet.robotics.handyboard)
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| | Re: Replacement for ZTX614 NPN Darlington Transistor
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I just joined the list, and saw in the list archives the recent question about a replacement for the ZTX614 Darlington. On my Handy Board which just arrived from Patrick Hui, the supplier in Hong Kong, a few part substitutions had to be made, which (...) (27 years ago, 3-Dec-97, to lugnet.robotics.handyboard)
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| | Remove LCD?
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Is the Handyboard supposed to work with the LCD display removed? When we try that with our Handyboard, it just beeps repeatedly. Any ideas on why that might be happening? Is it possible to modify the software so that the LCD display can be removed? (...) (27 years ago, 3-Dec-97, to lugnet.robotics.handyboard)
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| | Smooth PWM Routines!
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Julian Skidmore <skidmorj@cs.man.ac.uk> has implemented and released a new algorithm for performing the pulse width modulation on the Handy Board's motors, allowing up to 100 power steps rather than just eight! This is a big, big improvement over (...) (27 years ago, 3-Dec-97, to lugnet.robotics.handyboard)
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| | Penn State Robot contest
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Hi, Penn State Abington College (Abington, PA; Phila area) will be hosting the 3rd annual "Robo-Hoops" autonomous robot contest on Sunday, Dec 7, 1997 (1-3pm). Robots must pick-up and dunk or shoot Nerf balls (4" diam) into a net positioned 12" (...) (27 years ago, 3-Dec-97, to lugnet.robotics.handyboard)
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| | Sortie Vidio
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Hello all, Can we used the video output to guide an extern system? Salut tous, Peut-on utiliser les sorties vidéos pour commander un système extérieur? Frechn Student... By (27 years ago, 2-Dec-97, to lugnet.robotics.handyboard)
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| | Re: IC with other boards
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(27 years ago, 2-Dec-97, to lugnet.robotics.handyboard)
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| | IC with other boards
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Is is possible to run the freeware IC with the BotBoard II? (How?) Also, what is the difference between the RugWarrior version of IC and the Handyboard version? -- Justin Kao <jkao@bigfoot.com> <jkao@compuserve.com> (27 years ago, 1-Dec-97, to lugnet.robotics.handyboard)
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