 | | Re: motor drivers
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-->Try Wriz electronics. I think their internet address is www.wriz.com Actually, it's Wirz Electronics (URL) you can check out (URL) this helps. --kam (URL) -->On Wed, 14 Apr 1999, Chen Yung Hsu wrote: --> -->> Hi! i'm looking for places that sell (...) (25 years ago, 14-Apr-99, to lugnet.robotics.handyboard)
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| | Re: how to
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Does anyone know what it takes to become an "official Handy Board distributor" of assembled boards? There are only two, and there ought to be three! Thanks, Gary Livick (URL) (25 years ago, 14-Apr-99, to lugnet.robotics.handyboard)
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| | Re: motor drivers
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Try Wriz electronics. I think their internet address is www.wriz.com (...) (25 years ago, 14-Apr-99, to lugnet.robotics.handyboard)
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| | Re: motor drivers
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Hi! i'm looking for places that sell DC motor drivers or H-bridges. if anyone knows of any please email me back. =) thanx chen (25 years ago, 14-Apr-99, to lugnet.robotics.handyboard)
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| | Re: More servo jitters...
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My HB is totally new, and I also have the "jitters". However, I have never Zap charged the unit. Although when we observed the jitters we were excessievly calling printf()... We more promenently noticed the jitters when running 2 9V motors (with (...) (25 years ago, 14-Apr-99, to lugnet.robotics.handyboard)
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| | 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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