 | | IC Bible?
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Where can I get the best IC manual there is? ___...___ Steve Wall Sir Sandford Fleming college Swall@flemingc.on.ca (25 years ago, 16-Jun-99, to lugnet.robotics.handyboard)
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| | Re: IC Bible?
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(...) Gray's List is pretty good. Gives you all known links to the semiconductor manufacturers, from which you can usually obtain data sheets in PDF format, or at least get contact info for the company and request databooks. (URL) Mills, WE7U (...) (25 years ago, 16-Jun-99, to lugnet.robotics.handyboard)
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| | Re: Expansion Board
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Did you initialize them? You have to issue the initialization command to turn them on. init_expbd_servos(ON) (where ON=1) init_expbd_servos(OFF) (where OFF=0) turns them off Then give the servo a positioning command. servo(x) = y (where x is servo (...) (25 years ago, 16-Jun-99, to lugnet.robotics.handyboard)
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| | Re: Expansion Board
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Did you try something like init_servo0(1) {I'm not sure I got the syntax correctly}. It enables the specifice servo output to function. ---...--- ericson mar Robotics Consultant mar@cooper.edu (212)353-4356 Department of Mechanical Engineering The (...) (25 years ago, 16-Jun-99, to lugnet.robotics.handyboard)
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| | Expansion Board
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Does anybody know how to get the expansions board servo outputs to work. I tried calling the function but I'm not sure if I have the correct programs loaded into the handyboard. (25 years ago, 16-Jun-99, to lugnet.robotics.handyboard)
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| | Re: Radio Modem
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Here is an nice summary of a variety of wireless data products: (URL) have used metricom modems to control robots and have had good success with them. They are not terribly inexpensive but work well and have a link budget sufficient to cover (...) (25 years ago, 16-Jun-99, to lugnet.robotics.handyboard)
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| | 6500 sonar
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Does anybody know where I can get the Texas Instrument TL851CN and SN28784N chips. I found some on the web but I had to order 50 of them at 3$ a piece. Does this mean that I have to order the Polaroid 6500 Ranging Module for 34$ through Acroname. (...) (25 years ago, 16-Jun-99, to lugnet.robotics.handyboard)
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| | motion sensor by eltec
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Hello all, Thank you for all of your kind help in the past. Here is another question that I hope is worthy of your time... I have a motion sensor purchased from Acroname (Eltec, I forget the part number). It works, as I had written a small program (...) (25 years ago, 16-Jun-99, to lugnet.robotics.handyboard)
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| | Radio Modem
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Hi, I'm looking for a radio modem or something like that, does anyone know where one -not very expensive- can be found ? Thanks Stefano (25 years ago, 16-Jun-99, to lugnet.robotics.handyboard)
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| | Re: Inductor
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Tuesday, 15th day of June, 1999, 12:41 AM, EST. Bart, You are right, but I also heard that HB is designed to take care of reverse emf WITHOUT a induction coil. The board is protected. -Satish. ---...--- Fortune cookie for the mail...generated (...) (25 years ago, 15-Jun-99, to lugnet.robotics.handyboard)
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| | Re: Inductor
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Denn: If I am not mistaken, and please correct me if I am wrong (anybody), but I think the inductor is in the circuit to protect the NiCd battery pack and rest of circuit against possible reverse electro-mechanical induction by the DC motors. Motor (...) (25 years ago, 15-Jun-99, to lugnet.robotics.handyboard)
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| | Inductor
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Hi, I see the HB circuit and found the 1uH that connect the GND Batteries and GND. I want to know the purpose of this inductor. Can I replace it with other value or not use it . Thanks (25 years ago, 15-Jun-99, to lugnet.robotics.handyboard)
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| | Re: about interrupt driven serial port input queue available for testing
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Just configure your Hyper terminal to use dirrect connection to COM 1 or 2 instead of the modem! (...) (25 years ago, 15-Jun-99, to lugnet.robotics.handyboard)
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| | about interrupt driven serial port input queue available for testing
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Thank you mat for your advice. But i coudn't under stand what should i do with the dial-up that is required for the hiperterminal connection. With out establishing a conection i can't use hyper terminal i guss. Could you please give some detailed (...) (25 years ago, 14-Jun-99, to lugnet.robotics.handyboard)
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| | Re: Question about interrupt driven serial port input queue available for testing
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raj, I assume you could use windoze Hyper-terminal. Matt -----Original Message----- From: raj k <robo_helpmate@yahoo.com> To: handyboard@media.mit.edu <handyboard@media.mit.edu> Date: 13 June 1999 00:35 Subject: Question about interrupt driven (...) (25 years ago, 14-Jun-99, to lugnet.robotics.handyboard)
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| | Re: Battery options?
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(...) Should work fine. If you use the "Zap" charge mode, make sure the NiCad's are designed to work on fast charging. Some are, some aren't. Also, make sure you buy them and dispose of them as a set. If you start mixing and matching NiCad's, you'll (...) (25 years ago, 14-Jun-99, to lugnet.robotics.handyboard)
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| | Battery options?
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I was wondering what are my options for the HB battery. Would it be possible for me to get 2 battery holders each carrying 4 cells each and fill them with regular NiCad cells say, The one's they have at radio shack? Would this be a viable options to (...) (25 years ago, 14-Jun-99, to lugnet.robotics.handyboard)
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| | Re: H-bridge
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I think that the Robot Store ( www.RobotStore.com ) sells a variety of H-Bridges. I had no problem wiring up my own LMD18200's , however! As a matter of fact, I obtained 2 LMD's for free from the Natinal Semiconductor Website through their sample (...) (25 years ago, 14-Jun-99, to lugnet.robotics.handyboard)
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| | Re: IRPD sensors
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Evan, Who is the supplier (manufacturer) of your board, and what is the part number? Gary Livick (...) (25 years ago, 14-Jun-99, to lugnet.robotics.handyboard)
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| | Re: serial
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Monday, 14th day of June, 1999, 12:32 AM, EST. On similar note, does anybody know how I can set up the baud rate on my Win 95 machine? -Satish. (...) (25 years ago, 14-Jun-99, to lugnet.robotics.handyboard)
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