 | | RE: GP2D02?
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Has anyone found a source for the GP2D02? -----Original Message----- From: Lewis Patterson [mailto:lewis@bsc.edu] Sent: Wednesday, January 06, 1999 1:13 PM To: handyboard@media.mit.edu Subject: GP2D02? If anyone who has successfully interfaced the (...) (26 years ago, 7-Jan-99, to lugnet.robotics.handyboard)
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| | supplier for Sharp IS1U60 infrared demodulator
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Hello Folks- A couple of months ago I built a HB with the exception of one part... U15 (Sharp IS1U60 infrared demodulator) ... I now have the need. I am looking for the info for a supplier or individual that will sell a small number(2). I'm in the (...) (26 years ago, 7-Jan-99, to lugnet.robotics.handyboard)
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unsubscribe Thierry VOINIER CNRS-LMA-IM 31, Chemin Joseph Aiguier 13402 Marseille France Tel : 04 91 16 44 73 Fax : 04 91 22 08 75 E-mail : voinier@alphalma.cnrs-mrs.fr (URL) (26 years ago, 7-Jan-99, to lugnet.robotics.handyboard)
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| | RE: GP2D02?
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I own an handy-board now for 2 months and I have now 2 GP2D02 connected to it. (took me 1 hour to hook them up and test) You need a digital output-pin(like one off the spi-pins) or make use of the expansion-board, which has digital outputs. I (...) (26 years ago, 7-Jan-99, to lugnet.robotics.handyboard)
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| | Position Control Question ?
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Hi Everybody Through reading every day e_mails, I have been led to beleive that I have to be carefull in choosing a servo motor brand, so could any body help me in choosing a servo for my application which is a position control,I mean a ref. and a (...) (26 years ago, 7-Jan-99, to lugnet.robotics.handyboard)
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| | Re: Type conversion IC.
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I don't have IC handy, but you should just be able to do a hard cast. float aFloat = 1.3; int anInteger = 0; anInteger = (int) aFloat; /*cast the float to an int */ /*you can also do it in a function call*/ FuntionTakesAnInt( (int) aFloat ); Hope (...) (26 years ago, 7-Jan-99, to lugnet.robotics.handyboard)
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| | type conversion
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Hi to all And HAPPY NEW YEAR. I have a question. How can i convert a floating variable into a integer variable? I must send via serial line the result of the functions SECONDS(). Thank Federico E-mail:fedsante@tin.it (26 years ago, 6-Jan-99, to lugnet.robotics.handyboard)
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| | Type conversion IC.
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Hi to all And HAPPY NEW YEAR. I have a question. How can i convert a floating variable into a integer variable? I must send via serial line the result of the functions SECONDS(). Thank Federico E-mail:fedsante@tin.it (26 years ago, 6-Jan-99, to lugnet.robotics.handyboard)
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| | Re: Handyboard power supply
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what is the amp-hour rating of each cell. standard AA rechargables are 500 to 800 mAh. if your cells are significantly different than this, the charging might not work properly. generally though i don't see too many probs with this. you might need (...) (26 years ago, 6-Jan-99, to lugnet.robotics.handyboard)
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| | GP2D02?
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If anyone who has successfully interfaced the GP2D02 to the Handyboard would share that knowledge with the less experienced, it would be greatly appreciated. Thanks! (26 years ago, 6-Jan-99, to lugnet.robotics.handyboard)
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| | Re: using external batteries
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the label on the diagram says "cut motor trace here" with an arrow that points to a dark band. if you look at your HB, it won't have a dark band. that's where you need to cut. slice through the green-coated trace where that dark band on the picture (...) (26 years ago, 6-Jan-99, to lugnet.robotics.handyboard)
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| | using external batteries
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dear readers and fred, i read the instructions on the website on how to use external battaries. the problem is: - in the website, i couldnt see the copper trace properly which we need to cut in order to use the external batteries port. could any one (...) (26 years ago, 6-Jan-99, to lugnet.robotics.handyboard)
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| | Re: servo help
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try running the servo off of a separate power supply; e.g., 4 AA cells. you'd connect the servo red wire to the battery + lead, the servo black wire to the battery - lead, and also connect the battery - lead to the HB motor ground. in general it is (...) (26 years ago, 6-Jan-99, to lugnet.robotics.handyboard)
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| | Re: INTERACTIVE C
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We have developed a library of functions so that one can write HB-style code and run it either on the HB or compile it with the library and run it on a PC. It hasn't been thoroughly debugged, but works consistently (There are some timing issues that (...) (26 years ago, 6-Jan-99, to lugnet.robotics.handyboard)
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| | Interrupt Request line
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Hi all, Does anyone know how to get a the interrupt line on the handyboard. Been looking at the documentation, and was a bit surprised that the interrupt was not available. Am I missing something? Charles Hacker Lecturer in Electronics, Computing (...) (26 years ago, 6-Jan-99, to lugnet.robotics.handyboard)
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| | Trinity Fire-Fighting Contest
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Has anyone built robots for the trinity fire-fighting contest. I would like to hear your design and what kind of major problems that you encountered in building it. A website would be great. The reason for my interest is that I need to include any (...) (26 years ago, 6-Jan-99, to lugnet.robotics.handyboard)
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| | servo help
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I could really use some help connecting a Futaba 3101 microservo. I bought the micro servo to reduce the weight instead of the standard S148 servo. Anyway, I connected the red line to the HB +5V supply on the SPI expansion header. The black wire to (...) (26 years ago, 5-Jan-99, to lugnet.robotics.handyboard)
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| | Re: INTERACTIVE C
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If you use icc11 (a cross compiler, not an interpreted compiler) for the handyboard (they have a library for controlling the handyboard) then printf() calls write to the PC and lcd_write calls write to the LCD. --Chuck icc11 is available from (...) (26 years ago, 5-Jan-99, to lugnet.robotics.handyboard)
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| | Handyboard power supply
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Hi Fred and other, I intend to use grandcell rechargable batteries to supply the HD. Each battery is 1.5V . If I supply 7 batteries of total 10.5V to the HD , is there any problem ? rgds, phillip (26 years ago, 5-Jan-99, to lugnet.robotics.handyboard)
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| | INTERACTIVE C
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Dear Friends, In Interactive C,the printf statement writes messages to the LCD screen.Is there any way by which we can write to the monitor screen of the computer from which the programs were downloaded? Yours Sincerely, Nitin (26 years ago, 4-Jan-99, to lugnet.robotics.handyboard)
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