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Hello. I attempted to use the polaroid sonar device which is plugged into my expansion board on my handy board. I loaded the sonar.c file from the handy board web site using IC. When I called the routines in the sonar.c I got a "tick" sound and an (...) (26 years ago, 22-Mar-99, to lugnet.robotics.handyboard)
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| | RE: PWM and executing 2 function at the same time
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hi everybody, i am trying to ask 2 questions. question 1: is there any way to count the no of pulse generate by the handyboard? question 2: can i execute 2 function at the same time?(eg. testdigitals() and testanalogs() at the same time) with (...) (26 years ago, 22-Mar-99, to lugnet.robotics.handyboard)
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| | Re: Battery Change
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At 04:38 AM 3/21/99 +0800, you wrote: They also fit exactly (...) I use NiMh batteries with my HB. Works fine, but I would be careful charging them. Supposedly these batteries require special charge circuits, but I've always found a slight (<150mA) (...) (26 years ago, 20-Mar-99, to lugnet.robotics.handyboard)
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| | Battery Change
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Dear Guys, It just so happens that I remembered that I have four old but still is good condition Ni-MH battery packs from an old cellphone, each pack is rated at 4.8V and 600mAh and the weight of all four of them is just about 75% the weight of the (...) (26 years ago, 20-Mar-99, to lugnet.robotics.handyboard)
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| | more serial problems
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I finally got the serial communications working--thanks for the help. However, I can't get IC up to speed--I'm getting very few bytes through at 9600 bps. I was talking to another team that is working on the same application, and they said they have (...) (26 years ago, 20-Mar-99, to lugnet.robotics.handyboard)
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| | Fwd: (OT) Robotics Engineer
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-- MIME ATTACHMENTS DISCARDED: 1. Content-ID: <0_921929128@inet_ou...aol.com.2> Content-type: message/rfc822 Content-transfer-encoding: 7bit Content-disposition: inline Content-Length: 2010 (26 years ago, 20-Mar-99, to lugnet.robotics.handyboard)
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| | (OT) Robotics Engineer
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Hello Everyone, I received the following e-mail from a student and since I'm not employed in this field I thought there might be someone on the list that could respond. Please send your e-mail address directly to me so that I may forward it. Thanks (...) (26 years ago, 20-Mar-99, to lugnet.robotics.handyboard)
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| | Help with Serial Ports, Please !!!
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Hello, I'm trying to port some working Qbasic code to Tcl8.08 (NT4.0), so I can embed it into the tcl-httpd, and make a robotic application controllable from the web (with the Tcl plug-in), but I'm having a hard time configuring the serial port (...) (26 years ago, 20-Mar-99, to lugnet.robotics.handyboard)
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| | new intranet ip
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the new address for the intranet site is (URL) going to the old address will be redirected to this new one. Hopefully, this will resolve some of the login issues. Regards, mark williamson (26 years ago, 19-Mar-99, to lugnet.robotics.handyboard)
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| | Unsubscribe
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Unsubscribe Handyboard List (26 years ago, 18-Mar-99, to lugnet.robotics.handyboard)
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| | Re: wireless connection
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please reply to me too about this! thanx =) chen (...) (26 years ago, 18-Mar-99, to lugnet.robotics.handyboard)
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| | Re: Using the DC to DC converter
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(...) Yes, P=VI. When the Specification sheet says the converter can source 1W, they mean at most 1 Watt. When your sensor says it consumes 35mA, this is again the max and only if the 12V is supplied. If less than 12V is supplied it will probably (...) (26 years ago, 18-Mar-99, to lugnet.robotics.handyboard)
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| | Using the DC to DC converter
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Hi, I intend to use a 5V source battery going thru a DC to DC converter to get a 12V source. Then this 12v will connect to my diffuse sensor which operrate at 12V. The sensor's current consumption maximum is 35mA. If the output Watt of the DC-DC (...) (26 years ago, 18-Mar-99, to lugnet.robotics.handyboard)
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| | Moutor Output Circuit
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It seems we fried our motor output circuit quite nicely. We've replaced the L293D chips and we replaced the 74HC374 with the 74HC374E that came with our expansion board. Seemed to clear up a few issues, but both LED's are coming on for a couple of (...) (26 years ago, 18-Mar-99, to lugnet.robotics.handyboard)
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| | Re: help please
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Compatible substitutions for: Digikey# P6305 6.3v 470uF NICHICON Aluminum Axial General Purpose Miniature VX Series Capacitance Value: 470 µF Capacitance Tolerance: ± 20% Capacitance Range: 376.00 µF to 564.00 µF DC Voltage: 6.3v DC Temperature (...) (26 years ago, 17-Mar-99, to lugnet.robotics.handyboard)
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| | Serial communications
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I'm using a Windows PC to try to communicate with the handy board using the posted serial routines (using the pcode port). I can't get a single character to go through successfully. My receive routine is set to display to the LCD as it receives (...) (26 years ago, 17-Mar-99, to lugnet.robotics.handyboard)
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| | Robotics Computers bargain.
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Hi all, I just found a great deal on a computer that I'm going to use to program my Handyboards with. If I can, I'm going to try to hook up this PC to the Handyboard to use on a larger mobile robot. Here's what I found: Dauphin (sp?) pen based (...) (26 years ago, 16-Mar-99, to lugnet.robotics.handyboard)
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| | help please
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Digi-Key told me that the mini axial 'lytic part #P6305 was obsolete. What part can I use instead? Has anyone had this happen? also, my last message "help on obsolete part" had the wrong part i meant the P6305 from digi-key. -Jon (26 years ago, 16-Mar-99, to lugnet.robotics.handyboard)
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| | Re: Interrupt Driven Binary programs
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did you try checking for the linefeed problem in your ICB file? please see teh FAQ about this: (URL)If I want to install an interrupt driven binary file to the handy board, (...) (26 years ago, 16-Mar-99, to lugnet.robotics.handyboard)
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| | Interrupt Driven Binary programs
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If I want to install an interrupt driven binary file to the handy board, do I have to place it in the "system interrupt" that runs at 1000Htz? Can I use the clock on the 6811? I want to sample an event running above 1000Htz, is this possible? Bellow (...) (26 years ago, 16-Mar-99, to lugnet.robotics.handyboard)
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