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 | | Re: RIS 1.5 kit
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| You can get it cheaper in the UK. PC World are selling RIS1.5 for £109.99 - i bought three sets!! k "Craig Martin" <lego-robotics@crynwr.com> wrote in message news:191100324.41999...box.com... (...) (24 years ago, 28-Nov-00, to lugnet.robotics)
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keith
(score: 1.083)
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| | Expansion board
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| When is the release date for the expansion board or is it still up in the air? Thanks. Keith Keith Soldavin kas219@email.psu.edu (URL) (28 years ago, 7-Feb-97, to lugnet.robotics.handyboard)
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keith
(score: 1.080)
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keith
(score: 1.078)
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| | number conversions
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| Is there any way to convert from an integer to a floating point and vice versa in IC? Please someone tell me there is a way! Thanks. Keith Keith Soldavin kas219@email.psu.edu (URL) (27 years ago, 1-Jun-97, to lugnet.robotics.handyboard)
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keith
(score: 1.078)
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| | Re: New motor drivers
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| (...) I am running 12 volt motors that draw about 1 amp each. They were the only motors that I had available for the project so I made due. Keith Keith Soldavin kas219@email.psu.edu (URL) (28 years ago, 20-Mar-97, to lugnet.robotics.handyboard)
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keith
(score: 1.077)
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| | converting binary to integer
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| I am reading four digital inputs and I need a way to convert those four bits into a decimal number. Is there an easy way to do it. Thanks. Keith Keith Soldavin kas219@email.psu.edu (URL) (27 years ago, 4-Jun-97, to lugnet.robotics.handyboard)
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keith
(score: 1.077)
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| | Re: Polaroid Ultrasound
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| (...) Try (URL) is where I bought my sonar transducer and ranging board for $50.00 +5.00 S/H. It came within a week and the quality is great. Keith Keith Soldavin kas219@email.psu.edu (URL) (27 years ago, 8-May-97, to lugnet.robotics.handyboard)
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keith
(score: 1.077)
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keith
(score: 1.076)
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keith
(score: 1.076)
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| | LMD18200 Motor driver
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| Is there a way to use the LMD18200 motor driver as a replacement for the motor chip on the handyboard? I know that they are not pin compatable but is there some type of interface that can be built easily? Thanks. Keith Keith Soldavin (...) (28 years ago, 14-Feb-97, to lugnet.robotics.handyboard)
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keith
(score: 1.075)
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| | Proximity sensor circuit on the web!
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| I have posted the circuit to my web page about ten minutes ago. The address for the page is in the sig. file at the bottom. Follow the robot link near the top of the main page for the schematic. Tell me what you think. Keith Keith Soldavin (...) (27 years ago, 23-Apr-97, to lugnet.robotics.handyboard)
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keith
(score: 1.074)
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| | Re: New motor drivers
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| (...) The motors are 12 volt 1 amp motors. I know that the piggyback method will give me the higher current but I am not that fond of that method. I would prefer to have one controller that has power to spare than a rigged system that will just (...) (28 years ago, 20-Mar-97, to lugnet.robotics.handyboard)
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keith
(score: 1.073)
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| | 567 design help needed
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| I am designing a circuit that requires a 567 tone decoder to detect a 500hz signal and I need some help. I don't have any technical manuals available with that chip in it and I need to know how to wire it up. If someone could post a design or send (...) (28 years ago, 5-Mar-97, to lugnet.robotics.handyboard)
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keith
(score: 1.073)
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| | I have a good schematic to post
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| I have finally debugged my IR proximity sensor circuit and I want to post it to the group. My question is what is the best way to post it? I can put it into a JPG file but I don't want to just send it to the whole group at once. Fred, can this go on (...) (27 years ago, 22-Apr-97, to lugnet.robotics.handyboard)
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keith
(score: 1.073)
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| | Re: sonar hookup
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| (...) Just to fill all of you in, I followed Tom's advice and it is working now. I am going to install the resistor on BINH tonight so I will get the extended range. By the way, what value resistor is best for this signal? I know that the suggested (...) (27 years ago, 9-Apr-97, to lugnet.robotics.handyboard)
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keith
(score: 1.073)
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| | New motor drivers
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| Does anyone know an easy way to replace the motor drivers on the handyboard with the 18200 chip from National Semiconductor? The motors I am going to be driving need more current that the old ones can put out so I need to upgrade. I know that they (...) (28 years ago, 20-Mar-97, to lugnet.robotics.handyboard)
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keith
(score: 1.073)
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| | Sonar and the handyboard
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| I just bought the Polaroid sonar unit and I need to test it. I have downloaded the sonar drivers and hookup instructions from the FTP site but I need some help. I want to write a small program that will take a sonar reading and display the distance (...) (28 years ago, 17-Mar-97, to lugnet.robotics.handyboard)
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keith
(score: 1.072)
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| | Wire wrapping sockets
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| I am thinking of building a second handyboard for myself but I want to make a few changes to the design. I need to know if anyone knows of a place to buy a 52 pin PLCC wire wrapping socket for the 68hc11. I am aware that there are adapters to (...) (27 years ago, 4-Apr-97, to lugnet.robotics.handyboard)
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keith
(score: 1.072)
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| | Re: IR for bots
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| (...) If you don't modulate the signal you run the risk of having another 40kHz signal (a.k.a. remoth control) trigger the reciever. If you modulate it and look only for you modulation code, then the chances of a stray signal are minimal. I have (...) (28 years ago, 28-Mar-97, to lugnet.robotics.handyboard)
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keith
(score: 1.072)
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| | Sonar problems
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| I have The Polaroid sonar system hooked up as stated in the readme file that is on the web page but I can't get it to work. I downloaded the five programs in the sonar directory and when I try to download them I get errors. I can't get the ICB file (...) (27 years ago, 4-Apr-97, to lugnet.robotics.handyboard)
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keith
(score: 1.072)
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