 | | Re: Assembler
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(...) If you are using the Beta of Interactive C, you can use the web version of the assembler found at: (URL) R. Cunningham MSI Consulting Group (URL) (28 years ago, 15-Apr-96, to lugnet.robotics.handyboard)
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| | Assembler
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How do I turn a *.asm into a *.icb? I believe I need a program as11.???. Anyone know where it is? Larry ***...*** Larry Randall ***...*** If it works Don't fix it! ***...*** lrand@cts.com ***...*** (28 years ago, 14-Apr-96, to lugnet.robotics.handyboard)
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| | motor voltages
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Along similar lines, anyone know of a nice way to regulate 9.6V down to 6 or so, at 2 or 3 amps peak? I'm looking for something that's efficient, and won't try to burn itself out during normal use. Possibly something like the LM317 is available in (...) (28 years ago, 13-Apr-96, to lugnet.robotics.handyboard)
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| | 6V motors off of 9.6V (again)
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Yes, once again, I'm exploring the idea of running some 6V motors off of the handy board's 9.6V battery. Basically, I'm worried that if I do this, I'm going to burn out _another_ pair of motors. (Though the last couple were 3V, these are 6...) How (...) (28 years ago, 13-Apr-96, to lugnet.robotics.handyboard)
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| | Extention Board?
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I heard that there is an extention board for the HandyBoard. Does anyone know if it is available yet, and where I can get one? Price also? Thanks Larry ***...*** Larry Randall ***...*** If it works Don't fix it! ***...*** lrand@cts.com ***...*** (28 years ago, 13-Apr-96, to lugnet.robotics.handyboard)
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| | Motor Voltage Hack
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Want to use motors of different voltage than the 9V required by HandyBoard? Then read this. I had decided to use converted Servo's as wheel drives, and they want about 4.8V. In studing the diagram and board layout I discovered that the HB batterys (...) (28 years ago, 13-Apr-96, to lugnet.robotics.handyboard)
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| | Battery level monitoring?
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Has anyone figured out how to monitor the battery level on an HB1.2? I would like to be able to use a circuit similar to the one published in the Jones Mobile Robots book, but it connects output directly to an analog port and is confused by the (...) (28 years ago, 13-Apr-96, to lugnet.robotics.handyboard)
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| | Re: h-bridges, current info
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(...) the fuse is rated for about 2.5A continuous. If that is not enough, get one rated for more current, or replace it with a wire and make sure not to short out the nicads, or you'll get 30 to 40 A flowing. -F (28 years ago, 13-Apr-96, to lugnet.robotics.handyboard)
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| | Ultrasound Range-Finding
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I would like to add range-finding of some description to my robot project. I would prefer to make it as cheap as possible. I have heard of the various polaroid-based schemes, but these all sound as though they are $90+ solutions. Does it have to be (...) (28 years ago, 12-Apr-96, to lugnet.robotics.handyboard)
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| | h-bridges, current info
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I'm trying to figure out a couple things. First, can four NPN transistors be used to form an h-bridge? I was looking in a book, the Robot Builder's Bonanza, which features a circuit which uses four TIP41 transistors. However, don't most h-bridges (...) (28 years ago, 12-Apr-96, to lugnet.robotics.handyboard)
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| | Re: Servo
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you have to load both servo.c and servo.icb. -Fred -- This message was composed using Articulate Systems' PowerSecretary, a Macintosh-based speech-to-text dictation system. Please forgive any sloppiness in the formatting. Thanks. -Fred In your (...) (28 years ago, 12-Apr-96, to lugnet.robotics.handyboard)
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| | Re: Servo
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(...) You need to do a 'load servo.icb' before you do the 'load servo.c' command. The .icb file contains the code described in the servo.asm file, in a binary format. The code in the servo.asm file does the actual work of running the servo output. (...) (28 years ago, 12-Apr-96, to lugnet.robotics.handyboard)
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| | Servo
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Does anyone know how to activate the servo on HandyBoard with IC? (I am going to use the Polaroid Sonar Ranger when it gets here.) When I try to load 'Servo.C', the supplied program, I get 6 or 8 errors of unassigned lables. I assume that (...) (28 years ago, 12-Apr-96, to lugnet.robotics.handyboard)
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| | re:4 line LCDs and other LCD questions
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(...) HB experts, correct me if I'm wrong, but if someone wanted to use an LCD bigger than 2x16, wouldn't the pcode have to be recompiled? I know that in the pcode.asm file there is reference to displays up to 2x80 (of which I have 4 and none work (...) (28 years ago, 12-Apr-96, to lugnet.robotics.handyboard)
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| | 4 line LCDs and other LCD questions
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Dear HB suppliers: Can anybody sell us bigger LCDs for the HandyBoard? I need at least 4 line LCD or other similar type. It will be used in complete darkness, so it should be illuminated. Thanks. Alexander A. Chaihorsky President, ULTRA-RES Corp. (...) (28 years ago, 11-Apr-96, to lugnet.robotics.handyboard)
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| | RE:TCNT reg
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(...) The battery goes to the (+) (-) spots, and the charger plugs into either the Handy Board itself (near the frob knob) or on the serial/battery board. The system time, while running IC (which is what I assume you're going to do) is in (...) (28 years ago, 11-Apr-96, to lugnet.robotics.handyboard)
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| | TCNT register !
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I want to know if the time we get from timer (TCNT) is in second or milisecond. I was trying to run the handyboard for my first time, and I am confusing about the power supply, I don't know if the power supply should be plugged in the handy board (...) (28 years ago, 11-Apr-96, to lugnet.robotics.handyboard)
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| | Nuggets
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While trying to unload some IS1U60 IR receivers, I found the sharp data site. It turns out that the IS1U60 has a center freq of 38 khz, while 40khz is is well within its pickup range, I wonder if changeing the circuit on the HB to 38khz would (...) (28 years ago, 10-Apr-96, to lugnet.robotics.handyboard)
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| | ???
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Would anyone think of selling me an ASSEMBLED and used Handy Board for cheap. I have very limited funds and would appreciate any price reduction. Thank you. You can E-mail back on the mailing list or to Babylon007@aol.com. (28 years ago, 10-Apr-96, to lugnet.robotics.handyboard)
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| | Re: Emitting 40khz IR
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poke(0x1000,0x40); will turn the IR on at 40KHZ and poke(0x1000,0x0); will turn it off. (...) Dr. M. K. Ramasubramanian Assistant Professor Department of Mechanical and Aerospace Engineering North Carolina State University Box 7910 Raleigh, NC (...) (28 years ago, 10-Apr-96, to lugnet.robotics.handyboard)
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