 | | RE: Download of PCode and registers
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Eric, You shouldn't need to use the 0d block for normal programs. In fact, 0c is what you are supposed to use. The only time when you need to use the 0d value is when you are burning the board with the "config0c.s19"(I believe that is the file (...) (25 years ago, 4-May-99, to lugnet.robotics.handyboard)
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| | Re: Battery Status
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[Duncan Orthner] spake unto the ether: (...) But isn't the supply voltage also the reference for the D/A converter? If the reference drifts, the signal through the divider leg will also drift? I remember trying something like this with a variety of (...) (25 years ago, 4-May-99, to lugnet.robotics.handyboard)
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| | Re: Battery Status
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(...) This is usually how it's done. The voltage will drop predictably as the battery discharges. (...) Yes. You could use a voltage divider. You may have to play with the cutoff point a bit, and be aware that nicads experience a rather sharp (...) (25 years ago, 3-May-99, to lugnet.robotics.handyboard)
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| | Dowload of PCode and registers
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I am building a new handyboard and when I attempt to send the PCode to the board using HBDL for Windows I get an error if 0c is put in the register window. However, if I put 0d it works fine, the files load and the handyboard functions properly. Why (...) (25 years ago, 3-May-99, to lugnet.robotics.handyboard)
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| | Battery Status
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Hi, I would like to measure the battery capacity (how much longer can I keep the operating robot, running under the present battery), but I very newbie in regards to electonics... so here are my newbie questions... :) 1) Is voltage; information (...) (25 years ago, 3-May-99, to lugnet.robotics.handyboard)
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| | 6500 returning dd values
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Hello, I connected a Polaroid 6500 to my expansion board on my handy board and tried to test it but it returnes a different value every time, some of them being odd values (eg -24567). Heres how it lies - on the 6500 per. bd. E1 is connected to the (...) (25 years ago, 3-May-99, to lugnet.robotics.handyboard)
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| | Re: charging circuit
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Hello again, Sorry for the posting, seems as the problem fixed itself, anyhow it's working like it always did now. Thanks anyhow, Terry Gathright ---...--- (...) with (...) (25 years ago, 3-May-99, to lugnet.robotics.handyboard)
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| | charging circuit
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Hi All, I turned on my handyboard yesterday and found that the battery had died, zero,no voltage. I then plugged the wall transformer wire into the jack on the handyboard as I had been doing all along. The charge yellow led on the handyboard blinked (...) (25 years ago, 3-May-99, to lugnet.robotics.handyboard)
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| | UV sensors?
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I am doing a project that involves detecting UV light. Has anyone ever uses UV sensors. And where would I be able to get these sensors? -Peter (25 years ago, 2-May-99, to lugnet.robotics.handyboard)
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| | Re: string functions and Interactive-C
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(...) Dear Matt, Serial i/o routines available in the FAQ at the MIT site for the handy board send characters. Write a function which using % and / operators to convert a number into digits. The function should send each digit as a character along (...) (25 years ago, 2-May-99, to lugnet.robotics.handyboard)
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| | string functions and Interactive-C
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I would like to be able to construct various useful strings and send them out the serial port (not just to the display). For example, I would like to be able to do something like: sprintf(buffer,"Motor Temperature is %d",mot_temp); (...) (25 years ago, 2-May-99, to lugnet.robotics.handyboard)
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| | Re: HC11 E 'series'
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(...) Yes. I'm using a couple of E9's. Setting the config register to the normal Handyboard value disables the internal ROM, so you end up with an A-series with the exception that you have twice the RAM (512 bytes). Curt Mills, WE7U (...) (25 years ago, 29-Apr-99, to lugnet.robotics.handyboard)
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| | HC11 E 'series'
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I was wondering if i can use the HC11E9 series microcontroller instead of the A1 (that is suggested on the data sheets for the handy board). I have the Reference Manual for the HC11, looked at the data sheets and they say the E9 is an upgrade from (...) (25 years ago, 29-Apr-99, to lugnet.robotics.handyboard)
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| | Re: Smooth PWM with IC 3.2
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Dear Bill, Mostly you have got wrong versions of your library files mixed up. Multiple definition of functions is occuring. It is best that you download all files from the same site on the internet and use them. As per the new version, raw_analog (...) (25 years ago, 29-Apr-99, to lugnet.robotics.handyboard)
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| | Re: Video transmitter and receiver
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Hi! can anyone recommend any good video transmitter and receivers? my team has the monitor but no transmission equipment. =) chen (25 years ago, 27-Apr-99, to lugnet.robotics.handyboard)
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| | Please help me.
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Hello all. I have just begun 68HC11 study. So, everyone has a question. 1. I want to know how to change hex file to motorola s19 file. 2. I want to know where it is free disassembler for 6811. Please help me!! Yoshi astronauts@mail.goo.ne.jp (25 years ago, 27-Apr-99, to lugnet.robotics.handyboard)
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| | GCC/HC11
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Just to let everyone know: I think I may have found a new compiler bug with the GCC/HC11 C-compiler. When I did this: c = d = serial_getchar(); My program didn't work correctly. If I did this instead: c = serial_getchar(); d = c; It worked fine. (...) (25 years ago, 26-Apr-99, to lugnet.robotics.handyboard)
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| | doc info
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I am buliding my own handy board and I having difficulty downloading the "Assembling The Handy Board" file off the web site. Does anybody know any other way to obtain this document? Fred (25 years ago, 26-Apr-99, to lugnet.robotics.handyboard)
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| | CMOS CAMERA
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Anynoe did connect a CMOS camera to Handy Board ? Is possible ? (25 years ago, 26-Apr-99, to lugnet.robotics.handyboard)
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| | Re: IR test reports "Rubbish" when I run test.c
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Test.c expects to see both short and long pulses of IR, and it tries to accept timings from any remote. It times the signals it receives and records the lengths of the shortest and longest pulse. It then uses the midpoint of these values as a (...) (25 years ago, 24-Apr-99, to lugnet.robotics.handyboard)
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