 | | Re: asm -> icb
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hi, based on the code that some of sent me i wrote a (bash) script for linux, but i still get differences in the "cre" part of the file, and more specifically in all lines after the "*" (all numbers are off by two). any ideas what is going on? (...) (26 years ago, 21-Feb-99, to lugnet.robotics.handyboard)
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| | Re: IR output
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You can connect an IR LED to it. Maybe you may need a series resistor to limit the current through it as well. Basically, the IR LED acts as a transmitter (the same round thing in front of your remote). The demodualator is not a transmitter...it is (...) (26 years ago, 21-Feb-99, to lugnet.robotics.handyboard)
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| | Re: unsubscribe
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dear amit (& others), sending messages to "handyboard" will NOT get you removed from the list. The only way to get removed from the list is to read the instructions and follow them. These instructions may be found at (URL) luck. this may be a (...) (26 years ago, 21-Feb-99, to lugnet.robotics.handyboard)
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| | IR output
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What type of IR component do I need to attach to the Handyboard to allow the IR output to function? Searching the FAQ and documentation only showed the connection circuit up to the point of the header strip. I assume it wouldn't be the same as the (...) (26 years ago, 21-Feb-99, to lugnet.robotics.handyboard)
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| | unsubscribe
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I would like to get off the handy board list for a few days. I am having some email Overflow problems thanks you =) take care Amit Bhavsar (26 years ago, 20-Feb-99, to lugnet.robotics.handyboard)
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| | Sonar Sensors
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Ok... both of my sonars are now fully functional and clicking like they should... I took the test prgram from the website and changed some of the values to make it use D3 for the other sensor... Here is my problem though... When I output the values (...) (26 years ago, 20-Feb-99, to lugnet.robotics.handyboard)
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| | Re: asm -> icb
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(...) The assembler is available at (URL) word of caution: it doesn't seem to work for really-really small programs like you might try for your first test. It seems like you have to have a hundred bytes or so of code before it gives correct results. (...) (26 years ago, 20-Feb-99, to lugnet.robotics.handyboard)
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| | Re: RF VIDEO?
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(...) You can get an Audio/Video transmitter that uses UHF from Marlin P. Jones (www.mpja.com) for $18.95. It has standard RCA female inputs for 1V P/P Video @ 75 ohms and .1-1V RMS audio @ 600 ohms (they sell an audio board for $3.95). Both run on (...) (26 years ago, 20-Feb-99, to lugnet.robotics.handyboard)
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| | Re: asm -> icb
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(...) (26 years ago, 20-Feb-99, to lugnet.robotics.handyboard)
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| | (no subject)
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Has anyone connected more than one sonar sensor to the handyboard? I'm looking to use the handyboard to connect six sonar sensors to my pc via the parallel port. I'm using C to talk to and readback from the parallel port. The sensors can be fired (...) (26 years ago, 20-Feb-99, to lugnet.robotics.handyboard)
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| | asm -> icb
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hi, looks like i cannot find the shell script (as11_icb) that assembles an asm file and packs it into an icb file. in theory it should be with the pcode source distribution but it doesn't seem to be there. i'm sure i am missing something. could (...) (26 years ago, 20-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Polaroid Sonar problems
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Guy wrote: <snip> (...) The numbers you're getting may correspond to the length of the blanking interval, which would suggest that the transducer is still ringing when blanking ends. You might try increasing the blanking interval so that you're sure (...) (26 years ago, 20-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Linx technologies RF modem
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doug@knowpeace.com wrote: <snip> (...) I did some reading about the new PSC1000 CPU, and it seems like the ideal next step in the evolution of hobby/research robot controllers. I especially like the support for Java and networks. Not being a (...) (26 years ago, 20-Feb-99, to lugnet.robotics.handyboard)
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| | how to use a 4*20 Display with the HB
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HI, I'd like to use a 4*20 display, and i think i have to rewrite the pcode.... Have someone done it already for a 4*20 display ? if, someone have ,can you send the pcode to me ? or can someone give me instructions how to change the code ? thank You (...) (26 years ago, 20-Feb-99, to lugnet.robotics.handyboard)
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| | Polaroid Sonar problems
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Hi! I know this has been dealt with before, yet I couldn't find a good answer in the mailing list archive. Maybe someone could give me a hand, I've been having problems with the sonar connected to my HB. I followed the directions on the web page, (...) (26 years ago, 20-Feb-99, to lugnet.robotics.handyboard)
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| | RE: Linx technologies RF modem
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Dave, I'm looking seriously at the Linx HP eval kit. Please let me know how yours works out, and any tips on installation to the handy board would be greatly appreciated. Also, what if I wanted to put HP RX/TX on two robots plus host computer, I (...) (26 years ago, 20-Feb-99, to lugnet.robotics.handyboard)
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| | Unsubscribe!
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Please unsubscribe me from this mailing list. Thank You! (26 years ago, 20-Feb-99, to lugnet.robotics.handyboard)
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| | Re: msleep function in ICC11?
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You can't use the one in the library I wrote? (its available on the iccll web site) Basically msleep spin locks on the timer waiting for systicks to increment the appropriate number of milliseconds. If you aren't using my code you can do the same (...) (26 years ago, 20-Feb-99, to lugnet.robotics.handyboard)
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| | msleep function in ICC11?
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I have a HB w/exp brd and a PortMaster (a stock board with a 68HC11E1, 68HC24 port expansion and 32k ram). I'm programming the HB with IC3.2 and the PortMaster with ICC11v5. I am hung up trying write a funtion similar to the HandyBoard 'msleep' (...) (26 years ago, 20-Feb-99, to lugnet.robotics.handyboard)
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| | RE: Linx technologies RF modem
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I managed to speak with one of Linx's applications engineers- He said that a couple of the guys over there are using the Linx modules to communicate with HC11's, so interfacing the kit with the handyboard shouldn't be much of a problem. He said I (...) (26 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Type conversion.
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(...) Hi, what you want to do is called type casting,ie. you must explicitly specify the type. I've included some sample code that uses it. Because the beeper function expects a float but the knob function returns an integer, you have to modify the (...) (26 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Type conversion.
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FEDERICO SANTELLO wrote: <snip> (...) Federico - - Try doing it this way: (it's called a "cast") int temp; float dtemp; temp = 5; dtemp = (float)temp*3.5; printf("dtemp=%f\n",dtemp); Enjoy, - - - Nick - - - (26 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Re: color sensors
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I believe that you will find that most photo transistors are sensitive to a very narrow range of frequencies, mostly in the IR range. OTOH a photo resistor is sensitive to a much wider range of frequencies and may be usable with a (colour) filter. (...) (26 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Type conversion.
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Hi to all. I'm not very practice with IC. My answere are , how can i convert a integer number to a floating point number? I want to make a moltiplication between an intger number and a floating. I make this: int temp; float dtemp; dtemp=temp*3.5; (...) (26 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Polaroid Sensors
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I just finished wiring up the HB for dual sonar sensors... A couple of problems... The first and most important is the fact that the values returned look to be completely random and often flipping between positive and negative values... Could this (...) (26 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Re: IR Sensors
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James - - Here's a link to the QRB1114 data sheet: (URL) limited playing has shown two things: one - the sensor is very sensitive to visible light and therefore needs to be used with an auto-calibrate routine. two - you have to be very selective in (...) (26 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Re: IR Sensors
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James - - Here's a link to the QRB1114 data sheet: (URL) limited playing has shown two things: one - the sensor is very sensitive to visible light and therefore needs to be used with an auto-calibrate routine. two - you have to be very selective in (...) (26 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | SPI .vs. I2C and Documentation
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Hi all, I've been looking for some way to connect multiple devices (Handyboards, other 68HC11's, PIC's, custom devices, & PC's). From what I can find, I2C is the Phillips protocol which is well documented and supported. (Docs, Specilaized chips, (...) (26 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | rc cars and HB- simple questions
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Hello. I've seen several discussions abot RC cars here, and I have two questions trying to verify my findings. Has anyone ever dealt with Radio Shack rc cars? I bought the one that can move back and forth on tracks and also sideways on wheels. So (...) (26 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Re: IR Sensors
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James What you see as black and what is black to IR may be different. I did some experiments for a line following race, and found that some black markers actually made the paper reflect IR better than plain white paper. The conclusion of my (...) (26 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Re: color sensors
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I wonder whether there are some phototransistors out there that have peak sensitivity to a small range of the visible spectrum. Preferably to "one color". Can anyone fill in here? ---...--- ericson mar Robotics Consultant mar@cooper.edu (...) (26 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Re: MC68HC11A1FN
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Your message said: (...) Jon, I had the same question a while back and was overwhelmed with the number of handy board enthusiasts who clued me into BG Micro. I checked their website, searched for MC68HC11A1FN and sure enough! --there it is for less (...) (26 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Re: MC68HC11A1FN
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Are you sure about that! I just checked B.G. Micro today and they have it in stock Part# ICS68HC11A1 $6.95 ea. Try again go to shop online and enter 68HC11A1FN in the search field. -----Original Message----- From: Jon Ryan Schuck (...) (26 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Re: MC68HC11A1FN
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BG Micro DOES sell it, I just checked with them last week, and plan on purchasing a couple myself this coming week. They sell it for less than 7 dollars a piece! Good luck. -- /---...---\ Eric Smiley Duke University Delta Kappa Epsilon House 1C1 rm. (...) (26 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Re: color sensors
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(...) What about putting different color filters in front of a photo transister, like you would on a camera. You could then enhance certain colors by filtering out the others. You may have to deal with some reduction in sensitivity but it may be (...) (26 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | IR Sensors
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Hi everyone, I've hooked up the QRB1114 infrared sensors to the analog input ports. Although they appear to be operating, their values make little sense. Whether a black or white object is placed in front of the sensor, the Handyboard reads in a low (...) (26 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Servos and solenoids
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I won't attempt to power your servos with 9v. Those servos are designed to work off a 4.8v battery pack, you'll most likely smoke'm. Wayne -----Original Message----- From: J.W. Pennington <jwp@awod.com> To: handyboard@media.mit.edu (...) (26 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Servos and solenoids
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First, The Handyboard's motor output is 9 volts, does anyone know if Futaba's small servos handle this well? I have two S3003 servos that I'd like to use. Second, Has anyone run a solenoid from a motor output? I'm assuming that it would do fine, PWM (...) (26 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | MC68HC11A1FN
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Does anyone know a good place to purchase the MC68HC11A1FN chip? I haven't found a single place. Motorola doesn't seem to sell them... neither does BG MICRO. Jon (26 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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| | Re: IR Sensors
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(...) Many optically black materials do not at all affect the IR range of the spectrum. It is possible that your black object is not black (read "absorbant") to IR and simply reflects it just like the white. Try several different materials. Many may (...) (26 years ago, 19-Feb-99, to lugnet.robotics.handyboard)
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