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 Robotics / Handy Board / *2989 (-20)
  HOW TO UNSUBSCRIBE
 
Greetings all, This is the periodic reminder about how to get yourself removed from the Handy Board list. The method is to send e-mail to Fred Martin. (That's me!) To unsubscribe, send e-mail to fredm@media.mit.edu. The message should say, "Please (...) (27 years ago, 18-Nov-97, to lugnet.robotics.handyboard)
 
  Unsubscribe
 
Please unsubscribe me for the Handy Board user group. jacks234@pilot.msu.edu Thanks, Pete Jackson (27 years ago, 18-Nov-97, to lugnet.robotics.handyboard)
 
  OOH NO Its Trigonometry
 
Hi All, Sorry, but I need to raise a question to anyone who paid attention in maths class at school. Although Interactive C provides tan, sin and cos functions is there anyway of performing the inverse of these - do these functions exist anywhere (...) (27 years ago, 18-Nov-97, to lugnet.robotics.handyboard)
 
  unsubscribe
 
subscribe microp@geocities.com (27 years ago, 18-Nov-97, to lugnet.robotics.handyboard)
 
  Range Finder Hack
 
I apologise to everybody for my last message, the ascii formatting went completely haywire. Hopefully this one will be correct as I has edited the text file again. To see the diagrams correctly in the majority of email packages that allow font (...) (27 years ago, 18-Nov-97, to lugnet.robotics.handyboard)
 
  Re: IR Demodulator Range Finder Hack
 
(...) (2 URLs) the referring page. I have used this "hack", and found it to be quite extensible and flexible. We used "high output" IR LEDs, from Radio Shack (I don't have the part number, but, if you go in there, its the light light blue ones) that (...) (27 years ago, 18-Nov-97, to lugnet.robotics.handyboard)
 
  Re: Applications?
 
(...) Yes. (...) Yes, if the motors draw less than 1Amp of current when stalled. (...) Yes. (...) You can drive bipolar stepper motors using the on board h-bridges. (...) Yes. The typical way to do this would be to attach your directional detector (...) (27 years ago, 17-Nov-97, to lugnet.robotics.handyboard)
 
  hexapodial walkers & other stuff
 
hi. I was looking thru the new Robot Store catalog (www.mondo.com) and saw that they were selling hexapod walkers. I was wondering has anyone here built a hexapod? Mondotronix had it so that there were 2 horizontal crossbars per 1 vertical leg. (...) (27 years ago, 17-Nov-97, to lugnet.robotics.handyboard)
 
  subscribe
 
subscribe shahian@csulb.edu (27 years ago, 17-Nov-97, to lugnet.robotics.handyboard)
 
  Applications?
 
Hello to all Robo-maniacs!!! I was just wanted to make sure some thoughts about the Handyboard. 1 Can you connect it with a PC and after you make a programm in C, load it in the handyboard (and after disconnection can you apply the program on your (...) (27 years ago, 17-Nov-97, to lugnet.robotics.handyboard)
 
  array variables
 
Hello all, is it possible to create an array variable in the .icb file, if so how do you do it? -tanis (27 years ago, 17-Nov-97, to lugnet.robotics.handyboard)
 
  Re: 293s, Cable
 
In your message you said: (...) this isn't the problem. (...) please do the following, and specify the point of failure. 1. Open a terminal emulator program on your CPU (e.g., ProComm for DOS, HyperTerminal for Windows 95, ZTerm for Mac). Select the (...) (27 years ago, 17-Nov-97, to lugnet.robotics.handyboard)
 
  Re: IR Demodulator Range Finder Hack
 
(...) I would be interested to hear about this too please. We are running a Group Design Exercise (our own version of a Lego robot competition). Designing the staff entry (to check the idea was feasible in the short time alloctated to the exercise) (...) (27 years ago, 17-Nov-97, to lugnet.robotics.handyboard)
 
  Platinen zu verkaufen
 
Soory, this offer is valid for Germany only. So it's written in german. Hallo, ich hab hier noch eine Platine fuers Handy-Board uebrig. Eigentlich sinds 2. Also das eigentliche Board + Schnittstelle. Wer also noch Bedarf an so etwas hat, sollte sich (...) (27 years ago, 17-Nov-97, to lugnet.robotics.handyboard)
 
  293s, Cable
 
We're trying to build a handyboard, and we attempted to dl the .s19, but it doesn't work. It gives the connecting at 1200 baud.... message but nothing happens after this. Two issues that I believe may be causing this are: 1) we don't have the 293 (...) (27 years ago, 17-Nov-97, to lugnet.robotics.handyboard)
 
  IR Range finder
 
I am posting this for in case any body is interested as I know that I will be trying to make use of it. I apologise in advance to anybody who already knows how to do this, or does not intend to use such a range finder, but I imagine there are a lot (...) (27 years ago, 17-Nov-97, to lugnet.robotics.handyboard)
 
  Re: Ooops.
 
It's unlikely you killed the MCU, there are 1k resistors in series with the RxD and TxD lines. Go to the assembly manual, and run through the series of tests that verify proper operation of the Interface/Charger Board. (URL) your message you said: (...) (27 years ago, 17-Nov-97, to lugnet.robotics.handyboard)
 
  External motor power
 
I want to use an external battery for motor power. I see the power expansion header apparantly for this purpose but it appears that I have to cut a trace to disconnect the HB battery from MOTORPWR. Is true? Is there anything else that I may have (...) (27 years ago, 17-Nov-97, to lugnet.robotics.handyboard)
 
  IR Demodulator Range Finder Hack
 
A few months ago I found information on how to modify the Sharp IR Demodulator to produce an analogue voltage relating to the strength of IR received. The problem is that I have lost the information and can't remember where I saw it. Has anybody (...) (27 years ago, 17-Nov-97, to lugnet.robotics.handyboard)
 
  Ooops.
 
Help! I accidently plugged a network rj11 cable between my HB and the serial interface board. It seems that I released the smoke genie from R 11. I have replaced the resistor and the MAX 232 but I'm not getting the board to sync. Is there anything (...) (27 years ago, 16-Nov-97, to lugnet.robotics.handyboard)


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