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 Robotics / Handy Board / *3933 (-10)
  Re: input impedance
 
(...) Hmmmmmm.. as I recall, there are 47k pullups on those inputs. These are used to condition the signals when used as a digital input. The 'HC11 pink book suggests that any input resistance of greater then 10K will "...degrade A/D accuracy." The (...) (28 years ago, 11-Jun-98, to lugnet.robotics.handyboard)
 
  Re: Question about Sharp IR demodulators
 
I had a similar experience, except that all my IR demodulators were from Radio Shack; two were some I'd gotten in a "grab bag" quite a few years ago, and the others were brand new. The original one reacted to 40KHz the way you describe yours doing - (...) (28 years ago, 11-Jun-98, to lugnet.robotics.handyboard)
 
  motor selection
 
Can anyone tell me what is a good servo motor? I haven't had any experience and would like some input on names of servos to choose from. I am looking for a model number and company. Chris Rhodes (28 years ago, 10-Jun-98, to lugnet.robotics.handyboard)
 
  Question about Sharp IR demodulators
 
Hi everyone, First, sorry for the blank message just now -- hit the send button instead of the cancel. I'm working on a project where I've got robots hunting targets equipped with a 40 kHz oscillator circuit which is continuously pulsing an IR LED. (...) (28 years ago, 10-Jun-98, to lugnet.robotics.handyboard)
 
  (no subject)
 
--- Paul E. Rybski --- (URL) (28 years ago, 10-Jun-98, to lugnet.robotics.handyboard)
 
  Extra HB For Sale
 
I have one extra HandyBoard that I will sell if anyone needs one. It is a fully assembled and tested board with Serial Interface Board and cases. It has never been used in a project (about 2 months old). I built two of these and find that I am only (...) (28 years ago, 10-Jun-98, to lugnet.robotics.handyboard)
 
  Re: Windows NT experiences?
 
I use IC 2.8 under NT with no problems. Before you can use IC under NT, you`ll have to turn off the COM-port your HB is connected to under NT, or else NT won't let IC use it. You can delete the COM port in the `ports` part in you configuration (...) (28 years ago, 10-Jun-98, to lugnet.robotics.handyboard)
 
  input impedance
 
Does anyone know the impedance onto the sensor inputs on the HB and/or any suggestions for setting them to receive signals sent at 220K Ohm. Joe Martin joema@mpx.com.au (28 years ago, 10-Jun-98, to lugnet.robotics.handyboard)
 
  Re: Windows NT experiences?
 
I've been using IC3.2 on Windows NT/4.0 with very few problems. I used to have IC lock up occasionally, but only when I disconnected the Handy Board at weird times. Once I was more careful about disconnecting the Handy Board only when IC was at a (...) (28 years ago, 9-Jun-98, to lugnet.robotics.handyboard)
 
  Windows NT experiences?
 
Hi all, I was wondering if people would please "share" their experiences running Interactive C on Windows NT. Is anyone using the old freeware DOS IC on NT? Did you have any trouble getting it to work? Please send to the list, or me privately if (...) (28 years ago, 9-Jun-98, to lugnet.robotics.handyboard)

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