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 Robotics / Handy Board / *4259 (-5)
  Re: General use PCB
 
(...) Option #1: How about making some of your own? If you need 60, then the prices from board houses start getting pretty low. Check out these places: (URL) made up a small spreadsheet for expresspcb and apcircuits pricing, and at quantity 60 you (...) (26 years ago, 5-Aug-98, to lugnet.robotics.handyboard)
 
  digital out
 
I am in the need for additional digital outputs. I have read the FAQ and found out that to get 8 more digital outs, I have to connect the 'hc374' clock line to any of the unused output latch selects of the 'hc138'. Has anyone done this? If so, any (...) (26 years ago, 5-Aug-98, to lugnet.robotics.handyboard)
 
  Pull Up Resistor
 
Hi, The polaroid documentation mentions that a 4.7K resistor should be placed between ECHO and Vcc. Should this be done when interfacing to the HB? Thanks, Sheridan (26 years ago, 5-Aug-98, to lugnet.robotics.handyboard)
 
  Handy Board for Sale!
 
To Anyone Interested, I have a nearly brand new complete Handy Board for Sale. I used it one week and unfortunately it does not have the capability to do what I want. It is complete with battery installed, serial/charger board, software for IBM, (...) (26 years ago, 5-Aug-98, to lugnet.robotics.handyboard)
 
  General use PCB
 
We have been using the Radio Shack, Archer board #276-162A. Specifications: Dimensions 3 inches x 4 inches, with copper lands on one side. 30 holes by 25 holes with mounting holes at 2.5 inch and 3.5 inch spacing. We have to told that Radio Shack (...) (26 years ago, 5-Aug-98, to lugnet.robotics.handyboard)


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