 | | Nevermind Squared...
|
|
Ok, after reading it for the nth time, I think I understand this statement now: <<The normally open case means that the sensor line is pulled high by the 47K resistor on the Handy Board. The standard software for reading the state of a switch (...) (28 years ago, 6-Oct-98, to lugnet.robotics.handyboard)
|
| |
| | Nevermind...but, What is Normally Open?
|
|
Ok, I feel real dumb. I could have sworn I didn't see the answer to that last question when I read the printed version of the docs I had. Now, I found the answer at: <<el.www.media.mit.e...dex.html>> I guess I was scanning the text for reference to (...) (28 years ago, 6-Oct-98, to lugnet.robotics.handyboard)
|
| |
| | Thanks! I found the FAQ and Archives...
|
|
Thanks all for the motor tips! I've found the FAQ and the Mail List archives...so I shouldn't be asking so many dumb questions. However, since I've checked the FAQ and am have 45 minutes left doownloading the Archives...I have another (...) (28 years ago, 6-Oct-98, to lugnet.robotics.handyboard)
|
| |
| | Re: finding parts for Handy Board
|
|
Russ, From your email address I assume your are looking for parts in the UK. SRAM - I don't have a Farnell catalog around but almost any 32Kx8 SRAM should work. RS part number: 311-007 Toshiba TC55257DPI, 265-465 NEC uPD43256. 68HC11 - The (...) (28 years ago, 6-Oct-98, to lugnet.robotics.handyboard)
|
| |
| | RE: finding parts for Handy Board
|
|
The PLCC version of the 68HC11 is the one that you want. The part number from R.S. is 265-853 and in the July 97 - October 97 catalog it cost 7.50 pounds + VAT. This price has no doubt increased but the stock number should be correct. The 32K RAM I (...) (28 years ago, 6-Oct-98, to lugnet.robotics.handyboard)
|
