 | | (no subject)
|
|
My E-mail address will be switching to: ameba@email.mcleod.net -thanx (28 years ago, 8-Dec-96, to lugnet.robotics.handyboard)
|
| |
| | Re: Headers
|
|
Good Idea! Thanks. Another Question. What are these? SINGLE ROW MALE HEADER GOLD SINGLE ROW MALE HEADER SOLDER I guess gold is a better condutor. SBut what is solder as opposed to gold. Is it soft or has a low melting point? If so, why is it like (...) (28 years ago, 8-Dec-96, to lugnet.robotics.handyboard)
|
| |
| | Re: Headers
|
|
(...) The difference is the plating. One version is plated w/ gold and the other w/ tin. The differnce is gold gives a lower contact resistance, and usually costs more. ;) If given the choice, I usualy go with the cheaper one. My projects don't (...) (28 years ago, 8-Dec-96, to lugnet.robotics.handyboard)
|
| |
| | H-bridge.
|
|
I'm wondering you can piggy-back transistors to create a high amp H-bridge. Would this work? :) (28 years ago, 8-Dec-96, to lugnet.robotics.handyboard)
|
| |
| | Re: Headers
|
|
(...) Yep, those are the part no.'s Just go to digi-key's site and do a part no. search. It'll give the part description and price. matt ___...___ Matthew J. Harlan Cornell University Electrical Engineering mjh10@cornell.edu (28 years ago, 8-Dec-96, to lugnet.robotics.handyboard)
|
| |
| | IR relectance Sensors
|
|
Where is a good place to get IR relectance sensors? Also, I'm having a little trouble comprehending some specs. What is the "sensing distance". For example, (in the Mouser CAtalog) the sensing distance of as Omron optical sensor with built in (...) (28 years ago, 8-Dec-96, to lugnet.robotics.handyboard)
|
| |
| | Headers
|
|
I can't seem to find the male and female headers in the Digikey catalog. Is the No. in the HB Tech Ref (929974-01-36-ND and 929834-01-36-ND) the Digikey Part No.? Perhaps someone can tell me a description. Is it English or Metric? Thanks. (28 years ago, 7-Dec-96, to lugnet.robotics.handyboard)
|
| |
| | New Handy board question
|
|
Hi! Our board is fixed, thanks for your advice David. It was actually the circuit board holder vice that we were using to hold the board while soldering. It was made of metal and shorting power to ground. . . Our second board has a problem now, this (...) (28 years ago, 6-Dec-96, to lugnet.robotics.handyboard)
|
| |
| | Re: (Handy-B) wrong connection...
|
|
(...) any normal cmos low power 28-pin (JEDEC standard) 32K RAM will work. You do not need a special battery backed variety. you also might have blown the 'hc373 chip, since that is part of the memory circuit. also check the 'hc132. hopefully the (...) (28 years ago, 6-Dec-96, to lugnet.robotics.handyboard)
|
| |
| | successful downloading
|
|
Greetings, Thanks to all who replied. I downloaded dlm.exe and a new copy of pcode and it worked with the -256 option. The old version of dlm which I had did not recognize the -256 option, and I think that was the root of the problem. Onward..... (...) (28 years ago, 6-Dec-96, to lugnet.robotics.handyboard)
|
