 | | Re: FW: expansion board schematic posted
|
|
(...) Hmmm... why not do this? Use a 74273 and tie it to the HB's data lines and strobe it with Y0 (or Y2 or Y4)? This would create a latched output "port" at address 0x4000. Tie two of the 74273 outputs to the 'A' side of two [N]AND gates (...) (28 years ago, 7-Feb-97, to lugnet.robotics.handyboard)
|
| |
| | help
|
|
help (28 years ago, 7-Feb-97, to lugnet.robotics.handyboard)
|
| |
| | Communication Problems!!!
|
|
i'm having problems with my handyboard communicating with my mac. i cannot seem to get either one to recognize each other in any way. when i jumper the max32 to the 25 pin connector as said in the assembly, the green LED goes on. however, i cannot (...) (28 years ago, 7-Feb-97, to lugnet.robotics.handyboard)
|
| |
| | Mobot report
|
|
-- MIME ATTACHMENTS DISCARDED: 1. Content-Type: text/plain; charset="us-ascii" Content-Disposition: attachment; filename="1.TXT" Content-Length: 33505 2. Content-Type: text/plain; charset="us-ascii" Content-Length: 1 (28 years ago, 7-Feb-97, to lugnet.robotics.handyboard)
|
| |
| | Re: expansion board schematic posted
|
|
(...) Since there's some prototyping area, why not just make them regular CMOS signals and include application notes on the web page on how to use the signals for various options. How does the expansion board mount? Looks like it plugs into the top (...) (28 years ago, 7-Feb-97, to lugnet.robotics.handyboard)
|
