 | | Smoking serial/charger board...!!!
|
|
Well, Today I dig up my handyboard which was working fine with the serial/sharger board and all the last time I used it a few months ago. After a fresh overnight NiCd charge using the onboad power connector (i.e. not using the serial/charger board), (...) (27 years ago, 24-Jul-97, to lugnet.robotics.handyboard)
|
| |
| | Spi distances
|
|
I want to connect various handyboard in a ring configuration, and i think do it via the SPI port. I need aprox. 50 meters between handyboards.Can the SPI support that distance ??? If don't how i can do that. Any help be beatifoul. Thanks in (...) (27 years ago, 24-Jul-97, to lugnet.robotics.handyboard)
|
| |
| | Re: New list member
|
|
Regarding your problem with the jack on the serial line getting hot and melting (uh oh), I believe it is because the HB and Mini-SSC serial lines aren't quite compatable. If you're lucky, you might be getting data through (random coincidence?), but (...) (27 years ago, 23-Jul-97, to lugnet.robotics.handyboard)
|
| |
| | 2nd line of display
|
|
I was wondering how to access the 2nd line of the display directly. In my application I would like to update the bottom line without changing the top line. Anyone know any way to do this? Any other info on direct positioning of the cursor? Thanks, (...) (27 years ago, 23-Jul-97, to lugnet.robotics.handyboard)
|
| |
| | New list member
|
|
Just wanted to introduce myself as a new mailing list member. I've been reading the archives for a while, but my workplace only got the mailer working correctly to external locations yesterday. Anyway, I got my HB a while ago from Digital (...) (27 years ago, 23-Jul-97, to lugnet.robotics.handyboard)
|
| |
| | Load Capacitance of the 8MHz crystal?
|
|
Salutations, all, I'm putting together a couple boards, and Mouser has (unfortunately) discontinued the part number listed in the parts list. There are, however, several 8MHz crystals of an appropriate size in the catalog, but I don't have an old (...) (27 years ago, 23-Jul-97, to lugnet.robotics.handyboard)
|
| |
| | Obtaining the Handyboard in the UK
|
|
I have check with Customs & Excise in the UK and they say that there is no ?145 limit so obtaining the board from Hong Kong seems like a better idea and getting the enclosures from the states on their own (the charger needs to be obtained in the UK (...) (27 years ago, 23-Jul-97, to lugnet.robotics.handyboard)
|
| |
| | Re: Converting servos + other stuff
|
|
(...) Servos work well, but are constrained to relatively light robots (less thana three pounds. You can use them on heavier robots if you install a bearing axle for the wheels and just use the servo to drive the wheel. Basically the servo wasn't (...) (27 years ago, 23-Jul-97, to lugnet.robotics.handyboard)
|
| |
| | Converting servos + other stuff
|
|
hello, Yall! I'm trying to find a good source for motors, but to no avail.Has anyone tried using modified servos, as described in 'mobile robots'(Jones and Flynn)? It seems kind of expensive, but these appear to be pretty good quality stuff. (...) (27 years ago, 23-Jul-97, to lugnet.robotics.handyboard)
|
| |
| | i/c board as battery charger
|
|
Hi, I've just succesfully assembled the hb kit i got from Digital Micro and attached it to a 2 wheel differential drive chassis. I'm very pleased with the handy board, but it's been a bit annoying when i'm downloading pcode and it takes the board a (...) (27 years ago, 22-Jul-97, to lugnet.robotics.handyboard)
|
