 | | FingerBoard Users?
|
|
I want to add a minimal board as a slave to my HandyBoard. My choices seem to be the FingerBoard, MiniBoard, and BOTBoard. At this point the FingerBoard is my first choice. Is there anyone here who has used this board? Any comments? Pros and cons of (...) (26 years ago, 14-Jan-99, to lugnet.robotics.handyboard)
|
| |
| | Re: Help with cables
|
|
milind, To check your phone cord, hold the ends together so that the wires are away from each other. Look through the clear connector. The wire colors should line up in this orientation. There is a little more to the DB-25 issue. "Null modem" vs. (...) (26 years ago, 14-Jan-99, to lugnet.robotics.handyboard)
|
| |
| | assembling the pcode
|
|
hi i've recently modified the pcode.asm file to make the timer interrupt occur at 2KHz, rather than 1KHz. does anyone know how i'm supposed to assemble/compile this pcode.asm file into the pcode_hb.s19 file that will be loaded into the Handyboard? (...) (26 years ago, 14-Jan-99, to lugnet.robotics.handyboard)
|
| |
| | Re: TI SN754410
|
|
(...) If you can't find the TI chip try doubling up on the L293D by piggybacking them on top of each other for added amps. You can use one L293D with an additional L293 on top of it (the 'D' has protection diodes that you MUST have). You may need to (...) (26 years ago, 14-Jan-99, to lugnet.robotics.handyboard)
|
| |
| | Help
|
|
thank you for the apt and quick reply. if you could tell us what is the difference between a straight through cable and a null modem cable it would be great( we are using a 25 female to 25 female connector) and how to identify the difference between (...) (26 years ago, 14-Jan-99, to lugnet.robotics.handyboard)
|
| |
| | (no subject)
|
|
Dear Friends, We, at VESIT ,Bombay,India are making a rover which is capable of navigating itself and avoiding obstacles.For this,we are using the handy board.The soldering work has been completed and we are now trying to use 'download software' (...) (26 years ago, 14-Jan-99, to lugnet.robotics.handyboard)
|
| |
| | Serial interface
|
|
Re Serial interface problems in Bombay When I assembled the inteface board, I made the mistake of putting a male connector on the interface board. I had the same problems as you and this turned out to be the obvious cause.... so double check all (...) (26 years ago, 13-Jan-99, to lugnet.robotics.handyboard)
|
| |
| | Digital troubles
|
|
Hi all, I am assembling a handyboard and things have gone well until I got to the section 7.1.1 in the assembly manual. I assembled the digital inputs, and when I used the function testdigitals(), the start button is the only one that will register (...) (26 years ago, 13-Jan-99, to lugnet.robotics.handyboard)
|
| |
| | troubleshooting
|
|
The interface charger board is soldered and the max232 chip has been tested works perfectly and the green led SER glows on shorting the pind of max232 and the J3 socket. But when the host computer is connected and the proper downloaded is connected (...) (26 years ago, 13-Jan-99, to lugnet.robotics.handyboard)
|
| |
| | Re: serial interface trouble
|
|
SHETTI.NITIN.MANGESH wrote: <snip> (...) The most common problems seem to be with the types of cables and the serial port settings. Make sure that you are using a straight through cable (not a null modem cable) to connect the HB to the serial port, (...) (26 years ago, 13-Jan-99, to lugnet.robotics.handyboard)
|
