 | | RE: Wireless Link to HB
|
|
Dave, I have been doing radio communications between my HB and a remote sensor but I am sure you could use the same radios for communicating with a PC at up to 2400 bps. I have been using an Elsema transceiver coupled with an FSK modem chip. (...) (26 years ago, 5-Oct-98, to lugnet.robotics.handyboard)
|
| |
| | Need help -- connecting a 4x40 LCD
|
|
Hi all, I need to connect a 4x40 LCD to the Handy Board. The "daughter board"(*) seems to contain the HD44780 controller and a 2x16 LCD. Ideally, we'd like to remove only the 2x16 LCD and replace it with a 4x40 LCD that supports the HD44780. Any (...) (26 years ago, 4-Oct-98, to lugnet.robotics.handyboard)
|
| |
| | Replaced switch problem...
|
|
Hi everyone, I hope you all are happy with each and every of your HANDYBOARDS, because I am not. I have just solved my RESET problem by changing the "tri-state bus controller" 74hc244 chip, I can RESET my HB by switching it off first, then on. This (...) (26 years ago, 4-Oct-98, to lugnet.robotics.handyboard)
|
| |
| | Fred thanks it Works Great but serial comm(?!) trouble
|
|
Fred, Thanks the Polaroid sensors work great. But I'm having trouble getting the two Handy Boards to commicate using Randy's routiine for the 6.270 board. I have one board print everything that it gets from the serial port. And I have another (...) (26 years ago, 4-Oct-98, to lugnet.robotics.handyboard)
|
| |
| | RJ 11 data transfer to HB
|
|
I was wondering if anybody knows how data is transfered through the RJ 11 modem cable to the Handyboard (i.e. the pin layout). My intention is to use this information to look for/ design a wireless link. Also, I would like to know if anyone has (...) (26 years ago, 3-Oct-98, to lugnet.robotics.handyboard)
|
| |
| | Re: Running Assembly Programs
|
|
BS (shahian), I have written a Machine code programming system, that I use for the Handyboards, in the microprocessor classes I lecture at this university. The Machine code programming system is similar to the Motorolla Buffalo Operating system for (...) (26 years ago, 3-Oct-98, to lugnet.robotics.handyboard)
|
| |
| | (no subject)
|
|
Dear Madhusudan, You have to buy the commercial version of IC to get these features. See (URL) for information. Regards, Fred Martin In your message you said: (...) (26 years ago, 2-Oct-98, to lugnet.robotics.handyboard)
|
| |
| | (no subject)
|
|
Respected Sir, I have read through the Nine rules you mailed me. Iam getting starting with my project. I have a question that can we use structures and Double dimensional arrays in Interactive C. If we can use what will be the syntax. Thanking you, (...) (26 years ago, 2-Oct-98, to lugnet.robotics.handyboard)
|
| |
| | Wireless Link to HB
|
|
I know that this subject has been discussed before, but I was wondering if anybody has succeeded in establishing a 2 way wireless link between a pc and the handyboard. I will appreciate any information. Thanks. Dave (26 years ago, 2-Oct-98, to lugnet.robotics.handyboard)
|
| |
| | (no subject)
|
|
Respected Sir, Iam a student at Bradley University, Peoria. Iam doing my M.S in computer science.As iam doing a project on Handyboard as part of my course. So, Sir Please add me to the Handy Board mailing list. I have studied about the Interactive C (...) (26 years ago, 2-Oct-98, to lugnet.robotics.handyboard)
|
| |
| | Reactivating HB
|
|
After not having used the handyboard for half a year I'm trying to get it going again. The problem is: when connected to the battery (but turned off and all sensors and motors are unplugged), it draws about 0.15 amps After about a minute or two, (...) (26 years ago, 2-Oct-98, to lugnet.robotics.handyboard)
|
| |
| | Reactivating HB
|
|
After not having used the handyboard for half a year I'm trying to get it going again. The problem is: when connected to the battery (but turned off and all sensors and motors are unplugged), it draws about 0.15 amps After about a minute or two, (...) (26 years ago, 2-Oct-98, to lugnet.robotics.handyboard)
|
| |
| | Re: Down loading IC
|
|
Hi, This is in addition to the message by Mr Hui Pak from the Hui Pak Robot Store in Hong Kong. <And I got HB from him too...> In order for you to do a successful bootstrap downloading, press the "stop button" and at the same time, switch the board (...) (26 years ago, 1-Oct-98, to lugnet.robotics.handyboard)
|
| |
| | Re: Multi dimentional Arrays
|
|
Hi all, I have decleared the arrays as static and it worked. Thank you Rick for your help. Thanks also to Will for his help. Kind Regards Sincerely, Javaid Iqbal (26 years ago, 1-Oct-98, to lugnet.robotics.handyboard)
|
| |
| | Re: output to file
|
|
Yes, Write a dos/windows client that reads the serial line and then writes it to file using the C stdio library. -----Original Message----- From: Keith - Lui <luikeith@egr.msu.edu> To: handyboard@media.mit.edu <handyboard@media.mit.edu> Date: (...) (26 years ago, 30-Sep-98, to lugnet.robotics.handyboard)
|
| |
| | Re: IC Programming.
|
|
(...) Converting between types is called casting, and it goes like this: float f = 4.6; int i = (int) f; /* should assign 4 to i, I think */ f = (float) i; /* ought to assign 4.0 to f */ I'm not certain, but usually casting a float to an integer (...) (26 years ago, 30-Sep-98, to lugnet.robotics.handyboard)
|
| |
| | output to file
|
|
Dear all, I would like to output some HB data to a file, is that possible? Keith (26 years ago, 30-Sep-98, to lugnet.robotics.handyboard)
|
| |
| | Re: Down loading IC
|
|
Patrick, Plugged the board into COM1 and all ok - strange as I use a modem in COM2 and this runs OK. Thanks for the advice Andy Burton <Have you tried to download the IC in COM1? <Download mode is the same as bootstrap mode where both LEDs (Red and (...) (26 years ago, 30-Sep-98, to lugnet.robotics.handyboard)
|
| |
| | Re: Running Assembly Programs
|
|
(...) On the 6.270 board I run an application that is mostly timer interrupt handlers and motor drivers all written in assembler. I took the assembler off of the MIT site on Cher and I wrote a small C main program that calls into the assembler and (...) (26 years ago, 30-Sep-98, to lugnet.robotics.handyboard, lugnet.robotics)
|
| |
| | RE: HB Serial Communication ("network style" cable?)
|
|
Where do I get the "network style" cable to hook the 2 HBs together. -----Original Message----- From: Fred G. Martin [SMTP:fredm@media.mit.edu] Sent: Monday, September 28, 1998 10:44 PM To: Peter Eacmen Cc: 'handyboard@media.mit.edu' Subject: Re: HB (...) (26 years ago, 30-Sep-98, to lugnet.robotics.handyboard)
|
