 | | Re: Compiler errors.
|
|
I really don't know what the problem with your compiler is. Maybe it's the wrong one for your programming language or for the board you're using. In the version of IC I program with, the program would look more like the following. Maybe that can (...) (27 years ago, 21-May-97, to lugnet.robotics.handyboard)
|
| |
| | purchasing IC 3.1?
|
|
Is there anywhere I can purchase IC 3.1 via check? I'm not the (un)lucky owner of a credit card, and paying by check would make things a lot easier for me... ---...--- Jeff Keyzer UCSD EE Major jkeyzer@ucsd.edu (URL) (27 years ago, 21-May-97, to lugnet.robotics.handyboard)
|
| |
| | Compiler errors.
|
|
I am still getting a strange compiler error and I can't figure it out. The exact error is: Compiler error! 62 extra bytes left on board stack Sometimes the number of bytes is more and sometimes less. I'm sending along a copy of the code that is (...) (27 years ago, 21-May-97, to lugnet.robotics.handyboard)
|
| |
| | Re: IR signal
|
|
Sounds to me like your LED is just not focused straight ahead. I found that sticking the IR LED in a Radio Shack panel mount LED holder (cat no 276-080a) worked the best for focusing the beam of IR. I had tried soda straws and other things, but the (...) (27 years ago, 21-May-97, to lugnet.robotics.handyboard)
|
| |
| | Re: buying Chips
|
|
(...) I just ordered two 68HC11A1FN's today from B.G.Micro for $6.95 each. 62256 32x8 static ram's for $2.99 each. www.b.g.micro.com Terry Gathright 669@worldnet.att.net (27 years ago, 20-May-97, to lugnet.robotics.handyboard)
|
| |
| | 6500 Sonar and HandyBoard
|
|
Kent, I read your quick explaination of how to connect the Polaroid 6500 sonar board to the HandyBoard, and I have a couple of questions.... Mainly, you mention that the INIT signal plugs into pin 9 of the second motor driver chip socket, and that (...) (27 years ago, 20-May-97, to lugnet.robotics.handyboard)
|
| |
| | Re: Soldering...
|
|
This is my case to. I had never soldered before, but it went off with out a problem. Thanks Fred!!!!! GO FOR IT and GOOD LUCK (...) (27 years ago, 20-May-97, to lugnet.robotics.handyboard)
|
| |
| | Re: Has anyone built this homebrew sonar ranging board?
|
|
Polaroid OEM Components Group (617)386-3965 $99 for two sets ---...--- ericson mar Master of Engineering Candidate Project: Mobile Robotics mar@cooper.edu (212)353-4356 Department of Mechanical Engineering The Cooper Union for the Advancement of (...) (27 years ago, 20-May-97, to lugnet.robotics.handyboard)
|
| |
| | Re: Digital Micro Systems
|
|
Everybody, DMSC is run by a nice guy named Prabal Dutta who posts frequently to this list and who isn't evil and as far as I can tell isn't over his head like some "vendors" in the robotics community have been. If you can send email, then sending (...) (27 years ago, 20-May-97, to lugnet.robotics.handyboard)
|
| |
| | Re: Digital Micro Systems
|
|
Agreed, its a poor way to do business, 'specially for a small business man, I will not place an order with them again. My students, who need these boards to complete senior design projects and graduate are not happy. - Joe C. (...) (27 years ago, 20-May-97, to lugnet.robotics.handyboard)
|
| |
| | Has anyone built this homebrew sonar ranging board?
|
|
(URL) a system similiar to the Polaroid 6500, but costs <$10 to build. Has anyone done it? Should I try it and share the results? (of course I should!) Does anyone see any major drawbacks after reading that, as compared to the Polaroid 6500? Is (...) (27 years ago, 20-May-97, to lugnet.robotics.handyboard)
|
| |
| | Re: Digital Micro Systems
|
|
Joseph, (...) I have been trying for two weeks to get a hold of them. None of my messages (phone/email) are answered, and I am still waiting for the parts (high current H-bridges) to arrive. I suppose they still don't have them in stock, but it (...) (27 years ago, 20-May-97, to lugnet.robotics.handyboard)
|
| |
| | Digital Micro Systems
|
|
I placed an order with Digital Micro Systems for two complete handyboard systems on 16-April-97. Delivery was promised by 5/12. It has not been received. Three phone calls to their answering machine (is this place ever open?) have remained (...) (27 years ago, 20-May-97, to lugnet.robotics.handyboard)
|
| |
| | Re: Generic 68HC11 board question-
|
|
w/o the ds1233, the contents of the ram will become corrupted during power-up or power-down of the 6811. an r/c could protect during power-up, but wouldn't reset the 6811 during power down. remember it's still trying to execute code as system (...) (27 years ago, 20-May-97, to lugnet.robotics.handyboard)
|
| |
| | Soldering...
|
|
(...) Mirco >System, since I'm a bit tight with money. However, I'm a bit hesitant >about assembling the kit because I have no experience at all with (...) like the HB before (I'm a software type guy), but thanks to Fred Martin's concise (...) (27 years ago, 20-May-97, to lugnet.robotics.handyboard)
|
| |
| | re: Digital Micro Systems
|
|
(...) I called them up a couple of weeks ago to order complete boards, and they said they were backordered on the completed kits, but could send an unassembled kit. So I ordered a kit and it arrived in 3 days. It turned out that I had received a bad (...) (27 years ago, 20-May-97, to lugnet.robotics.handyboard)
|
| |
| | Generic 68HC11 board question-
|
|
Howdy- I was wondering about the DS1233 EconoReset thingy- what would happen if it wasn't there and reset was just tied high or through a RC delay to high? Does the DS1233 just add to 'reset stability' or is it important to keep reset from going (...) (27 years ago, 20-May-97, to lugnet.robotics.handyboard)
|
| |
| | Re: buying Chips
|
|
(...) Jameco's (www.jameco.com) May-June-July catalog lists them for 13.95 in quantities of 1-9. They're on page 13 but they are the wrong (Dual in Line) package so I'm not sure this helps. Bob. (...) Robert - Bob - Campanini 913/843-6412 2706 (...) (27 years ago, 20-May-97, to lugnet.robotics.handyboard)
|
| |
| | buying Chips
|
|
Anyone know where to get a hold of one 6811 microprocessor for around $10? Everything I've seen sofar either wants you to buy in bulk (you have to buy 23 @ $7.11 from Motorolla) or almost $20 for 1 chip. This stinks! Any info would be appreciated. (...) (27 years ago, 19-May-97, to lugnet.robotics.handyboard)
|
| |
| | Re: Handy Board Problem: getting hb back into download mode
|
|
(...) Are you holding down the STOP button? With the board powered on, read the voltage at pin 3 of the 6811. When pressing the STOP button, pin 3 should read between zero volts and 0.6v. Releasing the STOP button, you should get 5v. If you get 5v (...) (27 years ago, 19-May-97, to lugnet.robotics.handyboard)
|
