 | | Re: Underwater Sensors
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If you had two wires hanging out, stripped at the ends, you could just check the resistance across them. Water usually has less resistance than air. (not a very cool solution but I think it would work) (...) (23 years ago, 11-Feb-01, to lugnet.robotics.handyboard)
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| | Re: Sonar and the expansion board.
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Nick.. I have exactly the same problem.. I couldn't even get the 'clicking' to start with and the chips on the sonar board got a little warm. I then have fitted the diodes in series with the power to the sonar board (connector pin 9) and added a 1K (...) (23 years ago, 11-Feb-01, to lugnet.robotics.handyboard)
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| | Underwater Sensors
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Anyone know of any sensors that could be used to tell if a robot is underwater or not? I'm working on an amphibious robot and need a way to tell what environment I'm in at any given time. Thanks. James (23 years ago, 10-Feb-01, to lugnet.robotics.handyboard)
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| | Re: downloading pcode
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After the Hyperterminal test I found that the loopback portion of the test failed. I have checked the continuity on each line of the phone cable and it looks good. As mentioned before the MAX232 chip on the Interface board has been replaced. I will (...) (23 years ago, 10-Feb-01, to lugnet.robotics.handyboard)
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| | Re: downloading pcode
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Hi -- it might be driver issues on the Windows site. Please go through the debug instructs at (URL) let us know where you stand after the HyperTerminal test. Fred In your message you said: (...) (23 years ago, 8-Feb-01, to lugnet.robotics.handyboard)
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| | downloading pcode
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Hi everyone, Need some help downloading pcode. Have a row of black squares right now and have tried several different computers with the same 'wrong port or board mode.' I'm sure its in the bootstrap mode and also have replaced the MAX232 chip on (...) (23 years ago, 8-Feb-01, to lugnet.robotics.handyboard)
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| | Re: Short Circute Problem -- EMERGENCY
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Hi, guys i realy in trouble now. i thought my memory fried out and replaced it with new chip and quad nands(hc132). but still no luck. i ordered processor from B.G.Micro and waiting for that shipment. do you guys have any idea what's the problem (...) (23 years ago, 7-Feb-01, to lugnet.robotics.handyboard)
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| | Equivalent/Compatible sensor to Sharp IS1U60
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Hi All, I was wondering if there was a another sensor compatible with the handy board that i could use in place of the Sharp IS1U60 IR demodulator, that is more readily avalable (ie in Radio Shack etc), to recieve signals from a Sony remote control (...) (23 years ago, 7-Feb-01, to lugnet.robotics.handyboard)
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| | where is ldxibase.asm
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Hi, I am doing some assembly programming for the Handyboard and I can't seem to locate the file ldxibase.asm used in many of the .asm examples I have seen posted on the Handyboard site. Any idea where I can get it? Or tips on creating it. Also, I (...) (23 years ago, 6-Feb-01, to lugnet.robotics.handyboard)
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| | Re: IC problem
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Fred and Jim, Thank you for your quick responses. I can now see that I was trying to make a relatively simple piece of code very complicated. I rewrote the program using Fred's suggestions and wound up with the following simple, efficient program (...) (23 years ago, 5-Feb-01, to lugnet.robotics.handyboard)
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| | Re: IC problem
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Hi. The default process is running of out stack. This is because you've written a program in which one function calls another, which calls another, which calls the first. Each time a function is called, an internal "call stack" must keep track of (...) (23 years ago, 4-Feb-01, to lugnet.robotics.handyboard)
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| | IC problem
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I have written a small program for the Handyboard to test program flow in IC. It is supposed to print "Step1", "Step2", Step3" in sucession to the LCD in an endless loop until I reset the board. It works properly through 12 cycles but on the 13th (...) (23 years ago, 4-Feb-01, to lugnet.robotics.handyboard)
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| | Re: Short Circute Problem -- EMERGENCY
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Hi guys , i tried all the tests mentioned in the HB assembly to find out which part of the HB blown. No luck. i am giving the results here: 1) Tested the interface and charger board - looks good. (Both power supply and the MAX232 circuit) 2) Tested (...) (23 years ago, 2-Feb-01, to lugnet.robotics.handyboard)
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| | RE: 68HC11 (Evaluation Board)
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I was wondering if anyone was aware of any pre-existing library calls that would allow an individual using an Evaluation Board (EVB-68HC11)+ Buffallo Monitor(ImageCraft C v5.0) to access the system clock. I've noticed that with using Interactive C (...) (23 years ago, 1-Feb-01, to lugnet.robotics.handyboard)
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| | unsuscribe
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How do i unsuscribe from the list? Thank you. (23 years ago, 1-Feb-01, to lugnet.robotics.handyboard)
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| | Re: Short Circute Problem -- EMERGENCY
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Hi Rainer, thanks for your advise on this. i will fallow the test cycles mentioned in HB manual. What i noticed is , charging circuit(changeing/interface board) working and HB is working in bootstrap mode also. it is able to sync with IC in (...) (23 years ago, 1-Feb-01, to lugnet.robotics.handyboard)
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| | Re: hacking servo motors
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Thanks guys(Rainer and Gary) for your valuble ideas. i think i will go with the Rainer's method because of the simpicity(only one motor). any way i designed my sensor module for beacon finding long back with three sensors. so now i got confidence (...) (23 years ago, 1-Feb-01, to lugnet.robotics.handyboard)
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| | Re: Short Circute Problem -- EMERGENCY
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(...) Hi Raj, first you should have a look at the assembly manual (URL) are testing description for every step of assembling. So you'll possibly find the proplem on your own. If not you will have to describe the spot you touched your HB more precise (...) (23 years ago, 1-Feb-01, to lugnet.robotics.handyboard)
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| | Short Circute Problem -- EMERGENCY
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Hi Guys, I got a serious problem with my HB. Bymistake my 12 volts 1 amp power cord touched to HB(which is on at that time) circut track near the HB's direct charge connector. then there is short circuit crisp sound from that are and HB stoped (...) (23 years ago, 1-Feb-01, to lugnet.robotics.handyboard)
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| | Re: Looking for GP2D02 sensor connector
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(...) (URL) (...) (23 years ago, 31-Jan-01, to lugnet.robotics.handyboard)
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