 | | Re: Serial input
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the only easy way to get a serial input is to take over the console port used by IC. this isn't hard to do, but you lose the ability to interact with the board via IC while your board is running your code which is tlaking to the alternate serial (...) (26 years ago, 22-Sep-98, to lugnet.robotics.handyboard)
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| | Digital Output
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Hi, I am working on a totally autonomous sumo wrestling robot, using the HB as its brain. I have interfaced sensors to it, and even designed a high current motor driver circuit to directly interface to the existing L293D inputs (Info available on (...) (26 years ago, 22-Sep-98, to lugnet.robotics.handyboard)
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| | Serial input
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I am working on a project that requires serial output devices, I would like to connect these to the digital inputs. Is there anyone that has some routines (preferably ic funtions) that I could have that do this. Is there a way to use the SPI port to (...) (26 years ago, 21-Sep-98, to lugnet.robotics.handyboard)
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| | help!
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Dear hb-fans, I'm currently trying to use the handy board to run a 12-legged robot. I've tried to power the motors directly from the hb motor output but apparently the current supplied is too low. Is there any simple method of powering my motor and (...) (26 years ago, 21-Sep-98, to lugnet.robotics.handyboard)
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| | newbie needs help.
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I just bought a pre-assembled Handyboard. And I am about to explore it. Already I am having problems. I am trying to go into the bootstrap download mode as described in the manual, but it doesnt work. I turn off the handy board, hold down the STOP (...) (26 years ago, 21-Sep-98, to lugnet.robotics.handyboard)
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| | stepper motor speed
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Hi, Recently, I have connected the wires out from the 4 motors ports on the HB and then directly connected to the driver L298.Next, the o/p of L298 is connected to the stepper motor which drawn 3A. I supply 4A parallel to the 2 motors. Hence, each (...) (26 years ago, 20-Sep-98, to lugnet.robotics.handyboard)
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| | Re: lcd screen pinouts
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the LCD should work fine. On the HB, pin 1 is on the top left, and pin 14 is on the top right. Just hook them up in order and you're all set. Fred In your message you said: (...) (26 years ago, 18-Sep-98, to lugnet.robotics.handyboard)
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| | lcd screen pinouts
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Hi I have purchased an lcd screen for the handyboard, however it's not the ridji-dij lcd. The pinouts are as follows pin symbol function 1 Vss 0v 2 Vdd 5v 3 Vo contrast adjustment 4 RS register select 5 R/W read/write 6 E enable signal 7 DB0 databit (...) (26 years ago, 18-Sep-98, to lugnet.robotics.handyboard)
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| | Handy Board expansion board
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As I am new to this mailing list, I wondered if anyone could tell me if it is possible to obtain expansion board pcb's, or is it still at the beta testing stage. Looking at the web pages it seems to give several more outputs/inputs. Any more info on (...) (26 years ago, 18-Sep-98, to lugnet.robotics.handyboard)
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| | Card readers
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Is there anyone familliar with magnetic card readers, I would like to know where I could get some information on them (communications, etc...) Thanks, Joe Hoffmann E-Mail jhoffman@it.sait.ab.ca (26 years ago, 15-Sep-98, to lugnet.robotics.handyboard)
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| | Re: <obstacles>
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Ok. If you used 2 motors in m1(right) & m3(left) , and your sensor was at the front (and only one), and in port 15, a short program for running it could be: /*Start of avoid.c */ void main(){ while(1){ /*Puts program in an infinite loop*/ fd(1); (...) (26 years ago, 15-Sep-98, to lugnet.robotics.handyboard)
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| | Re: Re: <obstacles>
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I don't really know how to explain finite state machines (FSMs) or parse trees...(I'm not in computer science...) but my artificial life class's homepage is still up and the text is available through it in post-script format ((URL) everyone that (...) (26 years ago, 14-Sep-98, to lugnet.robotics.handyboard)
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| | Re: WARNING: +5 supply exposed
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I got my PCB from Miranda Robotics (mail to colin@prospero.u-net.com for more information) in England, and the trace is fully covered. Apperently, not al HandyBoard PCB's ar exactly the same. Thanks for the tip anyway. Jeroen van der Vegt. (...) (...) (26 years ago, 14-Sep-98, to lugnet.robotics.handyboard)
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| | Handyboard on 9V battery?
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Can it be done? I'm using the Handyboard to control my hexapod robot and weight is a problem. At the moment I have 8 AA batteries connected which are not particularly weight light. I'm not using any of the motor driving functions of the board, just (...) (26 years ago, 14-Sep-98, to lugnet.robotics.handyboard)
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| | Re:
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(...) There's many ways you can approach obstacle avoiding. There are neural nets, evolutionary code (incl. genetic programming and genetic algorithms), finite state machines, and there's hard-coding it into the program (which, of course is no fun (...) (26 years ago, 14-Sep-98, to lugnet.robotics.handyboard)
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| | (no subject)
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Hi,all I am trying to write neural-fuzzy code for avioding of obstacle. I am using handy board. I never wrote a code for fuzzy logic. can anybody suggest me any good site on web for fuzzy logic or any book or any code which he has written. Thanks in (...) (26 years ago, 14-Sep-98, to lugnet.robotics.handyboard)
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| | Manual reading
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Hi, Besides the source of manual on Interactive C from the internet, Is there any other sources on the IC software for me to find out more on IC , Eg book ? There are a lot of text book concern the software like C++, java , how about Interactive C . (...) (26 years ago, 12-Sep-98, to lugnet.robotics.handyboard)
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| | WARNING: +5 supply exposed
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Take a moment to look at your Handy Board. There is a thick trace along the top, right and bottom edge. This is your regulated +5 line. Now look very closely at the outer edge of this trace. It should be completely green (covered with solder mask). (...) (26 years ago, 12-Sep-98, to lugnet.robotics.handyboard)
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| | WARNING: +5 supply exposed
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Take a moment to look at your Handy Board. There is a thick trace along the top, right and bottom edge. This is your regulated +5 line. Now look very closely at the outer edge of this trace. It should be completely green (covered with solder mask). (...) (26 years ago, 12-Sep-98, to lugnet.robotics.handyboard)
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| | My problems with digital outputs
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Dear Mr Fred Martin, My project requires digital outputs and does not need to have motor outputs. I have also read your FAQ and one of them states that by adding a hc374 IC chip in a similar fashoin to the one driving the motor circuits, and (...) (26 years ago, 12-Sep-98, to lugnet.robotics.handyboard)
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