 | | Re: servo program
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Here's a simple program that will make a servo move as the knob on the Handyboard is turned: int i; void main() { init_expbd_servos(1); while(1) { i= knob(); i = (i*10)+1000; printf("val %d\n",i); msleep(20L); servo0 = i; } } (...) (25 years ago, 29-Nov-99, to lugnet.robotics.handyboard)
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| | Re: servo program
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Dear ?: First off, your program contains an infinite loop; statement return(0); will never be reached. Also you told it that main does not return a value, yet you used e return in the end. This will generate a compiler error for sure. I belief the (...) (25 years ago, 29-Nov-99, to lugnet.robotics.handyboard)
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| | Re: evaluate inverse cosine, sine in IC
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I've been trying to do this as well. The problem I have found is that the Taylor series expansion needs to be developed near the solution to get accurate results. Some may wonder why finding the arcsine of a number might be of interest. If one has a (...) (25 years ago, 29-Nov-99, to lugnet.robotics.handyboard)
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| | servo program
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Can anyone please write me a brief servo motor program that will control two servos from the expansion board? This the one I had to control one, but did not work: void main(void) { while(1) { init_expbd_servos(1) servo0 = 1000 } return(0); } (...) (25 years ago, 29-Nov-99, to lugnet.robotics.handyboard)
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| | Re: Opto isolator
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Hi Tim, Try (URL) and (URL) seems to be a huge variety of MOC3x series optoisolators to choose from. You might be able to find a substitute for the MOC5003 or 4 that you're looking for. Good luck, (...) Great minds discuss ideas; Average minds (...) (25 years ago, 28-Nov-99, to lugnet.robotics.handyboard)
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| | Opto isolator
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Hi, I was wandering if anyone knew where I could get a MOC5003 or MOC5004 opto isolator. I tried looking on the motorola web site but could not find it. Does any one know where I coul something similiar to this that works the same way. TIM ___...___ (...) (25 years ago, 28-Nov-99, to lugnet.robotics.handyboard)
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| | digital outputs
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Hello everyone... I hav already connected a hc374 to Y0 of the expansion bus to get 8 digital outs, It works gr8. I need anouther 32 outputs which meens I need 4 more latch selects. Can I use Y1, Y2, Y3, Y4, and Y5 if needed? Y0 is used by (...) (25 years ago, 28-Nov-99, to lugnet.robotics.handyboard)
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| | Navigation with two Polaroid Sonars?
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What is a good meathod to implement navigation on a robot with two Polaroid sonars and basic two-motor steering? I was doing research and they use nueral networks and such, but I am not yet at the stage to implement something that complex. Thanks (...) (25 years ago, 27-Nov-99, to lugnet.robotics.handyboard)
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| | Interface to other displays
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Hi, Does anyone have info on replacing the LCD with another type of display? What I have in mind is an array of 5 X 7 LED displays. No sense reinventing the wheel if someone has already done this. TIA John (25 years ago, 27-Nov-99, to lugnet.robotics.handyboard)
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| | alphanumeric plasma display
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Hi, I got one alphanumeric plasma display 40 char X 8 lines made by industrial electronics engineers from a surplus store for $7.50. But i didn't have any litarature about this product. I tried to search for their web site but no luck. If any one (...) (25 years ago, 26-Nov-99, to lugnet.robotics.handyboard)
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