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Hello I made some changes to the pcode_hb.asm file (by Julian Skidmore for the 100 steps PWM) and I need to compile/assemble it into a .s19 file (pcode_hb.s19) before I can download it onto the HandyBoard. It seems to me that I require both a C (...) (26 years ago, 2-Mar-99, to lugnet.robotics.handyboard)
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| | RE: Polaroid sonar problems
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I also found that my neon light in my magnifying lens lamp caused erroneous readings. When I turned it off or moved it away the readings normalized (gave the correct results). Shielding wasn't effective in this instance. I did completely away with (...) (26 years ago, 2-Mar-99, to lugnet.robotics.handyboard)
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| | Re: Polaroid sonar problems
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(...) I assume that your sonar pings (makes a clicking sound). If so, then you may be getting a premature echo. You might try mounting the transducer in putty to absorb vibration. You could try lengthening the blanking interval to make sure that the (...) (26 years ago, 1-Mar-99, to lugnet.robotics.handyboard)
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| | Re: Bipolar Stepper Motors
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First thing take an ohm meter and "read" your coils. From any wire you should have one other wire at a low resistance and two at a high resistance. This will first determine if you have it wired right. On my steppers the outside two form one coil (...) (26 years ago, 1-Mar-99, to lugnet.robotics.handyboard)
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| | Re: I have made a i2c routine for the handy board
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i would be interested. thanks (...) (26 years ago, 1-Mar-99, to lugnet.robotics.handyboard)
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