 | | Sorry!
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Hello everyone, From my mail yesterday: (...) This is a quick note of apology for referring to the Handyboard as "Randy Sargeant's Handyboard" (thus unintentionally downplaying Fred Martin's contribution.) It was particularly inappropriate in this (...) (27 years ago, 20-Jan-98, to lugnet.robotics.handyboard)
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| | Disregard Dead Board
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The problem was isolated to a bad LCD display. This was accomplished by using the pcode file contributed by Kent (which doesn't require the display to be present while the board is on.) Special thanks to Gleason Research for finding/isolating this (...) (27 years ago, 20-Jan-98, to lugnet.robotics.handyboard)
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| | Re: [Q] power supply for polaroid sonar
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(...) I haven't tried this on the HB; but I have with other processors. I had problems with the sonar ping resetting the processor at times, as well as digital noise on the power supply bus causing false echo returns at long distances (as the (...) (27 years ago, 20-Jan-98, to lugnet.robotics.handyboard)
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| | Re: New S19 with includes PWM routines for IC3.1?
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I started on putting in the new PWM routines, but I don't expect to be able to finish until this weekend. - Mike (27 years ago, 20-Jan-98, to lugnet.robotics.handyboard)
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| | Dead Board
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We seem to have a problem and we're not sure how it came about, and even less sure about how to fix it. We were using our board to drive our robot. At this point we had a simple program, both motors on full forever. We turned the board on, the (...) (27 years ago, 20-Jan-98, to lugnet.robotics.handyboard)
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| | New S19 with includes PWM routines for IC3.1?
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Has anyone already created new a s19 file for IC3.1 than includes the new PWM routines? Jun Nolasco nolasco@inx.net (27 years ago, 20-Jan-98, to lugnet.robotics.handyboard)
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| | Stepper motor
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Hi, I trying to make a home page about interfacing handy board with stepper motors, I hope it has enought quality to add a little contibution to the handyboard effort. For now I has just two part : One is just mails I found in the mail archive about (...) (27 years ago, 20-Jan-98, to lugnet.robotics.handyboard)
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| | Re: [Q] power supply for polaroid sonar
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I haven't seen the schematic you're refering to but I believe you can use the +5V bus already on a standard HB. Just connect your PWR/GND to one of those headers "below" one of the A/D inputs. I did this before and it worked. Apparrently, the 1A +5V (...) (27 years ago, 19-Jan-98, to lugnet.robotics.handyboard)
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| | annual MIT "6.270" LEGO Robot Competition is Jan 28th!
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Hello everyone, This year's MIT LEGO Robot Design Competition will be on Wednesday, January 28, 1998, in MIT room 26-100. All are welcome to attend this free event, and kids are especially encouraged to come! Please see the URL (URL) for a map of (...) (27 years ago, 19-Jan-98, to lugnet.robotics.handyboard)
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| | [Q] power supply for polaroid sonar
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In the Handyboard homepage under 6500 polaroid sonar libraries, there is a great illustration (BRAVO!) that depicts the connections from the HB to the module that operates the sonar itself. The power supply to the module (which should be around +5V) (...) (27 years ago, 19-Jan-98, to lugnet.robotics.handyboard)
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