 | | Robotics club in the Los Angeles area.
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Does anybody know of a club in the Greater LA area. The only one I've found so far is over an hours drive away. Any info would be helpful. Thanks Mike (27 years ago, 30-Nov-97, to lugnet.robotics.handyboard)
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| | IC problem
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Hi guys, I know that this exact question came up once before in this newsgroup, but its reply has long since gone to the bit bucket in the sky, so forgive me. Anyway, I can get the following message on my handy-board: Interactive C V 2.81 9/28/93 (...) (27 years ago, 29-Nov-97, to lugnet.robotics.handyboard)
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| | Re: Smoking serial/charger board...!!!
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I am having a similar problem (see notes below) - R11 is burning on the serial/charger board. My HB had been on the shelf for a month or so, and it may have been left on AND I had made the motor-power hack (I tapped the center of the battery pack to (...) (27 years ago, 28-Nov-97, to lugnet.robotics.handyboard)
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| | LCD Connector?
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Hello to ALL, I was wondering if the LCD connector could be used to connect a speech board from RC Systems. Could I unplug the LCD module and use the plug ins for the board w/ an additional power source for the board? Thanks, Randy Eaton (...) (27 years ago, 28-Nov-97, to lugnet.robotics.handyboard)
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| | Re: Replacement for ZTX614 NPN Darlington Transistor
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(...) I am currently arranging a supply of the ZTX614, when they are available I will post the price to the list, hopefully early next week. I also supply the Handyboard in the UK at £19-50 for the set (main board and charger/if) including first (...) (27 years ago, 27-Nov-97, to lugnet.robotics.handyboard)
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| | The frequency of a digital input...
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Hello all, What is the maximal frequency that we can put on an digital input of HB? French Studant... By, and thanl you... (27 years ago, 27-Nov-97, to lugnet.robotics.handyboard)
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| | Re: Handy Board PWM Routines
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(...) <snip> LDAA speeda ; rotate bits in motor speed ASLA ;Rotate the speed bitmask one bit position. BCC SPDoffA ;Did we set the carry flag by shifting a "1" out ; of the MSB of the register? ADDA #1 ;We pushed a "1" out of the register, better ; (...) (27 years ago, 27-Nov-97, to lugnet.robotics.handyboard)
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| | HB sonar new drivers
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the new code is improved in the sense that 1. there is a clear schematic and wiring diagram; 2. it does not require the removal of a motor driver chip; 3. all driver code is written in Interactive C. fred (27 years ago, 27-Nov-97, to lugnet.robotics.handyboard)
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| | Handy Board PWM Routines
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I've recently been implementing a PD controller on the HB for use in a line following robot, and have been having some problems with instability, especially around the zero point. I was beginning to suspect that the 8 levels of PWM in the HB library (...) (27 years ago, 27-Nov-97, to lugnet.robotics.handyboard)
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| | Re: Polaroid 6500 stuff
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What was wrong with the old drivers? ---...--- ericson mar Master of Engineering Candidate Project: Mobile Robotics mar@cooper.edu (212)353-4356 Department of Mechanical Engineering The Cooper Union for the Advancement of Science and Art ---...--- (...) (27 years ago, 26-Nov-97, to lugnet.robotics.handyboard)
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