 | | Re: AS11
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There is a command "DW" and "DB"? If so, what do they stand for? ---...--- 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 (...) (28 years ago, 31-Mar-97, to lugnet.robotics.handyboard)
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| | Re: AS11
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(...) FDB - Form Double Byte Constant (same as DW) FCB - Form Constant Byte (same as DB) (28 years ago, 31-Mar-97, to lugnet.robotics.handyboard)
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| | Digital Outputs (fwd)
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I'm interested in finding more on how I might digitally controll more devices from the HB. (...) (with some asm code) to drive TTL signals to the unused expansion header via A12 and A13 pins of the 6811. If this is possible.... What is envolved here (...) (28 years ago, 30-Mar-97, to lugnet.robotics.handyboard)
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| | Re: Sonar Multi-XDucer Design
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(...) There is currently no occurances of ranging circuits failing due to the use of the multi-xducer circuit. Care should be taken when using the circuit. Before any pings are done check that the mxducer circuit works (ie. SPI signals are (...) (28 years ago, 30-Mar-97, to lugnet.robotics.handyboard)
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| | AS11
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What does FDB and FCB stand for? ---...--- 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 ---...--- (28 years ago, 30-Mar-97, to lugnet.robotics.handyboard)
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| | Re: Sonar Multi-XDucer Design
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Have you ever blown away a ranging circuit using this method? Or has anyone ever blown away their ranginf circuit by not connecting the transducer? ---...--- ericson mar Master of Engineering Candidate Project: Mobile Robotics mar@cooper.edu (...) (28 years ago, 30-Mar-97, to lugnet.robotics.handyboard)
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| | QRD1114/QRB1114 Questions
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Hi all, I am looking at the small description of these part in Digikey cat., it indicates that they have optimum sensing distance at .15". Does this mean that these parts are not suitable for avoidance detection ? Does any one use the parts for such (...) (28 years ago, 30-Mar-97, to lugnet.robotics.handyboard)
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| | Re: IR concept
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Chuck, If you have the scematics for the IR sensor that uses the 555 and opamp, Iw oudl be interested in looking them over. I understand your theory, but the scematics would save me some time in ironing out the nitty gritty stuff. Thanks. (...) (28 years ago, 30-Mar-97, to lugnet.robotics.handyboard)
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| | Q1 on HB PCB
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HI, The Q1 (ztx614) is the last part i need to complete the board, i don't plan on using an IR Tx so do I really need Q1 the complete the board? also we have been using the 6811 EVM/EVB and UDLP in our lab classes and would like to know if i can (...) (28 years ago, 30-Mar-97, to lugnet.robotics.handyboard)
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| | Frequency counting
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I am having trouble getting my frequency counting code to work.The version I am posting is a sort of test and should print out a frequency integer in Hz after approximately one second of processing.Instead what it does is print out all the values of (...) (28 years ago, 30-Mar-97, to lugnet.robotics.handyboard)
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