 | | 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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| | re: IR frequency (fwd)
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Connect the ground from the oscilloscope to the HB ground (anyone). Connect the V from the oscilloscope to the + end of the LED driver (or the annode of the LED if it's connected). Adjust the oscilloscope until you get a visible square wave (...) (28 years ago, 30-Mar-97, to lugnet.robotics.handyboard)
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