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I just got the set of Motorola HC11 guide books and reference manuals. I can highly recommend them - I am now able to understand the processor better, and how to take advantage of its many facilities. However when requesting them from the web site I (...) (27 years ago, 15-Nov-97, to lugnet.robotics.handyboard)
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| | Re: IR devices
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The IR led I assume would be the transparent one and the detector would be the black one? There are 2 leads on the transmitter and 3 on the detector, how and where should I connect it to the HB? Any diagrams available? If this works, I have about 10 (...) (27 years ago, 14-Nov-97, to lugnet.robotics.handyboard)
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| | AD: Wirz Electronics
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Hello Everyone, We have a number of new Microcontroller products that we think you may be interested in: ---...--- Microchip PIC Products: "Programming and Customizing the PIC Microcontroller" book by Myke Predko (URL) Up The Pace" book by David (...) (27 years ago, 14-Nov-97, to lugnet.robotics.handyboard)
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| | Re: bit_set and Poke
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bit_set in english is "for the byte at this adress, make these bits high". The first argument is the address (i.e. 0x0e). The second argument is the mask which indicates which bits to make high. bit_clear in english is "for the byte at this address, (...) (27 years ago, 12-Nov-97, to lugnet.robotics.handyboard)
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| | Re: Microphone and Heat Sensors
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(...) Interesting sounding project Melissa. The trick is to distinguish the doorbell from other ambient sounds heard picked up by the microphone. One approach might be to use the LM567 PLL Frequency Detector. Its a relatively simple little 8 pin IC (...) (27 years ago, 12-Nov-97, to lugnet.robotics.handyboard)
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