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 | | Re: Sonar
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| (...) Each diode loses 0.6v. The string of them drops the HB battery down from 9.6v to 6.0v, which is the specified operating voltage of the sonar unit. You can probably substitute 1N4001s. Fred (27 years ago, 6-Feb-98, to lugnet.robotics.handyboard)
| | | | | Re: encoder function
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| Hi all I have written some routines to measure frequencies from 30Hz to 30kHz. I'm posting this with an attachement because several people have ask me already for these routines. To Fred: You can add these routines to the ftp server or anywhere on (...) (27 years ago, 6-Feb-98, to lugnet.robotics.handyboard)
| | | | | Sonar
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| Has anyone used the diagrams off the HB wesite for connecting the 6500 sonar. If so, could someone please tell an ignorant CS major, what the six diodes are for, and if anything else can be substituted for them. My local Radio Crack seems to be out (...) (27 years ago, 6-Feb-98, to lugnet.robotics.handyboard)
| | | | | analog input test
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| Fred; I am at the testanalogs portion of the assembly process. All has gone well up until this point. The knob varies between 0 and 255 as expected and the seven numbers all come up either 254 or 255 when I press the START button. However I am (...) (27 years ago, 5-Feb-98, to lugnet.robotics.handyboard)
| | | | | Re: Modem Cable
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| It is straight-thru. Please note that if you are connecting from a 9-pin male PC port to the HB interface's 25-pin female, the means that you have the following mapping: DB-9 DB-25 2 3 3 2 5 7 In other words, the same cable as you would use to (...) (27 years ago, 5-Feb-98, to lugnet.robotics.handyboard)
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