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In the hb_ir.c and the hb2_ir.icb Regaring ir_counts(4) what ports is this using. digital(?), analog(?)? What is it counting? (27 years ago, 9-Apr-97, to lugnet.robotics.handyboard)
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| | Re: sonar hookup
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If I recall correctly, I think the BINH in the sonar software is set high for the entire duration of the ping. This way, ECHO will never trigger. If you tie your BINH to GND, it will enable ONLY the internel blanking. ---...--- ericson mar Master of (...) (27 years ago, 9-Apr-97, to lugnet.robotics.handyboard)
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| | MORE IR
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I am going blind reading the archives for the solution to this problem so I will just ask. Ive got a Radio Shack tin can IR reciever plugged into digital(7). An High output IR LED w/ current limiter resistor in series (LED was getting quite warm) (...) (27 years ago, 9-Apr-97, to lugnet.robotics.handyboard)
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| | Somewhat C challenged.
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Please excuse my bitwise ignorance. Could someone explain this statement to me. if (4 & peek(0x1000)) what does peek(0x1000) return? what is the 4 for ? and what does the "&" compare? thanks victor (27 years ago, 9-Apr-97, to lugnet.robotics.handyboard)
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| | Re: sonar hookup
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Keith> Just to fill all of you in, I followed Tom's advice and it is Keith> working now. I am going to install the resistor on BINH Keith> tonight so I will get the extended range. By the way, what Keith> value resistor is best for this signal? I (...) (27 years ago, 9-Apr-97, to lugnet.robotics.handyboard)
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| | Re: sonar hookup
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(...) Remove the BINH and check the sonar readings...the minimum distance it can read will be about 16-17" (this is with an internal blanking OF 2.38millisec) this time can be modified by adding a resistor to the BINH. Also the ECHO goes into the (...) (27 years ago, 9-Apr-97, to lugnet.robotics.handyboard)
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| | Re: sonar hookup
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(...) Just to fill all of you in, I followed Tom's advice and it is working now. I am going to install the resistor on BINH tonight so I will get the extended range. By the way, what value resistor is best for this signal? I know that the suggested (...) (27 years ago, 9-Apr-97, to lugnet.robotics.handyboard)
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| | Re: sonar hookup
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K> I finally got the code loaded into my handyboard to test the unit K> but I am having some problems. When the program runs I hear K> ticking from the transducer but the reading on the LCD stays at 0" K> no matter where it points. I want to make (...) (27 years ago, 9-Apr-97, to lugnet.robotics.handyboard)
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| | sonar hookup [DAT]
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I finally got the code loaded into my handyboard to test the unit but I am having some problems. When the program runs I hear ticking from the transducer but the reading on the LCD stays at 0" no matter where it points. I want to make sure that I (...) (27 years ago, 9-Apr-97, to lugnet.robotics.handyboard)
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| | Re: running 2 IR
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If the IR LEDs both add up to a current requirement of 800ma (the spec on the ztx614) then yes you should be able to. You may want to add a resistor to supply that assures you don't get more than 800ma from supply (if that is Imax for those LEDs). (...) (27 years ago, 9-Apr-97, to lugnet.robotics.handyboard)
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