 | | ** Handy Board EAR?**
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I built a simple amp using an LM386. I attached an electret condenser mike to it. If I power the device using a 5 V battery I get a CLEAN signal on my osciliscope. If I try to power it using one the Handy Boards analog ports, the signal is (...) (24 years ago, 10-Aug-00, to lugnet.robotics.handyboard)
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| | Octal Latch Burn!
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Hi, I think, that I burn the 74HC373 (octal latch), but before removing the chip I want to test it to be sure that the problem is there. But I don´t know how to test if the latch works fine. Any Ideas? Thanks Daniel Ramirez (24 years ago, 8-Aug-00, to lugnet.robotics.handyboard)
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| | Re: The handy board.
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Dear Jorge, The Handy board printed circuit artwork can be downloaded from: (URL) can also buy blank PCBs from www.douglas.com. Fred In your message you said: (...) ve to make a project with it. (...) (24 years ago, 7-Aug-00, to lugnet.robotics.handyboard)
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| | *Handy Board hearing?*
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Hi, I am working with the Handy Board and I have an audio circuit I want to add to an analog port , How could I program the handy Board to sample the sound and then listen for that sound? Any ideas would be helpful. Thanks -Mike (24 years ago, 6-Aug-00, to lugnet.robotics.handyboard)
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| | The handy board.
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Hello. I am student of UNAM in Mexico City. If its possible, can you give me the printed circuit of the handy board. I have to make a project with it. What is the program you use for program the hc11? I am using the hc11e1 for many homeworks in my (...) (24 years ago, 5-Aug-00, to lugnet.robotics.handyboard)
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| | Re: cool sounds
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hi all, i'm looking for funny and cool wav files to input into my robot. does anybody have any to give me? thanx in advance (24 years ago, 5-Aug-00, to lugnet.robotics.handyboard)
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| | Vector 2x and expansion board
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Hi all, I am ready to connect my vector 2x to the handy board/expansion board. I have already installed the sonar. In reading all of the past posts, no clear answer seems to be present regarding how to get the thing working IN THIS CONFIGURATION. (...) (24 years ago, 4-Aug-00, to lugnet.robotics.handyboard)
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| | RE: Problem while building HB's I/C board
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someone will correct me if I'm wrong but aren't those led's special low power ones? will 'a similar one from radio shack' work in this application or does it have to be the same part number as specified in the parts list? -patrick -----Original (...) (24 years ago, 1-Aug-00, to lugnet.robotics.handyboard)
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| | Re: GP2D02 - problems?
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No, the GPD02 value is never zero. Here is a table with my readings and the corresponding distance. distance value in cm 110 68 100 70 90 71 80 72 75 74 70 75 65 76 60 79 55 81 50 83 45 87 40 91 35 97 30 106 25 117 20 135 15 167 10 233 This values (...) (24 years ago, 1-Aug-00, to lugnet.robotics.handyboard)
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| | Problem while building HB's I/C board
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Hi, I'm building my HB's Interface/Charger circuit. My problem is in the serial circuit. I built it and it passed the test only once. After that somehow my power led didn't work anymore and voltage regulator gets very hot (although it passed the (...) (24 years ago, 1-Aug-00, to lugnet.robotics.handyboard)
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