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David haffner sr
7 followers -
just a cool dude who loves to play his guitar
just a cool dude who loves to play his guitar

7 followers
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It is said that our children are our future, that we hope that they will grow up to be the lawyers, doctors and great scientists of a bright new world
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Sorry for staying away for so long, I have been very busy lately researching and working on a new concept design for a 3d printable Low resolution Raman probe. I needed to put the TCD1304 CCD detector (8-bit) project on hold for awhile because I am…
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In 2009 I had a predisposition for making poor decisions, and because of this I ended up becoming homeless. I was married at the time (no children but two dogs,) when I talk “homeless,” I mean the whole shebang! Sleeping on the concrete, finding whatever…
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This is my little daughter cat, Tiny, I saved her as a small kitten here at City Point (down by the appomattox river,) I had to have a damaged eye of her's removed but she doesn't seen to mind much.
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The scientific method requires making observations, recording data, and analyzing data in a form that can be duplicated by other scientists. In addition, the scientific method uses inductive reasoning and deductive reasoning to try to produce useful and…
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Well, this may be the ugliest test platform I have ever made but it sure worked, I had to modify my circuit board @ R8 going to pin#3 at the opamp [LM324], by running a bypass from the C9 [200pf cap,] to pin#3 @ the LM324, some strange ground problem I…
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This is my second installment on using PLX-DAQ as an easy method of sending data from an Arduino or any AVR related MCU to Excel. Here I will be showing you how to process the data into a graphical chart for plotting it's values...the easy way :)
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This is the essence both of ZEN and engineering; "Harmonizing opposites by going back to their sources is the distinctive quality of the ZEN attitude, the middle way, embracing contradictions, making a synthesis of them, achieving balance." --Taisen…
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These are the capabilities of this technology, and with the advent of 3d printing and 21st century design software, projects such as mine and others like it, will continue to provide fresh innovations for the market place, and a vehicle for the citizen…
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Source: Data Update 8-Bit CCD Driver Circuit (TCD1304DG)
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