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Sensing two grounds with constant current zero sum pull-up
118: Little tricks
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116: 2012-06-26_13-49_photo.JPG
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114: 2011-12-01_10-20-32.jpg
113: 2011-11-24_Thanksgiving_International_students_01_t640.jpg
112: 2011-11-24_15-03-43.jpg
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120: kicad bits
121: More vector phase diagrams
122: i-q.gif
123: ISO-metric-bolts.png
124: ISO-metric-threads.png
125: machinescrews.png
126: nuts-and-washers.png
127: socketscrews.png