Write messages on Liquid Crystal Displays with potentiometers or keyboards....
32 buttons for a fully-functioning hand-held USB keyboard....
A QWERTY keyboard you build yourself....


Title Description Cost Link Picture
Button 6mm Through Hole Tactile Switch Through Hole SPST-NO 0.05A 12V Value: 0.05A @ 12VDC $0.1 Link Screen_shot_2012-12-28_at_7.41.40_pm
Button Through Hole 12mm Through Hole button with 4 legs square 12mm package and black depressor. Value: SPST-NO $0.37 Link Pts125sm85_lfs
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