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Find digital signage wholesale prices on HDFocus, requiring OEM & ODM service free of charge. HDFocus digital kiosks enable easy advertising, getting your brands and business noticed and popular.
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Find digital signage wholesale prices on HDFocus, requiring OEM & ODM service free of charge. HDFocus digital kiosks enable easy advertising, getting your brands and business noticed and popular.
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Intro: Simple Bi-Color LED control. I remember one or two years ago, I bought a two color LED from Radial (Radio) Shack. I used my PC's parallel port to turn it on ...