This is a guide for building a automatic color detector using LDR (light dependent resistor). This is small in size, and can be built in less than a few minutes. Things you need You need the following- LDR (light dependent resistor). LED- The color of the LED you need depends upon the color y...
By: ajmal hassan
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from Instructables: exploring - technology - robots http://ift.tt/1H8acOo
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