Connect the +ve end of the red led to pin 11 then connect the +ve end of the blue led to pin 10 then connect +ve end of the green led to pin 9. Take all the grounds common and connect to a 1k ohm ...
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This is tutorial number 1 from our series of Arduino tutorials and in this part I will talk about blinking an LED using the one already available on the Arduino Uno board or using an external LED to ...