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In the blog Blink LED By Arduino, we learn how to control a single LED. In this blog, we learn we learn how to control 8 LEDs by in a different manner by changing the code. We learn the following pattern.These led blinking differently by changing some code in the upper code 4 in the void loop() Light up all the LEDs in turn-------------------..

Hardware Required Arduino or Genuino BoardLED220 ohm resistorCircuitTo build the circuit, connect one end of the resistor to Arduino pin 13. Connect the long leg of the LED (the positive leg, called the anode) to the other end of the resistor. Connect the short leg of the LED (the negative leg, called the cathode) to the Arduino GND, as shown in th..