B3: Alternate Blinking LEDs

AR-B3: Alternate Blinking LEDs

This entry is part 3 of 13 in the series Arduino Basic Circuits

In this code we use 2 LEDs connected on breadboard with 2 resistors of 1kΩ. This code produces the effect of alternately blinking of the 2 LEDs.

Required Material

Arduino UNO Board – 1, data cable – 1, Red LEDs – 2, Jumper wires – 3, 1kΩ resistor (Brown Black Red) – 2.

Working

After uploading the code in Arduino UNO board, the LED1 and LED2 will be ON alternately. This happens because of alternate action written in the code.

The Code

This code is very interesting which glows two LEDs in a group simultaneously. When you upload the code in Arduino UNO you get a pleasant decorative effect of 4 LEDs.

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Yash Vidyasagar
Yash Vidyasagar

Professor in CS, Fergusson College, Pune. Researcher in Embedded Systems, Expert in Online/Offline Education, Creator of lots of projects for community solutions... ➤➤

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