Arduino Basic Circuits

Collection of series of posts special created for the teachers and students who attended workshops of Prof. Dattaraj Vidyasagar. Download the codes, construct the circuit on breadboard and test your project.
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AR-B1: Blinking LED Project using Arduino

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Yash Vidyasagar
September 28, 2023
January 20, 2024
1

This code is used to blink the LED connected at pin-13 (LED_BUILTIN). This LED is marked as “L” on the Arduino UNO board. First type the code by creating new file in Arduino IDE, save the file and then upload it.

AR-B2: Alternate Control of LED & Buzzer

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Prof. Dattaraj Vidyasagar
August 27, 2023
March 21, 2024

This code is used to blink the LED connected at pin-13 of Arduino UNO and produce buzzer beeps alternately. First type the code by creating new file in Arduino IDE, save the file and then upload it.

AR-B3: Alternate Blinking LEDs

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Yash Vidyasagar
July 28, 2023
March 21, 2024

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.

B4: Running Effect of LEDs & B5: Chasing Effect of LEDs

AR-B4: Running Effect of LEDs

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Prof. Dattaraj Vidyasagar
June 14, 2023
March 21, 2024

In this code we use 4 LEDs connected on breadboard with 4 resistors of 1kΩ. This code produces the effect of running LEDs.

AR-B5: Chasing Effect of LEDs

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Prof. Dattaraj Vidyasagar
May 3, 2023
March 21, 2024

In this code we use 4 LEDs connected on breadboard with 4 resistors of 1kΩ. This code produces the effect of chasing LEDs.

AR-B6: Obstacle Detector using IR Sensor

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Prof. Dattaraj Vidyasagar
April 12, 2023
March 21, 2024
1

This code is used to beep the buzzer when obstacle is detected by the IR sensor in front of it. When there is no obstacle, the buzzer remains OFF.

AR-B7: Object Counter using Serial Monitor

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Prof. Dattaraj Vidyasagar
March 7, 2023
November 20, 2024

This code is used count the number of objects passing in front of the IR sensor. It displays the count of the object on serial monitor in Arduino IDE software.

B8: Servo Motor Connection diagram for all servo codes

AR-B8: Servo Motor Basic Code

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Prof. Dattaraj Vidyasagar
February 9, 2023
March 21, 2024

In this code the servo motor is controlled in required angle. We can change the value of the angle in the code either positive or negative angle.

B10: Car Wiper System using Arduino and Servo Motor

AR-B10: Car Wiper System using Servo Motor

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Prof. Dattaraj Vidyasagar
January 6, 2023
March 21, 2024
1

In this code when the button is pressed, the servo motor starts rotating smoothly from 0 – 90 and then 90 – 0. When the button is released, the motor restores back to angle 0.

Download counter using LED display and Arduino

B13: LED Display Down Counter with Alarm using Arduino

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Prof. Dattaraj Vidyasagar
December 3, 2022
March 21, 2024

In this code the LED display shows counting from 9 – 0. When 0 appears on the display it produces buzzer sound. The pin configuration of LED display and connection diagram is given below.