This document discusses basic concepts of Arduino including data types used like integer, character, long, float, and boolean. It also mentions common electronic components that can be controlled by Arduino like DC motor, stepper motor, and servo motor. The code sample shows how to blink LEDs connected to pins 2, 4, and 7 of the Arduino board by using setup() and loop() functions along with digitalWrite() and delay() to turn the LEDs on and off sequentially in red, yellow, and green colors.

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4. (On/Off)

5. (On/Off)

6. (On/Off)

7. (On/Off)

9. setup()
loop()

10. -int
-char
-long-2,147,483,648
-float
-double
float
-bool

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13. DC
Motor
Stepper
Servo

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15. -
Void setup(){
pinMode(2,OUTPUT);
pinMode(4,OUTPUT);
pinMode(7,OUTPUT);}
Void loop(){
digitalWrite(R, HIGH);
delay(3000);
digitalWrite(R, LOW);
digitalWrite(Y,HIGH);
delay(2000);
digitalWrite(Y, LOW);
digitalWrite(G,HIGH);
delay(2000);
digitalWrite(G,LOW);}
setup()
loop()

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