Robojax Crash Course on Arduino: Learn Arduino in 30 Minutes: Relay AC bulb

Learn Arduino from scratch. Step by step from proven instructor with years of experience. The course will start on getting and installing Arduino software, then Arduino boards are introduced and practically projects are shown with wiring diagram and how to wire them. All the codes are provided for download. .

Codes for this coruse:
-Robojax Crash Cours on Arduion: Touch Sensor
-Robojax Crash Cours on Arduion: For Loop
-Robojax Crash Cours on Arduion: Servo Control
-Robojax Crash Cours on Arduion: AC bulb, Relay
-Robojax Arduino Comperhensive Course on Udemy

Topics of this course

00:00 Getting Arduino Software
03:56 Arduino Boards
05:14 Arduino UNO explained
07:00 LED Blink
10:53 if statement
18:07 for loop
20:36 Fading LED
23:00 Reading Voltage
26:30 Servo control
28:58 Controlling AC bulb with Relay
32:01 Touch Sensor

Resources for this sketch

Basic code to control direction of rotation of motor with 2 relay


 /*
 * For loop code: Robojax Crash Course on Arduino: Learn Arduino in 30 Minutes 
 * 
 * Watch video instruction :https://youtu.be/Mbb2xa1WcRM
 * 
 * Written Mar 08 2020 at 12:13 in Ajax, Ontario, Canada
 * 
* This code has been download from Robojax.com
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.


*/


int relayPin = 2;//defined pin 2 for relay

void setup() {
  pinMode(relayPin, OUTPUT);
  // initialize serial communications at 9600 bps:
  Serial.begin(9600);
  Serial.println("Robojax: Relay Control");
  
  delay(3000);
  //Robojax Crash Course on Arduino: Learn Arduino in 30 Minutes 
}

void loop() {
  
   digitalWrite(relayPin, LOW);//turn the relay ON
      Serial.println("Light ON");   
   delay(300);//keep it ON for 2 seconds

   digitalWrite(relayPin, HIGH);//turn it OFF
      Serial.println("Light OFF"); 
   delay(500);//keep it OFF for 2 seconds
   //Robojax Crash Course on Arduino: Learn Arduino in 30 Minutes 
}