isaiah7p

Ex1 : Phone number Validation 
Rule 1) 10 digit number 
Rule 2) First number should be between 6-9 
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Ex2 : Remove Zeros from the stream of numbers

3123213100031231230231321300354350077700

isaiah7p

Online Tools : 

https://www.circuito.io/

Interview Questions : 

https://www.qualitythought.in/wp-content/uploads/2019/03/IOT-Interview-Que.pdf

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isaiah7p

https://www.youtube.com/watch?v=mPcvcsSL664


Shadow Topics : 

GET State >> 
$aws/things/JulyIOTBatch/shadow/update/accepted

$aws/things/JulyIOTBatch/shadow/update/rejected

isaiah7p

#include <Servo.h>
#include "I2Cdev.h"
#include "MPU6050_6Axis_MotionApps20.h"
 
Servo motor;

#if I2CDEV_IMPLEMENTATION == I2CDEV_ARDUINO_WIRE
    #include "Wire.h"
#endif

isaiah7p

ROBO India Blynk Board : 

1. Input Switch 1 : GPI0 03 (D9)

2. Input Switch 2 : GPI0 01 (D10)
3. Output Relay 1 : GPI0 05 (D1)

4. Output Relay 2 : GPI0 04 (D2)

5. Output LED : GPI0 12 (D6)

6. Temperature & Humidity Sensor DHT-11 : GPI0 14 (D5)


isaiah7p

    1  yum update -y
    2  clear 
    3  ls -lrt 
    4  clear 
    5  ifconfig 
    6  yum install httpd
    7  yum install mysql -y
    8  ls -lrt 
    9  mysql -h mydatabase.cz1fpo0hglyu.us-east-1.rds.amazonaws.com
   10* 

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#include <NewPing.h>
 
#define TRIGGER_PIN  3
#define ECHO_PIN     2
#define MAX_DISTANCE 200
 
NewPing sonar(TRIGGER_PIN, ECHO_PIN, MAX_DISTANCE);
 
void setup() {
  Serial.begin(9600);

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void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
}

void loop() {
  // put your main code here, to run repeatedly:
 Serial.println(analogRead(A0));
 delay(1000);
}

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Design : 

https://www.circuito.io/app?components=513,10167,360216

Sensor DHT Data Sheets
https://octopart.com/385-adafruit+industries-30399591

Board DataSheet 
https://components101.com/development-boards/nodemcu-esp8266-pinout-features-and-datasheet

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//  Board to Sensors / Actuators Mapping 
// 
//1. Input Switch 1 : GPI0 03 (D9)  >> Button 1 
//2. Input Switch 2 : GPI0 01 (D10) >> Button 2 
//3. Output Relay 1 : GPI0 05 (D1)
  >> Relay 1 
//4. Output Relay 2 : GPI0 04 (D2)
  >> Relay 2 
//5. Output LED : GPI0 12 (D6)
      >> LED 
//6. Temperature & Humidity Sensor 
//DHT-11 : GPI0 14             (D5) >> DHT Sensor