Arduino & NodeMcu

Arduino & NodeMcu

• 1.
  Hardware Programming
• 2.
  Structure of ArduinoProgramming  The program has two main scope one is declaration(setup) part and another one is execution part(loop).  The variable declarations and initialization of the serial communications within this part(setup). It executes only one time.  The executions parts(loop) executes code continuously  This scope used to read the sensor input and triggers the outputs
• 3.
  LED Blinking  Insetup function, we are initialize the LED pin 13 to blink built-in LED of Arduino board
• 4.
  Read the sensorinput  Choose any one of the pins of LDR to 5v of Arduino board  The LDR other pin connected to 1K Resistor to limit the current flow inside the LDR  The other terminal of resistor connected to ground. The sensor output is taken from in-between the resistor and LDR
• 5.
  Display the sensorvalue  Initialize the analog pin(A0) in setup function  Store the sensor value is integer to display in serial monitor
• 6.
  Pin Configurations  General-purposeinput/output (GPIO) is a pin on an IC (Integrated Circuit).  It can be either input pin or output pin, whose behavior can be controlled at the run time.
• 7.
  Setup a NodeMcuBoard  In Arduino IDE, Go to file and select preferences the add http://arduino.esp8266.com/stable/package_esp8266com_index.j son for additional board manager  Go to tools and visit manage libraries install the ESP8266 nodemcu libraries if it is not available in your libraries  Select the NodeMcu ESP(0.9) 12E module in Arduino IDE Tools to upload the programs into microcontroller
• 8.
  LED Blinking  ConnectLED +ve terminal to NodeMcu D0 pin  Connect LED –ve pin to NodeMcu Ground pin
• 9.
  Read the sensordetails using NodeMcu
• 10.
  Cont..
• 11.
  Store sensor datain mysql database
• 12.
  Cont..
• 13.
  Cont..
• 14.
  Cont..
• 15.
  Flask Applications  InstallFlask Application and Create Python_db and records table in mysql server
• 16.
  Cont…
• 17.
  Template for filteringthe data
• 18.
  View the sensordata
• 19.
  Application View
• 20.
  Thank You…