Introduction: Emergency Button With NodeMCU

About: i'm a Arduino programer beginner

Emergency Button help you to get help if there is any Emergency
situation , just Push the button and it will post in facebook or twitter automatically the message that you put it in the code , you can add another button if you have a medical condition on which you should be taken to the hospital immediately, when you press the button the message will be posted to Facebook or Twitter, and someone of your friends will see it , he will call the hospital .

Visit YouTube Channel

Step 1: Full Tutorial

Step 2: Hardware Required

  • NodeMCU
  • Push Button
  • 1 K Resistor
  • Jumper wires
  • 3.7 v Battery , or , 5 v Battery
  • Breadboard

Step 3: Connections

D2 = 4 in coding .

Step 4: Coding

Don't forget :

* (( WiFi.begin("SSID","Password"); ))

SSID & Password = your WiFi name and password

* (( MakerIFTTT_Key ="your Key"; ))

The photos is explain how to get the key

Step 5: How to Make It Post in Twitter

Go to IFTTT website and follow the photos

Step 6: Making a Box

Step 7: Testing