Hello, there
I needed Help with connecting my project to the internet using Esp(01)8266 , It is a door lock project which basically detects fires and smoke and alerts the user and sends an alert to the user, the lock can should be opened through a web site and can be locked from it too, I need help in figuring out how to communicate with my Arduino uno from the web.
guys
Hi, @shreyas_p
Welcome to the forum.
Why do you want to use the UNO, look at ESP32, it has Wifi, and a lot of other program features, better than 8266.
Do you have a mobile phone?
Thanks.. Tom.. 
why the UNO ? why not just use the ESP8266?
if you are looking to connect a UNO to an ESP-01 have a look at post strange-message-from-esp8266 which has a wiring diagram and sample code
hey, thanks for the link, Sir it helped me think through the project, about asking questions, it was absolutely beneficial,
Yes, I have a Mobile Phone, I am an absolute beginner so I am overwhelmed by the complexity esp32 might bring,
I am using a Ky026 flame sensor and an Mq2 gas sensor to detect smoke and flame, I have figured out the code to detect flame and smoke and make the Arduino activate a buzzer, I am also learning about the lm298 module for controlling the dc motor.
The door lock mechanism is of rack and pinion type,
But What I want to do is When the Arduino Uno detects flame or smoke an alert should be sent to the user and the lock should open up.
The user should also be able to enter a password into his mobile and be able to unlock the door and also lock it through mobile, any help as to where I can learn all about this Sir. I need help with the part where Arduino can send and receive messages to the mobile phone.
I am an absolute beginner, learning about all this stuff from the scratch and using esp32 seems a bit overwhelming right now.
the ESP32 is just another microcontroller but with more SRAM and flash then the UNO plus onboard WiFi, Bluetooth Classic 2.0 and BLE- however, you don't have to use all its functionality at once ! it has plenty of IO support and can be programmed using the Arduni IDE
it could well be simpler than using two microcontrollers - UNO and ESP8266 - plus the overhead of interprocessor communications
It should not be, if you work through relevant examples from the excellent tutorials here: 160+ ESP32 Projects, Tutorials and Guides with Arduino IDE | Random Nerd Tutorials
Your knowledge of how the Uno works will be useful, but the Uno is not needed and will add only complications to the final project.
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