DATA flow

Diagram Description

User registration -> Telegram Bot:

• New users initiate the registration process by interfacing with the Telegram bot, providing necessary credentials such as a password and handler number.

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Telegram bot -> esp8266

• Telegram bot sends user credentials to the local database, onboard the esp8266

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User authentication -> telegram bot:

• Registered users authenticate themselves via the Telegram bot, ensuring seamless and secure access to project functionalities.

• Upon authentication completion, the ESP8266 sends a response to the telegram bot, signaling a successful user authentication or indicating any encountered authentication errors for appropriate handling.

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Access granted -> project features:

• With authentication confirmed, users seamlessly access project features, such as fingerprint enrollment, fingerprint authenticating, and OTP generation, facilitated through secure interaction between the telegram bot and the ESP8266.

Cloud data logging:

• Telegram bot sends the user commands, user handle, and time of user input to AWS for data logging.