#arduinoproject #arduino #projectideas #schoolproject #college #finalyearprojects
In this project, I am switching ON and OFF relays by sending SMS. The main purpose of this project is to build an authentication system. Where the system will verify the message sender's phone number and if the number is verified with the number stored in the EEPROM of Arduino UNO then the system will read the message and do the rest task as per the program. The number stored in the internal EEPROM of Arduino UNO is an OTP verification part, in which a person will call the system after putting the system in receiving mode then the system will get the number from the call then disconnect it, and send an OTP to the number. Then the user will enter the OTP to verify. After verification number will be stored in the internal EEPROM of Arduino UNO. After successfully storing of mobile number, Now you can turn the ON and OFF the relay as per the requirement.
REQUIREMENTS:
#1. SIM800A - GSM modem
#2. Arduino UNO
#3. I2C LCD
#4. 4x4 KEYPAD
#5. 4 Channel Relay
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⚠️Disclaimer: It contains Amazon affiliate links. which means I can get a small commission on the sale.
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🌟 Material Requirements:
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28 авг 2024
