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In this video, I will introduce you to my Home Made Mobile Phone that is capable of making and receiving calls and SMS. I interfaced GSM Module SIM800/SIM900 with Arduino UNO Microcontroller. I also used a display to visualize GUI interfaces. I selected new 2.4-inch Nextion TFT Intelligent LCD Touch Display. The 2.4-inch Nextion display displays everything like normal Mobile Phone. You can make calls, receive calls, send an SMS and receive an SMS.
If you are interested in making yours, this video guide will show you, how to build and upload the source codes to get your project up and running. This is a fairly straightforward project.
Source Code/Program: https://how2electronics.com/nextion-display-mobile-phone-gsm-arduino/
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