Lightweight GSM Mobile With Arduino UNO and Nextion Display
Avishek Hardin at Arduino Project Hub designed a lightweight mobile using a GSM module, an Arduino UNO, and a Nextion touch screen display. The lightweight mobile has the following features:
- Make calls
- Receive calls
- Send SMS
- Receive SMS
- Delete SMS
In this project, he uses a GSM SIM900A module to establish the cellular communication. The GSM SIM900A is an all-in-one cellular module that lets you add voice, SMS, and data to embedded projects. It works on frequencies 900/1800MHz and uses the RS232 standard to communicate with MCUs. Baud rate of this module is adjustable from 9600 to 115200 through specific AT Commands.
This GSM mobile features a Nextion touch display to take input from the user and visualize the GUI. Its easy-to-use configuration software (Nextion Editor) allows you to design your own interfaces using GUI commands. All GUI data is stored in Nextion display instead of the master MCU. Thus, lots of program space in MCUs can be saved efficiently and it makes the development procedure effortless. The Nextion displays communicate with microcontrollers over UART which is supported by a wide range of MCUs.
- Arduino Uno.
- SIM900A GSM module.
- Nextion TFT Intelligent LCD Touch display.
- SIM card.
- Connecting wires.
- External mic & speaker.
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