This project provides a simple code to operate a GSM module with an Arduino board. The project aims to offer an easy and quick way to start using GSM modules in Arduino projects, such as sending and ...

The Smart Trolley System manages trolley items using RFID technology, displays real-time updates on an LCD, and sends SMS notifications with product details and total amounts via a GSM module.

Total mastery over the pinout and functionality of the PCA9306 for conversion of logic levels from 5V to 3.3V. A step-by-step interfacing diagram for the PCA9306 to Arduino UNO. Working example with ...