Plug the RFID module into the breadboard with enough space around it. Connect the VCC pin to the Arduino's 3.3V (not 5V), and GND to the ground rail. For the data connections, wire SDA to Pin 10, SCK ...

Robotics Instructor | STEM Educator | IOT | Robotics | AI | R&D in Artificial Intelligence | Enabling Future Innovators Through Hands-On Learning | Salesforce Developer | Website Developer ...

This project is an automatic door opening and closing system using an Arduino UNO, an ultrasonic sensor, red and green LEDs, a 16x2 LCD with I2C, and a servo motor. The door opens when a person is ...

How the platform helps streamline the design process. The custom options offered.

The PCF8574_LH library provides a simple interface for controlling the PCF8574 I/O expander using the I2C communication protocol. It allows you to read and write values to the PCF8574's registers, ...

Through this project tutorial, you can build a fire and smoke alarm system using Arduino UNO R4 that sends real-time SMS notifications. This means you will immediately get alerted even if you are far ...