In this project, we’ve designed smart home security system based on Arduino microcontrollers interconnected via I2C to create a robust and scalable solution. Please find the key components listed ...

Arduino-based security alarm system with keypad PIN entry, LCD display, ultrasonic motion detection, and PIN change functionality. Arduino PIN-Protected Alarm System with Motion Detection An Arduino ...

MFRC522 rfid(SS_PIN, RST_PIN); LiquidCrystal_I2C lcd(0x27, 16, 2); In the above code, I am creating the objects for the RC522 RFID and the I2C LCD module for proper initialization purposes. Storing ...

Put aside all of the projects that use an Arduino to blink a few LEDs or drive one servo motor. [IngGaro]’s latest project uses the full range of features available in this versatile microcon… ...

Reference circuit diagram of an Arduino-compatible LCD backpack is shown below. What follows next is information on how to use one of these inexpensive backpacks to interface with a microcontroller in ...

While Arduino and its libraries are the quickest way to interface with a sensor and blink an LED, sometimes you shouldn’t have to write and compile code to do something exceptionally simple. … ...

The I2C and SPI Education System is an Arduino shield that has been combined with a web based tutorial system to help users learn more about how to talk to I2C and SPI components.