Arduino library for the I2C LCD display, typical 20x4 characters. The library is inspired by the excellent New-LiquidCrystal library by F. Malpartida. Therefore the interface is kept quite identical, ...

One uses the LiquidCrystal_I2C library (I²C display). The other uses the LiquidCrystal library (parallel display). In the code, set: USE_I2C = 1 for I²C displays (with LiquidCrystal_I2C) USE_I2C = 0 ...

The radio frequency identification (RFID) system used for the identification and tracking of objects makes use of an RFID reader and a tag. The main parts of the authentication system include the ...

The I2C (Inter-Integrated Circuit) bus is a synchronous serial communication protocol that allows multiple electronic components (sensors, displays, memories, etc.) to be connected within the same ...