This is an Arduino library for HD44780 LCD display, operated in 4 bit mode over I2C bus with 8-bit I/O expander PCF8574 ...

Run the I2C_address_finder.ino file after connecting I2C to arduino to get the address of I2C on the Serial Monitor because if the address is correct then connection cannot be established properly.

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 ...

I had a pressing request, my son, having taken off, wanted to have an RGB Led clock like "at home, with a few different functions". Its specifications: 4 RGB displays Different fade colors and speeds ...