i2c / SPI character LCD backpack - STEMMA QT / QwiicThe Character LCD Backpack is an add on circuit that makes it easier to integrate character LCDs into your microcontroller projects. It's perfect for projects that need a simple display without consuming a lot of I O pins. By using I2C and SPI input output expanders, this backpack reduces the pin count to just 2 pins for I2C or 3 pins for SPI, freeing up your microcontroller for other tasks. Key Features: Easy to Use: This backpack works with standard