While the SSD1306 OLED has somewhat become the go-to display for up-to-date projects ... with each LCD via I2C, two TCA9548A I2C multiplexers are connected to an Arduino, along with an RTC ...

Building radio receivers from scratch is still a popular project ... I2C. He also integrated a 3W amplifier into this build, and everything is controlled by an Arduino including a small LCD ...