NeverCode has created a Raspberry Pi Pico smart clock and shared lots of details on how you can recreate it for yourself at home.

DIY smart clock enthusiasts can personalize GrokClok with extra features like weather forecasts or video screens. You know, alarm clocks can be a little...boring. They tell the time, sound an alarm, ...

To communicate with each LCD via I2C, two TCA9548A I2C multiplexers are connected to an Arduino, along with an RTC to keep track of the time and date itself. As the TCA9548A has three pins ...

As demonstrated in the video below, by turning the LCD on its side ... a DS3221 real-time clock (RTC), a couple of pushbuttons, and a light dependent resistor (LDR) used to dim the display ...