AUO showcased multiple transparent display sizes, targeting home windows, retail showcases, and smart cockpits. Samsung's Micro LED transparent windshield at CES 2025 also drew significant attention.

Beneath the display and the backlight layer lies the PCB crammed with all the electronic bits needed for the functioning of the smartwatch. Prime among those is the ESP32-S2 microcontroller.

For as long as I've owned a smartwatch, I've wished it could also be my smartphone. No, I'm serious. Whether it's a smartwatch with a massive display or major computing power, I've wondered how ...