Here are some common uses of PCBs in consumer electronics:
Mobile devices: Smartphones and tablets are at the core of our daily work, our GPS alarm clock.
Computer electronics: The core of desktops and laptops contains PCBs, as do screens and related peripherals.
Recording equipment: Video cameras, digital cameras, microphones and other recording equipment all rely on their internal PCBs to operate.
Entertainment system: Everything in the home entertainment system, from DVD players and video game consoles to TVs and audio equipment.
Household appliances: almost all modern devices operate with electronic components: alarm clocks, microwave ovens, refrigerators, coffee machines, etc.
Android Control Main board