What kind of products are used in PCB boards

CB generally refers to hard circuit board, used in computer motherboards, mouse boards, video cards, office equipment, printers, copiers, remote controls, various chargers, calculators, digital cameras, radios, TV motherboards, limited TV amplifiers. , mobile phones, washing machines, electronic scales, telephones, LED lamps, home appliances: air conditioners, refrigerators, stereos, MP3; industrial equipment, GPS, automobiles, instrumentation, medical instruments, aircraft, military weapons, missiles, satellites, etc. (The other is that APCB also does. It is also a circuit board, just soft, like a circuit board in the middle of the flip phone connection cover and the key is a soft circuit board).

The mobile phone motherboard, the keypad, is a hard board; the connection cable of the slider phone or the flip phone is a soft board. The remote control is generally a carbon membrane. The mobile phone board is a radio frequency circuit, a power supply circuit, an audio circuit, and a logic circuit from top to bottom.

Generally, only the heated kettle has no circuit board, and the wire holder is directly connected. The water dispenser has a circuit board. Rice cookers generally have circuit boards. The induction cooker has a circuit board. There is a circuit board in the electric fan, but it generally functions as speed regulation, timing, display, etc., and has no practical effect on the operation of the electric fan.