This article describes the structure and detection of the moving coil microphone ...

This article briefly introduces the definition and major categories of low-voltage electrical appliances ...

This article briefly introduces the relationship between ATX power supply and switching power supply. ...

This article introduces some issues should pay attention to when using the multimeter ...

This article describes the low frequency small signal amplification circuit ...

​This article briefly introduces sequential logic circuit ...

​ This article briefly introduces classification of sensors in the car and the impact of the broken sensor ...

This article describes the role of different mobile phone sensors. ...

This article writes about the active power and reactive power in the ATX power supply ...

This article describes the characteristics of the switch audio signals. ...

This article briefly introduces the the reference voltage points of ATX power supplies ...

This article briefly introduces the fake load. ...

This article writes about the working principle of water tank water level automatic controller ...

This article describes some methods for detecting transistors of a multimeter ...

This article describes the problems in radio assembly ...

This article describes the role of the switches ...

This article describes the basic functions and characteristics of multimeter ...

This article describes how to set parameters of the inverter ...

This article briefly introduces the principle of patch miniature FM radio. ...

The platinum used in Bosch's new fuel cell will be one-tenth the platinum used in existing fuel cell vehicles. It is expected to be launched in 2022. ...

This article describes the basic principle of phosphor luminescence. ...

This article briefly introduces diode rectifier filter circuit ...

This article briefly introduces some mthods for checking if the circuit is open with using a multimeter. ...

This article briefly introduces the processing methods of adverse contact phenomenon during using pointer multimeters. ...

This article introduces some issues should pay attention to before using the multimeter ...

This article writes about the DS05- 7B (seven tube) superheterodyne radio debugging ...

This article describes the surface components welding points ...

This article describes how to disassemble electronic component ...

This article describes how to disassemble electronic component ...

This article writes about the MEMS oscillator and quartz clock in the car ...

This article introduces how to identify true and fake electronic components ...

This article briefly introduces the specific use of multimeter in ATX power maintenance. ...

This article describes the work principle of AMD A75 chipset motherboard. ...

This article describes the operating principle of the Intel dual-bridge G41 chipset motherboard boot circuit. ...

This article introduces the Ultra-short current surges through rectified light ...

This article describes the operating principle of Intel single-bridge H55 chipset motherboard boot circuit. ...

This article describes the working principle of AMD RS880 chipset motherboard. ...

This article describes the DDD Intel H555 chipset I3 Series motherboard architecture. ...

This article writes about the different of combustion method and Sol-Gel method. ...

This article describes what is a resistor ...