What are the components of the wired mouse module and connector?

On 2019-01-14 17:44:21  in Knownlege

What are the components of the wired mouse module and connector?

This article introduces some the components of the wired mouse module and connector ...

What is a four-way solenoid directional valve?

On 2019-01-05 13:53:56  in Knownlege

What is a four-way solenoid directional valve?

This article describes the role of the four-way solenoid directional valve ...

Control power,power supply and chassis power supply

On 2018-12-11 11:23:56  in Knownlege

Control power,power supply and chassis power supply

This article writes about the different roles of control power,power supply and chassis power supply ...

How much do you know about RS-422 and RS-485?

On 2022-03-08 10:43:00  in Knownlege

How much do you know about RS-422 and RS-485?

This article describes the characteristics of the RS-422 and RS-485. ...

Intel single Bridge Motherboard bus Power supply Analysis.

On 2019-06-11 14:59:42  in Knownlege

Intel single Bridge Motherboard bus Power supply Analysis.

This article describes the Intel single Bridge Motherboard bus Power supply ...

The method of using the sensor block of OTC700 series digital multimeter.

On 2019-04-23 14:16:06  in Knownlege

The method of using the sensor block of OTC700 series digital multimeter.

This article describes the method of using the sensor block of OTC700 series digital multimeter. ...

CPU power supply circuit structure.

On 2019-04-18 14:46:42  in Knownlege

CPU power supply circuit structure.

This article describes the CPU power supply circuit structure. ...

How to use a electronic constant temperature heat gun?

On 2019-01-28 13:41:57  in Knownlege

How to use a electronic constant temperature heat gun?

This article describes the use method of electronic constant temperature heat gun ...

The surface components welding points

On 2019-01-15 13:25:53  in Knownlege

The surface components welding points

This article describes the surface components welding points ...

Rated power rating and detection method of fixed resistance

On 2018-12-13 14:58:39  in Knownlege

Rated power rating and detection method of fixed resistance

This article briefly introduces rated power rating and detection method of fixed resistance ...

Type and function of time relay

On 2018-12-08 10:45:33  in Knownlege

Type and function of time relay

​ This article briefly introduces different type and function of time relay ...

When using resistance and line on-off test mode of the automotive digital multimeter.

On 2019-04-22 14:33:41  in Knownlege

When using resistance and line on-off test mode of the automotive digital multimeter.

This article write about when using resistance and line on-off test mode of the automotive digital multimeter.The correct method of choosing gear and connecting detection line is adopted. ...

What is the working principle of water tank water level automatic controller ?

On 2019-01-23 17:14:25  in Knownlege

What is the working principle of water tank water level automatic controller ?

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

Do you know how to design the system ground?

On 2019-10-16 10:27:51  in Knownlege

Do you know how to design the system ground?

This article describes the characteristics of the system ground. ...

Basic functions and characteristics of multimeter

On 2019-02-26 17:53:50  in Knownlege

Basic functions and characteristics of multimeter

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

What issues should pay attention to when using the multimeter?

On 2019-02-16 10:36:20  in Knownlege

What issues should pay attention to when using the multimeter?

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

What is included in the whole machine inspection?

On 2019-01-07 11:07:09  in Knownlege

What is included in the whole machine  inspection?

This article briefly introduces the whole machine inspection ...

Laptop cooler

On 2018-12-05 12:07:56  in Knownlege

Laptop cooler

​This article briefly introduces the laptop cooler ...

What are the working principles of AM radio?

On 2019-01-11 11:08:24  in Knownlege

What are the working principles of AM radio?

This article writes about the working principles of AM radio. ...

What are the problems in radio assembly?

On 2019-01-15 14:05:25  in Knownlege

What are the problems in radio assembly?

This article describes the problems in radio assembly ...

What are the features and use note of CMOS circuit?

On 2019-01-09 14:07:06  in Knownlege

What are the features and use note of CMOS circuit?

This article describes the features and use note of CMOS circuit ...

Discrimination on the pseudo-concept of "reverse earth resistor value and modification of multimeter pens

On 2019-04-16 11:29:12  in Knownlege

Discrimination on the pseudo-concept of "reverse earth resistor value and modification of multimeter pens

This article briefly introduces the discrimination on the pseudo-concept of "reverse earth resistor value” and modification of multimeter pens ...

Light control automatic energy saving LED light circuit

On 2019-01-23 17:42:10  in Knownlege

Light control automatic energy saving LED light circuit

This article writes about the light control automatic energy saving LED light circuit ...

How to set parameters of the inverter?

On 2019-05-25 14:01:42  in Knownlege

How to set parameters of the inverter?

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

Integrate the clock generator into the microcontroller

On 2019-05-07 16:33:50  in Knownlege

Integrate the clock generator into the microcontroller

Accurate clock signals are a prerequisite for reliable communication - whether by radio or by wire. With the ever-increasing demand for data transmission, the previous approach has reached its limit. ...

What are the reference voltage points of ATX power supplies?

On 2019-04-15 14:08:24  in Knownlege

What are the reference voltage points of  ATX power supplies?

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

What are the welding materials and the selection of solder?

On 2019-01-27 14:47:56  in Knownlege

What are the welding materials and the selection of solder?

This article writes about the welding materials and the selection of solder ...

Effect of Eu doping concentration on luminescence properties of phosphors

On 2019-01-11 14:27:00  in Knownlege

Effect of Eu doping concentration on luminescence properties of phosphors

This article describes the effect of Eu doping concentration on luminescence properties of phosphors ...

Filter circuit

On 2019-01-04 13:28:12  in Knownlege

Filter circuit

This article briefly introduces the filter circuit. ...

Insulation resistance

On 2018-12-11 14:12:15  in Knownlege

Insulation resistance

This article briefly introduces insulation resistance ...

What is the working principle of the infrared sensor?

On 2018-12-08 11:18:25  in Knownlege

What is the working principle of the infrared sensor?

This article describes the working principle of the infrared sensor . ...

Computer motherboard resistance, capacitance

On 2018-12-08 11:11:23  in Knownlege

Computer motherboard resistance, capacitance

This article writes about the different roles of capacitors and resistors ...

How to synthesize phosphor?

On 2019-01-15 11:35:30  in Knownlege

How to synthesize phosphor?

This article briefly introduces three ways to synthesize phosphors ...

Special points and working principles of Wireless remote Control doorbell

On 2018-12-08 11:05:47  in Knownlege

Special points and working principles of Wireless remote Control doorbell

This article writes about special points and working principles of Wireless remote Control doorbell ...

Transistor roles, characteristics and states

On 2018-12-13 11:45:47  in Knownlege

Transistor  roles, characteristics and states

This article describes of transistor roles, characteristics and states ...

The principle, advantages and disadvantages of several liquid level gauges

On 2019-07-03 10:58:24  in Knownlege

The principle, advantages and disadvantages of several liquid level gauges

This article describes the principle, advantages and disadvantages of several liquid level gauges ...

What is the role of 2.4g wireless transceiver module?

On 2019-06-15 15:26:12  in Knownlege

What is the role of 2.4g wireless transceiver module?

​This article writes about the role of 2.4g wireless transceiver module ...

What is the silicate system?

On 2019-01-15 11:07:23  in Knownlege

What is the silicate system?

This article briefly introduces the silicate system ...

What should we pay attention to in anti-electromagnetic interference design?

On 2018-12-06 11:45:52  in Knownlege

What should we pay attention to in anti-electromagnetic interference design?

This article writes about the anti-electromagnetic interference design ...

Transformer and inverter

On 2018-12-05 11:07:52  in Knownlege

Transformer and inverter

​This article writes about the different roles of transformers and inverters. ...