How to judge whether the capacitor is good?

On 2018-12-05 10:43:01  in Technology

How to judge whether the capacitor is good?

This article introduces how to judge whether the capacitor is good or bad ...

A preliminary understanding of the parasitic effects of resistors and capacitors

On 2018-12-26 10:39:18  in Technology

 A preliminary understanding of the parasitic effects of resistors and capacitors

This article briefly introduces the parasitic effects of resistors and capacitors ...

How to judge a capacitor is good or bad and replace the bad one?

On 2019-03-11 12:00:02  in Technology

How to judge a capacitor is good or bad and replace the bad one?

This article describes the method to judge a capacitor is good or bad and replace the bad one ...

How to make DC adjustable power supply?

On 2019-01-22 16:54:34  in Technology

How to make DC adjustable power supply?

This article describes how to make DC adjustable power supply ...

How to make an inductive electronic welcome device?

On 2019-01-23 17:10:29  in Technology

How to make an inductive electronic welcome device?

This article describes how to make an inductive electronic welcome device ...

Board soldering considerations

On 2018-12-11 13:46:32  in Technology

Board soldering considerations

This article describes the board soldering considerations ...

Keyboard, mouse interface circuit analysis and maintenance.

On 2019-07-03 11:03:42  in Technology

Keyboard, mouse interface circuit analysis and maintenance.

Keyboard, mouse interface circuit analysis and maintenance. ...

What about the iW220l and iW2202 digital controllers based on pulse train patent technology?

On 2021-07-05 11:05:01  in Technology

What about the iW220l and iW2202 digital controllers based on pulse train patent technology?

This article describes the characteristics of the controllers. ...

What are the measures to improve electromagnetic compatibility?

On 2019-09-10 10:17:48  in Technology

What are the measures to improve electromagnetic compatibility?

This article describes the characteristics of the electromagnetic compatibility. ...

What is solder sucker and how to use and repair it?

On 2019-01-27 15:12:51  in Technology

What is solder sucker and how to use and repair it?

This article describes the use and repair of the solder sucker. ...

The difference between digital power and analog power

On 2019-07-26 10:36:39  in Technology

The difference between digital power and analog power

This article briefly introduces the difference between digital power and analog power ...

How to improve the technology of electromagnetic compatibility?

On 2019-08-19 10:39:30  in Technology

How to improve the technology of electromagnetic compatibility?

This article describes the characteristics of the EMI. ...

How to repair the mechanical multimeter AC voltage and current mode fault?

On 2019-01-28 13:44:30  in Technology

How to repair the mechanical multimeter AC voltage and current mode fault?

This article briefly introduces how to repair the mechanical multimeter AC voltage and current mode fault. ...

How to measure if the start-up circuit motherboard is short-circuited.

On 2019-06-14 16:05:01  in Technology

How to measure if the start-up circuit motherboard is short-circuited.

This article describes the method of measure if the start-up circuit motherboard is short-circuited. ...

What are the characteristics and functions of magnetic beads?

On 2019-08-15 10:16:55  in Technology

What are the characteristics and functions of magnetic beads?

This article describes the characteristics of the magnetic beads. ...

DDR2 memory power supply circuit analysis.

On 2019-05-31 14:22:25  in Technology

DDR2 memory power supply circuit analysis.

This article writes about the DDR2 memory power supply circuit analysis. ...

How to use a mechanical multimeter?

On 2019-01-27 14:43:12  in Technology

How to use a mechanical multimeter?

This article introduces how to use a mechanical multimeter. ...

How to make a fast battery charger?

On 2019-01-21 16:38:37  in Technology

How to make a fast battery charger?

This article describes how to make a fast battery charger ...

What is the work principle of LED cycle light and the list of components to form it?

On 2019-01-23 16:37:01  in Technology

What is the work principle of LED cycle light and the list of components to form it?

This article write about the work principle of LED cycle light and the list of components to form it ...

How to use the basic measurement function of automobile digital multimeter?

On 2019-03-09 11:48:04  in Technology

How to use the basic measurement function of automobile digital multimeter?

This article describes the use of the basic measurement function of automobile digital multimeter ...

How to make an electronic energy saving lamp?

On 2019-01-19 16:55:13  in Technology

How to make an electronic energy saving lamp?

This article describes to make an electronic energy saving lamp ...

What is the role of the power tube?

On 2018-12-01 11:43:01  in Technology

What is the role of the power tube?

This article describes the role of the power tube ...

How to repair a transformer after it has been damaged

On 2018-12-20 11:26:34  in Technology

How to repair a transformer after it has been damaged

The article explores some repair methods after the transformer has been damaged ...

How to detect the capacitance of the computer motherboard

On 2018-12-05 11:13:03  in Technology

How to detect the capacitance of the computer motherboard

This article describes the detection method of the capacitance of the computer motherboard ...

What is the working principle of intelligent colored lights controller?

On 2019-01-28 15:21:12  in Technology

What is the working principle of intelligent colored lights controller?

This article writes about the working principle of intelligent colored lights controller ...

Extend the life of electrical appliances

On 2019-05-08 14:37:43  in Technology

Extend the life of electrical appliances

This article briefly introduces a method that extend the life of electrical appliances ...

How to solve the interference problem in the motor controller EMC test process?

On 2019-08-12 10:13:51  in Technology

How to solve the interference problem in the motor controller EMC test process?

This article describes the characteristics of the motor controller. ...

What is a mechanical multimeter?

On 2018-12-11 14:49:07  in Technology

What is a mechanical multimeter?

This article introduces how to use mechanical multimeter ...

Quality requirements for solder joints

On 2018-12-01 11:35:46  in Technology

Quality requirements for solder joints

This article describes the quality requirements for solder joints ...

How to produce a LED dimming table lamp?

On 2019-01-22 16:51:25  in Technology

How to produce a LED dimming table lamp?

This article describes how to produce a LED dimming table lamp ...

How to use the universal bridge meter for measuring capacitance?

On 2019-01-28 13:39:44  in Technology

How to use the universal bridge meter for measuring capacitance?

This article describes how to use the universal bridge meter for measuring capacitance. ...

How to identify and detect electronic components

On 2018-12-05 11:39:50  in Technology

How to identify and detect electronic components

​ This article briefly introduce how to identify and detect electronic components ...

What are the five major electronic components?

On 2018-12-01 11:49:17  in Technology

What are the five major electronic components?

This article briefly introduces the five major electronic components。 ...

How the PSON to power on the ATX and then output other dc outputs?

On 2019-03-16 13:48:08  in Technology

How the PSON to power on the ATX and then output other dc outputs?

This article writes about the PSON to power on the ATX and then output other dc outputs? ...

What is the difference between electronic component plug-ins and patches?

On 2018-12-03 13:34:48  in Technology

What is the difference between electronic component plug-ins and patches?

This article is about the difference between electronic component plug-ins and patches. ...

CMOS circuit fault maintenance method.

On 2019-05-06 11:21:24  in Technology

CMOS circuit fault maintenance method.

This article describes the maintenance method of CMOS circuit. ...

Signal line design

On 2018-12-05 10:52:23  in Technology

Signal line design

​This article briefly introduces the signal line design ...

What are the common faults of the digital multimeter and how to fix it after the fault?

On 2019-01-27 15:09:34  in Technology

What are the common faults of the digital multimeter and how to fix it after the fault?

This article writes about the digital multimeter common faults and maintenance. ...

How to measure motherboard standby conditions?

On 2019-06-15 15:28:54  in Technology

How to measure motherboard standby conditions?

This article describes how to measure motherboard standby conditions. ...

How to manufacture a mobile phone battery charger?

On 2019-01-22 16:56:32  in Technology

How to manufacture a mobile phone battery charger?

This article describes how to manufacture a mobile phone battery charger? ...