How to detect the AC voltage/current and DC voltage/current with using a multimeter?

On 2019-02-22 13:54:44  in Technology

How to detect the AC voltage/current and DC voltage/current with using a multimeter?

​This article describes methods for detecting the AC voltage/current and DC voltage/current with using a multimeter ...

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 ...

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 ...

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 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. ...

What are the power system voltage regulation methods and measures?

On 2019-08-08 11:52:11  in Technology

What are the power system voltage regulation methods and measures?

This article describes the characteristics of the voltage regulation. ...

How to judge the DC voltage/current block failure of the mechanical multimeter and how to repair it?

On 2019-01-28 17:40:45  in Technology

How to judge the DC voltage/current block failure of the mechanical multimeter and how to repair it?

This article writes about some methods to judge the DC voltage/current block failure of the mechanical multimeter and repair it. ...

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 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 ...

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. ...

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. ...

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 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 ...

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 ...

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 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 ...

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 ...

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 ...

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. ...

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 use a digital multimeter?

On 2018-12-28 14:41:08  in Technology

How to use a digital multimeter?

This article describes the use methods of digital multimeter. ...

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? ...

Board soldering considerations

On 2018-12-11 13:46:32  in Technology

Board soldering considerations

This article describes the board soldering considerations ...

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? ...

Layout and wiring of components

On 2018-12-06 11:29:22  in Technology

Layout and wiring of components

This article describes the layout and wiring of components ...

Welding of printed circuit boards

On 2018-12-13 10:45:44  in Technology

Welding of printed circuit boards

This article briefly introduces the welding of printed circuit boards ...

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 ...

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 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. ...

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。 ...

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 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. ...

How to reduce errors in detecting DC currents?

On 2019-02-13 11:44:47  in Technology

How to reduce errors in detecting DC currents?

This article describes the method of reducing errors in detecting DC currents. ...

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 ...

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 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 ...

How to measure the transformer is good or bad?

On 2018-12-06 12:03:17  in Technology

How to measure the transformer is good or bad?

This article briefly introduces some ways to measure the transformer is good or bad ...

How to measure the transformer is good or bad?

On 2018-12-04 11:05:19  in Technology

How to measure the transformer is good or bad?

This article briefly introduces this article briefly introduces ...