12V battery level indicator circuit (LED bargraph)

On 2018-12-20 11:55:33  in Generally electronic component

12V battery level indicator circuit (LED bargraph)

This article briefly introduces 12V battery level indicator circuit (LED bargraph) ...

LED digital tube.

On 2021-03-03 10:32:13  in Generally electronic component

LED digital tube.

This article describes the role of LED digital tube. ...

What are the selection criteria for capacitance, resistance, and inductance?

On 2021-06-30 11:30:29  in Generally electronic component

What are the selection criteria for capacitance, resistance, and inductance?

This article describes the characteristics of the capacitance, resistance, and inductance. ...

The most advanced LED spectroscopy technology at LIGHTFAIR International (Vitasolis)

On 2019-05-29 16:10:19  in Generally electronic component

The most advanced LED spectroscopy technology at LIGHTFAIR International (Vitasolis)

This article briefly introduces the most advanced LED spectroscopy technology at LIGHTFAIR International (Vitasolis ...

What is the difference between different panels?

On 2021-10-22 11:13:25  in Generally electronic component

What is the difference between different panels?

This article describes the characteristics of the panels. ...

Can a Switching Power Supply Be Used as a Charger?

On 2018-12-26 17:13:50  in Generally electronic component

Can a Switching Power Supply Be Used as a Charger?

The article explores whether a switching power supply can be used as a charger ...

What are the tips for selecting TVS?

On 2021-07-15 10:51:19  in Generally electronic component

What are the tips for selecting TVS?

This article describes the characteristics of the TVS. ...

How to detect a transformer?

On 2018-12-20 11:11:48  in Generally electronic component

How to detect a transformer?

This article describes how to detect a transformer. ...

What are the performance characteristics and parameters of a small sealed lead-acid battery?

On 2018-12-28 17:03:12  in Generally electronic component

What are the performance characteristics and parameters of a small sealed lead-acid battery?

This article describes the performance characteristics and parameters of a small sealed lead-acid battery ...

Common switch and automatic switch: relay

On 2019-01-21 16:53:38  in Generally electronic component

Common switch and automatic switch: relay

This article briefly introduces the common switch and automatic switch: relay ...

In order to achieve satisfactory TV results, how to select and use DLP splicing screens?

On 2020-09-02 10:22:03  in Generally electronic component

In order to achieve satisfactory TV results, how to select and use DLP splicing screens?

This article describes the characteristics of DLP splicing screens. ...

Do you know switching principle of transistor and base induction voltage?

On 2019-08-26 10:43:35  in Generally electronic component

Do you know switching principle of transistor and base induction voltage?

This article describes the characteristics of transistor. ...

Li-Po battery or Lithium-Polymer battery is a rechargeable battery

On 2018-12-20 13:24:38  in Generally electronic component

Li-Po battery or Lithium-Polymer battery is a rechargeable battery

This article briefly introduces Li-Po battery or Lithium-Polymer battery ...

[IC Insights] Although DRAM sales fell 38%, it will remain the largest IC market.

On 2019-08-03 10:13:51  in Generally electronic component

[IC Insights] Although DRAM sales fell 38%, it will remain the largest IC market.

This article describes the characteristics of the IC. ...

What are the characteristics and importance of power cable insulation?

On 2019-08-14 10:31:38  in Generally electronic component

What are the characteristics and importance of power cable insulation?

This article describes the characteristics of the cables. ...

How to detect and replace the magnetron?

On 2018-12-28 16:05:11  in Generally electronic component

How to detect and replace the magnetron?

This article describes the way to detect and replace the magnetron ...

The main parameters and identification of the potentiometer

On 2018-12-20 13:38:20  in Generally electronic component

The main parameters  and identification of the potentiometer

This article introduces the main parameters and identification of the potentiometer ...

What are the performance characteristics of headphones and earplugs and how to detect them?

On 2018-12-21 10:48:38  in Generally electronic component

What are the performance characteristics of headphones and earplugs and how to detect them?

This article briefly introduces the performance characteristics and detection of headphones and earplugs ...

How to check the switch?

On 2018-12-15 14:43:25  in Generally electronic component

How to check the switch?

This article briefly introduces some ways to check the switch ...

How to detect and repair ceramic filters?

On 2018-12-20 14:47:43  in Generally electronic component

How to detect and repair ceramic filters?

This article describes how to detect and repair ceramic filters ...

What is the difference between magnetic beads and inductors in solving EMI and EMC?

On 2019-08-03 11:00:23  in Generally electronic component

What is the difference between magnetic beads and inductors in solving EMI and EMC?

This article describes the characteristics of the inductors. ...

How to detect quartz crystals and make emergency repairs?

On 2018-12-28 15:51:07  in Generally electronic component

How to detect quartz crystals and  make emergency repairs?

This article introduces some ways to detect quartz crystals and make emergency repairs ...

What is a small cover pole motor and how to test and repair it?

On 2019-01-08 10:21:31  in Generally electronic component

What is a small cover pole motor and how to test and repair it?

This article describes about the small cover pole motor and how to test and repair it ...

What are the constituent characteristics of an electret microphone and how to detect it?

On 2018-12-29 13:15:51  in Generally electronic component

What are the constituent characteristics of an electret microphone and how to detect it?

This article writes about the constituent characteristics of an electret microphone and how to detect it ...

What is the basic principles and roles of loudspeakers ?

On 2018-12-15 11:35:54  in Generally electronic component

What is  the basic principles and roles of loudspeakers ?

This article describes the basic principles and roles of loudspeakers ...

What are the principle,types and main technical parameters of a switch?

On 2019-01-08 10:56:57  in Generally electronic component

What are the principle,types and main technical parameters of a switch?

This article describes the principle,types and main technical parameters of a switch ...

How to Detect a Universal Three-Terminal Integrated Voltage Regulator?

On 2018-12-15 14:28:23  in Generally electronic component

How to Detect a Universal Three-Terminal Integrated Voltage Regulator?

This article briefly introduces how to Detect a Universal Three-Terminal Integrated Voltage Regulator ...

What are the main points and points of attention of the power regulator?

On 2021-06-12 10:59:33  in Generally electronic component

What are the main points and points of attention of the power regulator?

This article describes the characteristics of the power regulators. ...

What are the methods of shielding interference in PCB design?

On 2019-07-23 13:44:09  in Generally electronic component

What are the methods of shielding interference in PCB design?

This article describes some methods of shielding interference in PCB design ...

What are the methods and techniques for detecting switching circuit?

On 2019-12-06 10:25:39  in Generally electronic component

What are the methods and techniques for detecting switching circuit?

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

How to repair the loudspeaker after it is damaged?

On 2018-12-20 15:10:45  in Generally electronic component

How to repair the loudspeaker after it is damaged?

This artical describes that how to repair the loudspeaker after it is damaged ...

What are the current selection and usage methods of lithium battery protection board?

On 2021-05-17 10:54:22  in Generally electronic component

What are the current selection and usage methods of lithium battery protection board?

This article describes the characteristics of the lithium battery protection board. ...

What is the working principle of crystal triode amplifier circuit?

On 2019-10-10 10:13:47  in Generally electronic component

What is the working principle of crystal triode amplifier circuit?

This article describes the characteristics of the crystal triode amplifier. ...

What are the symbols represent in circuit diagram?

On 2019-03-26 11:26:30  in Generally electronic component

What are the symbols represent in circuit diagram?

This article introduces the symbols represent in circuit diagram ...

What are the methods for preventing the reverse connection of the MOS tube?

On 2019-08-07 10:30:11  in Generally electronic component

What are the methods for preventing the reverse connection of the MOS tube?

This article describes the characteristics of the MOS tube. ...

Quartz resonator(crystal oscillator)

On 2018-12-27 14:23:56  in Generally electronic component

Quartz resonator(crystal oscillator)

This article writes about the quartz resonator ...

How to distinguish between the pin diagram of the infrared receiver and the amplifier circuit?

On 2019-09-05 10:06:41  in Generally electronic component

How to distinguish between the pin diagram of the infrared receiver and the amplifier circuit?

This article describes the characteristics of the the infrared receiver and the amplifier circuit. ...

Will Lithium-ion Battery Be Replaced By Solid-state Battery in the Future?

On 2018-12-25 15:15:05  in Generally electronic component

Will Lithium-ion Battery Be Replaced By Solid-state Battery in the Future?

​The article explores whether lithium-ion battery be replaced by solid-state battery in the future ...

Headphone

On 2019-01-04 11:32:17  in Generally electronic component

Headphone

This article briefly introduces the headphone. ...

What should pay attention to in the application of the potentiometer?

On 2018-12-21 10:29:23  in Generally electronic component

What should pay attention to in the application of the potentiometer?

This article briefly introduces in the application of the potentiometer something should be paid attention. ...