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) ...

Analysis of various process problems of high-density LED display?

On 2020-07-30 11:16:59  in IC Chips

Analysis of various process problems of high-density LED display?

This article describes the characteristics of the LED display. ...

How to solve the problem of frequent tripping of the LED display total leakage protector?

On 2021-09-13 11:37:28  in Generally electronic semiconductor

How to solve the problem of frequent tripping of the LED display total leakage protector?

This article describes the characteristics of the LED screen. ...

What is the Titanate system?

On 2019-01-14 17:51:29  in Knownlege

What is the Titanate system?

This article writes about the Titanate system. ...

How to choose the right LED street lamp power supply?

On 2022-02-21 11:15:30  in Discrete Semiconductor

How to choose the right LED street lamp power supply?

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

How to use the negative output voltage to adjust the LED current in a buck-boost topology?

On 2020-03-16 10:14:18  in IC Chips

How to use the negative output voltage to adjust the LED current in a buck-boost topology?

This article describes the characteristics of the LED. ...

Comparison of OLED and QLED and comparison of advantages

On 2019-05-30 14:42:03  in Generally electronic semiconductor

Comparison of OLED and QLED and comparison of advantages

This article compare the advantages of QLED to OLED ...

The entire screen of the LED display shows abnormal faults and emergency solutions

On 2019-07-10 13:54:26  in Photoelectric

The entire screen of the LED display shows abnormal faults and emergency solutions

This article describes the entire screen of the LED display shows abnormal faults and emergency solutions ...

what is an infrared light emitting diode?

On 2018-10-26 16:45:24  in Memory

what is an infrared light emitting diode?

determine the order of the arrangement of the pins.The multimeter is placed in the R*1 thousand euro file ...

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 ...

How much do you know about LED display and DLP splicing screen?

On 2020-07-29 11:26:53  in Generally electronic semiconductor

How much do you know about LED display and DLP splicing screen?

This article describes the characteristics of the LED display and DLP splicing screen. ...

LED strobe causes

On 2019-06-05 17:59:02  in Generally electronic semiconductor

LED strobe causes

This article describes the causes of LED strobe ...

What are the characteristics of LED waterproof power supply?

On 2021-11-05 10:38:37  in Photoelectric

What are the characteristics of LED waterproof power supply?

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

The LED display does not work, and the cause of the fault is determined and eliminated according to the flashing green light of the sending card.

On 2019-06-13 16:14:11  in Generally electronic semiconductor

The LED display does not work, and the cause of the fault is determined and eliminated according to the flashing green light of the sending card.

The LED display does not work, and the cause of the fault is determined and eliminated according to the flashing green light of the sending card. ...

What are the 21 application trends of sensors in the future?

On 2023-08-07 18:36:07  in Sensor

What are the 21 application trends of sensors in the future?

This article describes the characteristics of the sensors. ...

What is the difference between led backlit screen and IPS screen?

On 2022-01-21 10:43:33  in Discrete Semiconductor

What is the difference between led backlit screen and IPS screen?

This article describes the characteristics of the screen. ...

How to design the power module of LED display?

On 2021-11-26 11:21:29  in Photoelectric

How to design the power module of LED display?

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

What is the difference between a triode and a MOS transistor on an analog circuit?

On 2019-12-02 10:36:58  in Generally electronic semiconductor

What is the difference between a triode and a MOS transistor on an analog circuit?

This article describes the characteristics of the triode and a MOS transistor. ...

The identification of model and pin

On 2018-11-01 16:51:26  in Relays

The identification of model and pin

Because the number of LED digital tube is not unified,it can be said that there are no rules to follow ...

The problem of CPLD driving MAX7219

On 2023-03-15 13:45:13  in IC Chips

The problem of CPLD driving MAX7219

CPLD is used to drive MAX7219 IC, making it possible to control up to 64 individual LEDs with minimal control pins from a controller. It is simpler to program and has higher speed than microcontrollers. ...

what is a discoloration light emitting diode?

On 2018-12-27 13:33:07  in Photoelectric

what is a discoloration light emitting diode?

This article describes the discoloration light emitting diodes ...

Five.Optocoupler

On 2018-10-31 11:35:12  in Generally electronic semiconductor

Five.Optocoupler

Optocoupler is an electrical and photoelectric converter composed of LED and photosensitive transistors ...

What are the requirements for NDIR carbon dioxide sensor used in incubator?

On 2023-08-16 18:00:15  in Sensor

What are the requirements for NDIR carbon dioxide sensor used in incubator?

This article describes the characteristics of the NDIR carbon dioxide sensor. ...

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. ...

LCD liquid crystal display principle and RGB principle

On 2019-07-12 11:58:55  in Photoelectric

LCD liquid crystal display principle and RGB principle

This article writes about the LCD liquid crystal display principle and RGB principle ...

OLED display full color and drive mode

On 2019-06-14 16:01:06  in Generally electronic semiconductor

OLED display full color and drive mode

This article describes the OLED display full color and drive mode ...

What is the detection principle of the optical fiber sensor?

On 2021-02-27 10:46:10  in Sensor

What is the detection principle of the optical fiber sensor?

This article introduces the detection principle of optical fiber sensors. ...

Identification of Fixed Resistors

On 2018-12-15 14:11:23  in Resistors

Identification of Fixed Resistors

This article writes about the identification of Fixed Resistors ...

How does an infrared proximity sensor work?

On 2020-11-18 11:26:50  in Sensor

How does an infrared proximity sensor work?

This article describes the characteristics of the sensor. ...

How to choose the most suitable machine vision lighting?

On 2020-07-31 11:53:41  in Generally electronic semiconductor

How to choose the most suitable machine vision lighting?

This article describes the characteristics of the machine vision lighting. ...

what are the characteristics of a light emitting diode?

On 2018-10-26 16:17:19  in IC Chips

what are the characteristics of a light emitting diode?

Light emitting diodes have the same conductivity as ordinary diodes.When positive currents pass through PN junctions ...

What is the priciple of the digital tube?

On 2019-01-22 16:49:17  in Photoelectric

What is the priciple of the digital tube?

This article describes the basic principles of the digital tube ...

How to distinguish common diodes?

On 2019-01-19 16:38:32  in Generally electronic semiconductor

How to distinguish common diodes?

This article explores how to distinguish common diodes ...

ASUS Host Point Bitmap usage method 1

On 2019-03-21 11:34:13  in Question

ASUS Host Point Bitmap usage method 1

This article describes the ASUS Host Point Bitmap usage method 1 (older version). ...

What is COB?

On 2019-01-02 15:26:57  in Technology

What is COB?

This article writes about the COB ...

LEDVANCE announces that it will close a factory in the US

On 2019-05-15 13:21:34  in Knownlege

LEDVANCE announces that it will close a factory in the US

This article describes that LEDVANCE will close a factory in the US ...

What types of monitors are divided into display technologies?

On 2021-11-27 10:41:03  in Photoelectric

What types of monitors are divided into display technologies?

This article describes the characteristics of the display technologies. ...

Spectral Analysis of Eu and Bi

On 2019-01-14 17:35:33  in Photoelectric

Spectral Analysis of Eu and Bi

This article describes the spectral Analysis of Eu and Bi ...

What are the application challenges of LCD monitors?

On 2019-07-13 13:42:09  in Photoelectric

What are the application challenges of LCD monitors?

This article introduces some application challenges of LCD monitors ...

How to detect a one-way thyristor?

On 2018-10-29 14:00:36  in Generally electronic semiconductor

How to detect a one-way thyristor?

Determination of appearance recognition of each electrode Common unidirectional thyristor electrodes are arranged as shown in Figure. ...