How to solve the common faults on the LED screen?
On 2021-09-10 10:51:07 in Generally electronic semiconductor
This article describes the characteristics of the LED screen. ...
How to measure the LED digital tube?
On 2018-10-29 15:14:20 in Photoelectric
The appearance discrimination of digital tube usually has 10 pins,usually divided into two rows. ...
How to design a high-efficiency LED driver circuit?
On 2021-11-13 10:52:16 in Photoelectric
This article describes the characteristics of the LED driver. ...
Analysis of various process problems of high-density LED display?
On 2020-07-30 11:16:59 in IC Chips
This article describes the characteristics of the LED display. ...
What are the characteristics of LED waterproof power supply?
On 2021-11-05 10:38:37 in Photoelectric
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. ...
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
This article describes the characteristics of the LED screen. ...
How to choose the right LED street lamp power supply?
On 2022-02-21 11:15:30 in Discrete Semiconductor
This article describes the characteristics of the power supply. ...
How to detect and repair ?
On 2018-12-20 13:52:32 in Photoelectric
This article describes how to detect and repair LEDs ...
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
This article describes the characteristics of the LED. ...
The entire screen of the LED display shows abnormal faults and emergency solutions
On 2019-07-10 13:54:26 in Photoelectric
This article describes the entire screen of the LED display shows abnormal faults and emergency solutions ...
How to realize energy-saving AC drive system of electric vehicle based on boost DC-DC bidirectional converter and inverter?
On 2021-07-23 10:42:32 in Transformer
This article describes the characteristics of the converter. ...
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
This article writes about some methods to judge the DC voltage/current block failure of the mechanical multimeter and repair it. ...
How to design of energy-saving electric vehicle AC drive system based on boost DC-DC bidirectional converter and inverter?
On 2021-07-10 10:44:20 in Transformer
This article describes the characteristics of the converter and inverter ...
How much do you know about LED display and DLP splicing screen?
On 2020-07-29 11:26:53 in Generally electronic semiconductor
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
This article describes the causes of LED strobe ...
How to design the power module of LED display?
On 2021-11-26 11:21:29 in Photoelectric
This article describes the characteristics of the power module. ...
The most advanced LED spectroscopy technology at LIGHTFAIR International (Vitasolis)
On 2019-05-29 16:10:19 in Generally electronic component
This article briefly introduces the most advanced LED spectroscopy technology at LIGHTFAIR International (Vitasolis ...
ROHM has developed a buck-boost DC/DC converter "BD83070GWL" with significant energy saving advantages.
On 2019-08-07 10:34:44 in Generally electronic semiconductor
This article describes the characteristics of the converter. ...
Light-emitting diode
On 2018-12-18 16:00:26 in Photoelectric
This article briefly introduces the light-emitting diode ...
The problem of CPLD driving MAX7219
On 2023-03-15 13:45:13 in IC Chips
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 the difference between led backlit screen and IPS screen?
On 2022-01-21 10:43:33 in Discrete Semiconductor
This article describes the characteristics of the screen. ...
What are the common fault solutions for DC high voltage generators?
On 2021-05-19 10:40:16 in Generally electronic semiconductor
This article describes the characteristics of the generators. ...
What are the RS-422 and RS-485 serial interface standards?
On 2022-02-24 11:00:56 in Connector
This article describes the characteristics of the RS-422 and RS-485 serial interface. ...
Detailed explanation of the difference between full wave rectification and bridge rectification circuit
On 2023-03-08 11:49:56 in Filter
Rectifier circuits are used to convert AC to DC, with two types - full wave rectifier and bridge rectifier, each with unique properties and advantages. ...
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
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
Because the number of LED digital tube is not unified,it can be said that there are no rules to follow ...
what is a discoloration light emitting diode?
On 2018-12-27 13:33:07 in Photoelectric
This article describes the discoloration light emitting diodes ...
Five.Optocoupler
On 2018-10-31 11:35:12 in Generally electronic semiconductor
Optocoupler is an electrical and photoelectric converter composed of LED and photosensitive transistors ...
Third, the detection of integrated circuits
On 2018-10-31 11:32:53 in Generally electronic semiconductor
on-line detection : measure the DC voltage of each foot of the integrated circuit, compare with the standard value, judge the quality of the integrated circuit. ...
Autotransformer and voltage regulating transformer
On 2018-08-28 17:33:17 in Relays
The common characteristic of transformer is that the DC circuit on both sides is completely separated, and the energy transfer on both sides is coupled by magnetic field. ...
How to measure the AXTpower?
On 2019-03-12 14:26:30 in Knownlege
This article describes the method to measure the AXTpower ...
What are the requirements for NDIR carbon dioxide sensor used in incubator?
On 2023-08-16 18:00:15 in Sensor
This article describes the characteristics of the NDIR carbon dioxide sensor. ...
Structure and characteristics
On 2018-11-01 16:47:41 in Memory
LED digital tube also known as semiconductor digital tube ( Figure 1-1-5 ),it is a number of light-emitting diodes arranged in a fixed pattern and packaged together the most commonly used digital display one of the devices ...
Vishay Introduces New Automotive Grade IHLP High Current Inductor with a Height of Only 7.0mm
On 2019-07-06 15:07:13 in Inductor
This article describes that Vishay introduces new automotive grade IHLP high current inductor with a height of only 7.0mm ...
What is the difference between different panels?
On 2021-10-22 11:13:25 in Generally electronic component
This article describes the characteristics of the panels. ...
What is the step-down working principle of capacitor?
On 2019-01-19 16:30:32 in Capacitors
This article writes about the step-down working principle of capacitor. ...
What is the detection principle of the optical fiber sensor?
On 2021-02-27 10:46:10 in Sensor
This article introduces the detection principle of optical fiber sensors. ...
What are the grounding problems of RS-422 and RS-485?
On 2021-12-01 10:59:45 in Connector
This article describes the characteristics of the antenna. ...
How does an infrared proximity sensor work?
On 2020-11-18 11:26:50 in Sensor
This article describes the characteristics of the sensor. ...