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. ...
New LDMOS transistor pair
On 2019-05-09 14:20:24 in Knownlege
This article briefly introduces a new LDMOS transistor pair ...
What are the methods for selecting electrolytic capacitors?
On 2019-08-28 10:32:24 in Capacitors
This article describes the characteristics of the electrolytic capacitors. ...
Why do the monitors exhibit different capacitance bulging?
On 2019-07-11 10:28:54 in Photoelectric
This article briefly introduces the reasons of monitors exhibiting different capacitance bulging ...
The operating principle of AMD single-bridge A55 chipset motherboard boot circuit.
On 2019-04-26 10:52:17 in Knownlege
This article describes the operating principle of AMD single-bridge A55 chipset motherboard boot circuit. ...
The operating principle of the Intel dual-bridge G41 chipset motherboard boot circuit.
On 2019-04-17 17:02:11 in Knownlege
This article describes the operating principle of the Intel dual-bridge G41 chipset motherboard boot circuit. ...
Classification of amplifiers and distinction between tubes and transistors
On 2018-12-08 11:52:44 in Knownlege
This article writes about the classification of amplifiers and different roles of tubes and transistors ...
Daily use habits and maintenance precautions for pure electric vehicles
On 2019-07-13 13:25:12 in Technology
This article describes the daily use habits and maintenance precautions for pure electric vehicles ...
What is a positive temperature coefficient thermistor?
On 2018-12-14 13:13:50 in Knownlege
This article describes the parameters and measurement of the positive temperature coefficient thermistor ...
What is the working principle of various buck regulators?
On 2021-07-13 10:55:40 in Transformer
This article describes the characteristics of the regulators. ...
The working principle of the reset circuit for the AMD A55 chipset motherboard.
On 2019-11-20 15:07:03 in IC Chips
This article describes the characteristics of the working principle of the reset circuit for the AMD A55 chipset motherboard ...
Some types of transformers.
On 2018-12-27 14:49:22 in Transformer
This article introduces three types of transformers. ...
Decoupling capacitance design
On 2018-12-06 11:51:04 in Knownlege
This article briefly introduces the decoupling capacitance design ...
How to design a high-performance LED display?
On 2021-09-07 10:35:27 in Generally electronic semiconductor
This article describes the characteristics of the LED display. ...
How to buy an air conditioner regulator?
On 2021-07-20 13:42:16 in Generally electronic semiconductor
This article describes the characteristics of the regulators. ...
What is the definition and major categories of low-voltage electrical appliances?
On 2019-05-23 11:55:08 in Knownlege
This article briefly introduces the definition and major categories of low-voltage electrical appliances ...
Extend the life of electrical appliances
On 2019-05-08 14:37:43 in Technology
This article briefly introduces a method that extend the life of electrical appliances ...
The working principle of APW7120 chip.
On 2019-07-01 17:52:15 in IC Chips
This article analyze the working principle of APW7120 chip ...
What is the Inductor?
On 2019-02-13 11:43:40 in Inductor
This article briefly introduces the Inductor. ...
What is the difference between a lithium battery charger and an adapter?
On 2021-07-02 10:47:03 in IC Chips
This article describes the characteristics of the lithium battery charger and an adapter. ...
What are capacitance charging and discharge?
On 2019-08-21 10:54:46 in Capacitors
This article describes the characteristics of capacitance charging and discharge. ...
How to repair the reset circuit?
On 2019-05-05 14:17:25 in Knownlege
This article describes the Repair method for reset circuit failure. ...
the structure,type and detection method of the loudspeaker
On 2018-11-03 15:12:34 in Memory
one The structure of the loudspeaker.The loudspeaker,also known as the horn,is an electro-acoustic conversion device that converts the analog voice telephone number into a sound wave ...
What are the performance characteristics and functions of the six-input voltage monitor?
On 2021-07-03 10:55:15 in Transformer
This article describes the characteristics of the monitor. ...
CMOS circuit composition and working principle.
On 2019-05-30 14:45:14 in Generally electronic semiconductor
This article introduces the CMOS circuit composition and working principle ...
The main parameters and identification of the potentiometer
On 2018-12-20 13:38:20 in Generally electronic component
This article introduces the main parameters and identification of the potentiometer ...
What about the iW220l and iW2202 digital controllers based on pulse train patent technology?
On 2021-07-05 11:05:01 in Technology
This article describes the characteristics of the controllers. ...
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 features and use note of CMOS circuit?
On 2019-01-09 14:07:06 in Knownlege
This article describes the features and use note of CMOS circuit ...
How should I choose an electrolytic capacitor?
On 2019-12-12 10:26:00 in Capacitors
This article describes the characteristics of the electrolytic capacitors. ...
Do you know how to choose electrolytic capacitors?
On 2019-08-05 10:38:41 in Capacitors
This article describes the characteristics of the electrolytic capacitors. ...
How to make an water tank water level automatic controller production?
On 2019-01-23 17:18:01 in Technology
The article explores how to make an water tank water level automatic controller production ...
How to produce a LED dimming table lamp?
On 2019-01-22 16:51:25 in Technology
This article describes how to produce a LED dimming table lamp ...
How to measure the transformer is good or bad?
On 2018-12-06 12:03:17 in Technology
This article briefly introduces some ways to measure the transformer is good or bad ...
What kinds of electromagnetic compatibility tests are there?
On 2019-10-09 13:25:56 in Generally electronic component
This article describes the characteristics of the electromagnetic compatibility. ...
What are the problems when LED display does not display or display incomplete?
On 2019-07-16 11:06:51 in Photoelectric
This article describes the LED display does not display or display incomplete fault causes and troubleshooting methods ...
Analysis of the working principle of UP6103 chip.
On 2019-05-29 16:15:45 in IC Chips
This article describes the analysis of the working principle of UP6103 chip. ...
How to check if the circuit is open with using a multimeter?
On 2019-02-20 11:00:54 in Knownlege
This article briefly introduces some mthods for checking if the circuit is open with using a multimeter. ...