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 ...
The main role of the potentiometer?
On 2018-12-11 13:20:38 in Knownlege
This article describes the main role of the potentiometer ...
How many of the 6 characteristic parameters of capacitors do you know?
On 2023-03-07 16:54:04 in Capacitors
Capacitors are commonly used in electrical components and circuits for their ability to store and control charge, provide low impedance and high voltage withstanding capacity, self-discharge, and be temperature insensitive. ...
Why the Raspberry Pi 4's USB-C interface is not compatible with all Type-C data lines？
On 2019-07-31 10:49:42 in Technology
This article describes the characteristics of the USB-C interface and Type-C data lines. ...
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 ...
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 measure resistance using a universal bridge meter?
On 2019-01-27 15:00:33 in Technology
This article describes how the universal bridge meter measure resistance. ...
What is an inductor and how to distinguish the inductance value?
On 2019-01-21 10:47:08 in Inductor
This article describes what is an inductor and how to distinguish the inductance value ...
Three types of the comparator
On 2019-01-08 13:36:28 in IC Chips
This article describes three types of the comparator. ...
12V battery level indicator circuit (LED bargraph)
On 2018-12-20 11:55:33 in Generally electronic component
This article briefly introduces 12V battery level indicator circuit (LED bargraph) ...
AMD Motherboard bus Power supply Analysis
On 2019-04-23 14:03:28 in Knownlege
This article writes about the AMD Motherboard bus Power supply Analysis ...
What are the components of the wired mouse module and connector?
On 2019-01-14 17:44:21 in Knownlege
This article introduces some the components of the wired mouse module and connector ...
What is the welding process of printed circuit board?
On 2019-01-12 11:44:44 in Knownlege
This article writes about the welding process of printed circuit board ...
Classification and model naming of Integrated Circuits
On 2018-12-13 15:16:20 in IC Chips
This article describes the classification and model naming of Integrated Circuits ...
How to solve some problems of RS-485?
On 2022-03-01 11:32:36 in Connector
This article describes the characteristics of the RS-485. ...
What is the matching method of RS-422 and RS-485 transmission lines?
On 2021-12-30 10:59:47 in Connector
This article describes the characteristics of the RS-422 and RS-485 transmission lines. ...
What are the symbols represent in circuit diagram?
On 2019-03-26 11:26:30 in Generally electronic component
This article introduces the symbols represent in circuit diagram ...
What should you know before solder?
On 2019-01-12 13:20:48 in Knownlege
This article describes some konwnledge that you should know before solder. ...
What are the main parameters of the varistor?
On 2019-01-09 13:22:09 in Resistors
This article describes the main parameters of the varistor. ...
Monolithic/Hybrid Digital to Analog Converters
On 2018-12-27 10:47:45 in Technology
This article briefly introduces Monolithic/Hybrid Digital to Analog Converters ...
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 ...
The difference between resistance and impedance
On 2018-12-04 11:32:41 in Knownlege
This article describes the difference between resistance and impedance ...
what is a double base diode (single junction transistor)?
On 2018-10-26 17:09:25 in Memory
Double base diode,also known as single crystal transistor (UJT)is a three terminal semiconductor device with only one PN junction.the circuit symbol,internal structure and equivalent circuit of double base diode. ...
What are the principles, characteristics and applications of the thermal conductivity gas sensor MTCS2601?
On 2023-08-23 18:18:45 in Sensor
This article describes the characteristics of the gas sensor MTCS2601. ...
What is the relevant knowledge of thermal conductivity gas sensor MTCS2601?
On 2023-06-20 14:52:25 in IC Chips
This article describes the characteristics of the thermal conductivity gas sensor MTCS2601. ...
What is the structure of the switching power supply transistor amplifier circuit?
On 2019-10-25 10:19:52 in Generally electronic component
This article describes the characteristics of the transistor amplifier. ...
What is the working principle of crystal triode amplifier circuit?
On 2019-10-10 10:13:47 in Generally electronic component
This article describes the characteristics of the crystal triode amplifier. ...
Four switching power supplies common fail and repair skills
On 2019-07-11 10:59:51 in Generally electronic component
This article briefly introduces four switching power supplies common fail and repair skills ...
ASUS Host Point Bitmap usage method 1
On 2019-03-21 11:34:13 in Question
This article describes the ASUS Host Point Bitmap usage method 1 (older version). ...
How to repair mechanical multimeter magnetoelectric meter head and resistance blocking fault？
On 2019-01-28 13:37:51 in Technology
This article describes how to repair mechanical multimeter magnetoelectric meter head and resistance blocking fault. ...
How to layout components when design a printed circuit board?
On 2019-01-14 13:39:47 in Knownlege
This article describes the layout design of printed circuit boards ...
Li-Po battery or Lithium-Polymer battery is a rechargeable battery
On 2018-12-20 13:24:38 in Generally electronic component
This article briefly introduces Li-Po battery or Lithium-Polymer battery ...
What is the role of the power tube?
On 2018-12-01 11:43:01 in Technology
This article describes the role of the power tube ...
Plug-in of electronic components
On 2018-11-01 13:51:17 in Relays
Manual insertion and welding should be first inserted into those components that need to be mechanically fixed,such as the power device radiator,bracket,clip,etc,and then insert the need to weld fixed components. ...
what is a super bright light emitting diode?
On 2018-10-26 16:22:18 in Generally electronic semiconductor
The common L.ED luminescence intensity has developed from several mned to dozens of med. ...
How to use the basic measurement function of automobile digital multimeter?
On 2019-03-09 11:48:04 in Technology
This article describes the use of the basic measurement function of automobile digital multimeter ...
What is a double base diode (Unijunction transistor) and how to detect it?
On 2019-01-07 10:35:39 in Generally electronic semiconductor
This article describes the double base diode (Unijunction transistor) and the detection method of it. ...
Specific use of multimeter in ATX power maintenance.
On 2019-04-18 14:50:01 in Knownlege
This article briefly introduces the specific use of multimeter in ATX power maintenance. ...
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 ...
Linear Hall Effect Current Sensor IC
On 2023-03-10 11:33:07 in IC Chips
Linear Hall effect current sensor IC is used to measure and detect electrical current in circuits, while being reliable and accurate. It is used in various applications such as motor protection and circuit diagnosis. ...