How to use a digital multimeter?
On 2018-12-28 14:41:08 in Technology
This article describes the use methods of digital multimeter. ...
How to Detect a Universal Three-Terminal Integrated Voltage Regulator?
On 2018-12-15 14:28:23 in Generally electronic component
This article briefly introduces how to Detect a Universal Three-Terminal Integrated Voltage Regulator ...
Transistor roles, characteristics and states
On 2018-12-13 11:45:47 in Knownlege
This article describes of transistor roles, characteristics and states ...
What is transistor?
On 2019-11-07 10:38:37 in Discrete Semiconductor
This article describes the characteristics of transistor. ...
How to make a fast battery charger?
On 2019-01-21 16:38:37 in Technology
This article describes how to make a fast battery charger ...
What are the characteristics of led lamp beads?
On 2019-07-24 10:57:33 in Photoelectric
This article describes the characteristics of LED lamp beads ...
The reason why the oled screen is burning, how to fix it?
On 2021-10-27 11:07:07 in Photoelectric
Oled screen burning reason analysis ...
What is the isolated power supply using a buck regulator IC?
On 2021-07-08 11:03:12 in IC Chips
This article describes the characteristics of the power supply. ...
What are the current selection and usage methods of lithium battery protection board?
On 2021-05-17 10:54:22 in Generally electronic component
This article describes the characteristics of the lithium battery protection board. ...
Pin identification and detection method of LED digital tube
On 2019-01-05 12:09:49 in Photoelectric
This article describes the pin identification and detection method for LED digital tube ...
What is an buzzer and speaker?
On 2019-01-21 16:58:01 in Generally electronic component
This article describes the buzzer and speaker. ...
The principle of the radio analysis
On 2019-01-05 11:13:09 in Generally electronic component
This article describes the principle of the radio analysis ...
Method of measuring common resistance and high resistance by digital multimeter.
On 2019-07-01 18:12:58 in Resistors
This article describes the method of measuring common resistance and high resistance by digital multimeter. ...
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. ...
What is the working principle of intelligent colored lights controller?
On 2019-01-28 15:21:12 in Technology
This article writes about the working principle of intelligent colored lights controller ...
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 ...
What is the working principle of water tank water level automatic controller ?
On 2019-01-23 17:14:25 in Knownlege
This article writes about the working principle of water tank water level automatic controller ...
How to measure the color LED dot matrix display?
On 2018-10-29 15:33:54 in Memory
The color LED dot matrix display is the same as monochrome.You can use short columns or rows of methods to detect,just a little cumbersome operation ...
How to measure if the start-up circuit motherboard is short-circuited.
On 2019-06-14 16:05:01 in Technology
This article describes the method of measure if the start-up circuit motherboard is short-circuited. ...
What is the Inductor?
On 2019-02-13 11:43:40 in Inductor
This article briefly introduces the Inductor. ...
How to identify and detect bidirectional thyristors?
On 2018-12-18 15:02:24 in Generally electronic semiconductor
This article introduces some ways to identify and detect bidirectional thyristors ...
Detailed explanation of the rectification circuit of the DC regulated power supply
On 2023-03-08 13:38:07 in IC Chips
Rectifier circuit is an integral part of DC-to-DC converters, which uses diodes to convert the incoming AC signal into a single and consistent DC signal. The transformer adjusts the AC signal before it is filtered, and the error amplifier monitors the out ...
How to design a LED lighting solution based on a high power?
On 2021-09-09 10:44:49 in Generally electronic semiconductor
This article describes the characteristics of the LED lighting. ...
If there is no same type of pipe in use, how to replace it?
On 2018-10-26 15:50:14 in Relays
Diodes are generally not good repair, damage can only be replaced. In selecting diodes, we should pay attention to the following principles. ...
Four wave soldering daily maintenance and maintenance knowledge
On 2018-10-30 11:01:43 in Relays
Four wave soldering daily maintenance and maintenance knowledge 1 regularly check the heating pipe voltage is normal,too high voltage will damage the heating pipe. ...
What are the solutions to the problems associated with high-voltage test transformers?
On 2021-05-07 10:51:33 in Transformer
This article describes the characteristics of the transformers. ...
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. ...
How to test and repair the rectifier bridge?
On 2018-12-17 14:45:30 in Generally electronic semiconductor
This article introduces some ways to test and repair the rectifier bridge ...
what is a solid state relay (SSR)?
On 2018-12-25 13:11:35 in Relays
This article writes about the solid state relay (SSR) ...
What are the applications of door magnetic sensors in access control systems?
On 2021-01-23 11:02:53 in Sensor
This article introduces the application of door magnetic sensors in access control systems. ...
What are the design challenges and effective solutions for high-voltage battery packs?
On 2021-07-28 10:45:01 in Photoelectric
This article describes the characteristics of the battery. ...
The main parameters of LED
On 2018-10-31 11:11:54 in Memory
The main parameters of LED include the maximum working current Im and the maximum reverse voltage Um ...
how to detect a varactor?
On 2018-10-26 17:08:18 in Memory
Because the positive resistance of the varactor diode is larger,the multimeter is placed in the RX 10k2 block,the red form is connected to the positive pole ...
Combinational Logic Circuit Analysis
On 2023-03-17 14:11:18 in IC Chips
IC chips are electronic components composed of transistors, diodes and logic gates used in electronic systems for various operations. ...
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. ...
Maximize Power Density with LLC Transformer Drive
On 2023-03-09 13:36:42 in Transformer
LLC transformer has the potential to increase power density, leading to increased efficiency, cost savings and improved performance. ...
How to measure capacitance capacity?
On 2019-11-09 10:29:13 in Capacitors
This article describes the characteristics of capacitance. ...
How to detect a one-way thyristor?
On 2018-10-29 14:00:36 in Generally electronic semiconductor
Determination of appearance recognition of each electrode Common unidirectional thyristor electrodes are arranged as shown in Figure. ...
What is a BTG thyristor?
On 2018-10-29 15:06:32 in Generally electronic semiconductor
The BTG thyristor is a special semiconductor device.The utility model can be used as a thyristor and can be used as a single junction transistor ( double base diode ) ...
LED digital tube.
On 2021-03-03 10:32:13 in Generally electronic component
This article describes the role of LED digital tube. ...