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 ...
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. ...
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 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. ...
Common electric iron type and structure
On 2019-01-27 14:56:05 in Knownlege
This article describes the common electric iron type and structure ...
What is the working principle of ISL6545 chip?
On 2019-04-25 10:59:37 in Knownlege
This article analyze the working principle of ISL6545 chip ...
How to design analog switches to switch audio signals?
On 2021-03-25 10:43:32 in Knownlege
This article describes the characteristics of the switch audio signals. ...
What are the working principles of AM radio?
On 2019-01-11 11:08:24 in Knownlege
This article writes about the working principles of AM radio. ...
Further Promotes the Growth of the Smart Cable Protection System
On 2018-12-29 11:53:50 in Knownlege
This article describes the further promotes the growth of the smart cable protection system ...
What is the magnetron of the microwave oven and how does it works?
On 2018-12-20 15:01:50 in Knownlege
This article introduces the functional characteristics, working principles of the continuous wave force air-cooled magnetron used in the microwave oven. ...
What is a resistor?
On 2018-12-14 13:26:07 in Knownlege
This article describes what is a resistor ...
Resistor classification
On 2018-12-13 13:30:42 in Knownlege
This article writes about the different kinds of resistor ...
What is the Digital / analog multimeter?
On 2019-02-18 16:56:55 in Knownlege
This article describes two common digital / analog multimeter. ...
Light control automatic energy saving LED light circuit
On 2019-01-23 17:42:10 in Knownlege
This article writes about the light control automatic energy saving LED light circuit ...
What is the work principle of inductive electronic welcome device?
On 2019-01-23 17:05:22 in Knownlege
This article writes about the work principle of inductive electronic welcome device ...
Digital multimeter structure and use
On 2019-01-25 17:58:18 in Knownlege
This article describes the digital multimeter structure and use ...
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 ...
What are the difference of use of digital multimeter and pointer multimeter.?
On 2019-02-20 11:00:08 in Knownlege
This article describes the comparison of the use of digital multimeter and pointer multimeter. ...
Filter circuit
On 2019-01-04 13:28:12 in Knownlege
This article briefly introduces the filter circuit. ...
What is the role of the transformer?
On 2018-12-05 10:13:54 in Knownlege
This article describes the role of the transformer ...
How to explain the working principle of buffer network?
On 2021-12-24 10:56:44 in Knownlege
This article describes the characteristics of the capacitor. ...
The computer heat sink
On 2018-12-10 13:18:45 in Knownlege
This article describes the features of computer heat sink ...
How to choose an air switch
On 2018-12-06 13:34:28 in Knownlege
This article briefly introduces how to choose an air switch ...
Do you know how to design electromagnetic compatibility?
On 2019-08-23 15:57:39 in Knownlege
This article describes the characteristics of the electromagnetic compatibility. ...
Oscilloscope basical principle
On 2019-04-09 11:33:42 in Knownlege
This article describes the oscilloscope basical principle ...
What are the characteristics and shape and measuring range of digital multimeter?
On 2019-02-15 13:59:23 in Knownlege
This article briefly introduces the characteristics and shape and measuring range of digital multimeter ...
Insulation resistance
On 2018-12-11 14:12:15 in Knownlege
This article briefly introduces insulation resistance ...
Robust Demand for Memory Chips
On 2018-12-26 10:30:31 in Knownlege
This article describes the Robust Demand for Memory Chips ...
What is a three-terminal integrated voltage regulator and how to classify?
On 2018-12-14 15:01:07 in Knownlege
This article describes the role of three-terminal integrated voltage regulator and how to classify ...
Self-resetting switch and self-locking switch
On 2018-12-10 13:40:04 in Knownlege
This article writes about the different roles of self-resetting switch and self-locking switch ...
Laptop cooler
On 2018-12-05 12:07:56 in Knownlege
This article briefly introduces the laptop cooler ...
What is the future of 5G and Wifi6?
On 2022-05-09 11:03:36 in Knownlege
This article describes the characteristics of the 5G and Wifi6. ...
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 ...
What is a universal bridge?
On 2019-01-05 10:24:47 in Knownlege
This article introduces the universal bridge. ...
What is a field-effect transistor?
On 2018-12-13 14:34:17 in Knownlege
This article writes about the field-effect transistor ...
How to make a wireless music doorbell?
On 2019-04-20 13:27:35 in Knownlege
This article describes the production of wireless music doorbell ...
What are the functions of the universal bridge instrument knobs and switches?
On 2019-01-27 14:53:54 in Knownlege
This article describes the functions of the universal bridge instrument knobs and switches . ...
The difference of tube and transistor.
On 2018-12-04 10:44:04 in Knownlege
This article describes the difference of tube and transistor ...
What parts are the small DC motors made up of and how its steady speed?
On 2019-01-02 17:44:05 in Knownlege
This article describes the Parts of small DC motors and its steady speed ...