Discrimination on the pseudo-concept of "reverse earth resistor value and modification of multimeter pens
On 2019-04-16 11:29:12 in Knownlege
This article briefly introduces the discrimination on the pseudo-concept of "reverse earth resistor value” and modification of multimeter pens ...
Resistor classification
On 2018-12-04 11:51:37 in Knownlege
This article describes the classification of resistors ...
Resistor classification
On 2018-12-13 13:30:42 in Knownlege
This article writes about the different kinds of resistor ...
What is a resistor?
On 2018-12-14 13:26:07 in Knownlege
This article describes what is a resistor ...
How to select and maintain fixed resistors?
On 2018-12-14 14:25:13 in Knownlege
This article describes how to select and maintain fixed resistors ...
The difference between diode and resistor
On 2018-12-08 11:39:22 in Knownlege
This article writes about the different roles of diode and resistor ...
How to judge whether there is a fault element according to the value of earth resistance？
On 2019-04-03 14:22:13 in Knownlege
This article describes the how to judge whether there is a fault element according to the value of earth resistor. ...
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 ...
Is the LED display a liquid crystal display?
On 2018-12-04 11:19:23 in Knownlege
This article briefly introduces the display liquid crystal display ...
Computer motherboard resistance, capacitance
On 2018-12-08 11:11:23 in Knownlege
This article writes about the different roles of capacitors and resistors ...
How to detect the value of HEF with a multimeter?
On 2019-02-26 17:58:23 in Knownlege
This article briefly introduces the method of detecting HFE ...
What factors are related to the resistance of the resistor
On 2018-12-06 10:35:16 in Knownlege
This article briefly introduces main factors related to the resistance of the resistor ...
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 ...
Rated power rating and detection method of fixed resistance
On 2018-12-13 14:58:39 in Knownlege
This article briefly introduces rated power rating and detection method of fixed resistance ...
What is the silicate system?
On 2019-01-15 11:07:23 in Knownlege
This article briefly introduces the silicate system ...
What is tungsten-molybdate system?
On 2019-01-14 16:51:56 in Knownlege
This article describes the tungsten-molybdate system ...
What are the methods for detecting DC resistance with using multimeter?
On 2019-02-18 16:59:48 in Knownlege
This article describes some methods for detecting DC resistance with using multimeter ...
The Development Trends of Electronic Components Industry
On 2018-12-18 13:32:59 in Knownlege
This article describes the development trends of electronic components industry ...
What are the methods of reducing the measurement error of the pointer multimeter?
On 2019-02-13 13:21:56 in Knownlege
This article introduces some methods of reducing the measurement error of the pointer multimeter ...
Main cell phone sensor
On 2018-12-06 10:44:40 in Knownlege
This article describes the role of different mobile phone sensors. ...
The difference between resistance and impedance
On 2018-12-04 11:32:41 in Knownlege
This article describes the difference between resistance and impedance ...
Multi-turn potentiometer and single-turn potentiometer
On 2018-12-10 11:01:32 in Knownlege
This article briefly introduces multi-turn potentiometer and single-turn potentiometer ...
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 ...
Simple function generator circuit
On 2018-12-27 11:22:15 in Knownlege
This article describes the Simple function generator circuit ...
The main role of the potentiometer?
On 2018-12-11 13:20:38 in Knownlege
This article describes the main role of the potentiometer ...
Digital multimeter structure and use
On 2019-01-25 17:58:18 in Knownlege
This article describes the digital multimeter structure and use ...
Electrooptic devices are just the opposite
On 2018-10-31 11:01:18 in Knownlege
The history of photoelectric technology is actually earlier than that of electronic technology.In early twentieth Century, Einstein won the Nobel prize with the discovery of photoelectric effect ...
What is the working principle of the bias circuit in the triode amplifier circuit?
On 2019-10-17 10:02:01 in Knownlege
This article describes the characteristics of the triode amplifier. ...
LEDVANCE announces that it will close a factory in the US
On 2019-05-15 13:21:34 in Knownlege
This article describes that LEDVANCE will close a factory in the US ...
What is the Nitride system?
On 2019-01-12 16:06:47 in Knownlege
This article describes the Nitride system ...
How to use a universal bridge?
On 2019-01-05 11:33:24 in Knownlege
This article describes how to use a universal bridge ...
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. ...
What are the luminescent Properties of LaInO3:Eu Phosphors?
On 2019-01-12 11:15:53 in Knownlege
This article describes the Luminescent Properties of LaInO3:Eu Phosphors ...
What is the mechanism of pr3+ activation?
On 2019-01-11 11:53:16 in Knownlege
This article describes the mechanism of pr3+ activation. ...
What is the basic principle of phosphor luminescence?
On 2019-01-11 11:26:04 in Knownlege
This article describes the basic principle of phosphor luminescence. ...
Maintenance method for memory power supply failure.
On 2019-04-24 11:52:22 in Knownlege
This article writes about the Maintenance method for memory power supply failure. ...
Memory VTT power supply circuit analysis.
On 2019-04-29 10:52:17 in Knownlege
This article describes the Memory VTT power supply circuit analysis. ...
What are the application of transistor?
On 2019-03-01 11:30:25 in Knownlege
This article writes about the transistor application. ...
How much do you know about RS-422 and RS-485?
On 2022-03-08 10:43:00 in Knownlege
This article describes the characteristics of the RS-422 and RS-485. ...