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 ...
Max Born Institute in Berlin: Ultra-short current surges through rectified light
On 2019-05-11 13:47:17 in Knownlege
This article introduces the Ultra-short current surges through rectified light ...
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 ...
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 Nitride system?
On 2019-01-12 16:06:47 in Knownlege
This article describes the Nitride system ...
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 silicate system?
On 2019-01-15 11:07:23 in Knownlege
This article briefly introduces the silicate system ...
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 excitation spectra?
On 2019-01-11 13:21:32 in Knownlege
This article briefly introduces the principle of excitation spectra ...
Main cell phone sensor
On 2018-12-06 10:44:40 in Knownlege
This article describes the role of different mobile phone sensors. ...
What are the types and role of solder resist?
On 2019-01-28 13:43:17 in Knownlege
This article describes the types and role of solder resist. ...
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. ...
Photoelectric effect
On 2018-12-06 10:21:02 in Knownlege
This article briefly introduces the photoelectric effect ...
What is the definition and classification of luminescence?
On 2019-01-15 15:05:43 in Knownlege
This article describes the definition and classification of luminescence. ...
What is the Titanate system?
On 2019-01-14 17:51:29 in Knownlege
This article writes about the Titanate system. ...
What is the Digital / analog multimeter?
On 2019-02-18 16:56:55 in Knownlege
This article describes two common digital / analog multimeter. ...
The principle and comparison of several level gauges for different price grades.
On 2019-06-06 15:01:16 in Knownlege
The principle and comparison of several level gauges for different price grades. ...
The computer heat sink
On 2018-12-10 13:18:45 in Knownlege
This article describes the features of computer heat sink ...
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 ...
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 is tungsten-molybdate system?
On 2019-01-14 16:51:56 in Knownlege
This article describes the tungsten-molybdate system ...
What is a universal bridge?
On 2019-01-05 10:24:47 in Knownlege
This article introduces the universal bridge. ...
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. ...
What is a four-way solenoid directional valve?
On 2019-01-05 13:53:56 in Knownlege
This article describes the role of the four-way solenoid directional valve ...
Insulation resistance
On 2018-12-11 14:12:15 in Knownlege
This article briefly introduces insulation resistance ...
Universal Panel Meter is configurable for measurement, display or control
On 2018-12-18 13:16:25 in Knownlege
This article writes about universal panel meter is configurable for measurement, display or control ...
The principle, advantages and disadvantages of several liquid level gauges
On 2019-07-03 10:58:24 in Knownlege
This article describes the principle, advantages and disadvantages of several liquid level gauges ...
Three different level gauge principles and features
On 2019-06-12 14:48:45 in Knownlege
This article briefly introduces the principles and features of three different level gauge ...
How to drawing of printed circuit boards?
On 2019-01-12 16:22:12 in Knownlege
This article briefly introduces how to drawing of printed circuit boards. ...
How to use the clamp ammeter?
On 2018-12-29 14:18:45 in Knownlege
This article briefly introduces the use of clamp ammeter ...
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 ...
Decoupling capacitance design
On 2018-12-06 11:51:04 in Knownlege
This article briefly introduces the decoupling capacitance design ...
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 . ...
How to select external connection mode of printed Circuit Board?
On 2019-01-15 11:19:29 in Knownlege
This article describes the selection of external connection mode of printed Circuit Board ...
What is the principle of photoelectric conversion devices?
On 2018-12-08 10:40:53 in Knownlege
This article describes the principle of photoelectric conversion devices ...
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 ...
What is the spectral properties?
On 2019-01-15 12:09:58 in Knownlege
This article describes the spectral properties. ...
Benefits of home automation！
On 2018-12-21 11:50:08 in Knownlege
This article introduces the Benefits of home automation ...
What is the difference between a two-stage switch and a single-stage switch?
On 2018-12-10 13:28:38 in Knownlege
This article writes about the difference between a two-stage switch and a single-stage switch ...