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 ...
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 ...
Function of digital multimeter diode block.
On 2019-04-13 14:33:53 in Knownlege
This article briefly introduces the function of digital multimeter diode block. ...
Diode rectifier filter circuit
On 2018-12-13 15:23:19 in Knownlege
This article briefly introduces diode rectifier filter circuit ...
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 ...
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 ...
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. ...
How to detect a diode with using a digital multimeter?
On 2019-02-15 14:09:05 in Knownlege
This article briefly introduces how to detect a diode with using a digital multimeter ...
What is the Digital / analog multimeter?
On 2019-02-18 16:56:55 in Knownlege
This article describes two common digital / analog multimeter. ...
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 ...
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 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 spectral properties?
On 2019-01-15 12:09:58 in Knownlege
This article describes the spectral properties. ...
What is the working principle of the infrared sensor?
On 2018-12-08 11:18:25 in Knownlege
This article describes the working principle of the infrared sensor . ...
Relationship between luminescent Properties of laino3 xsm Phosphors and concentration of SM
On 2019-01-14 10:56:40 in Knownlege
This article describes the relationship between luminescent Properties of laino3 xsm Phosphors and concentration of SM ...
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. ...
What is the Titanate system?
On 2019-01-14 17:51:29 in Knownlege
This article writes about the Titanate system. ...
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 ...
When using resistance and line on-off test mode of the automotive digital multimeter.
On 2019-04-22 14:33:41 in Knownlege
This article write about when using resistance and line on-off test mode of the automotive digital multimeter.The correct method of choosing gear and connecting detection line is adopted. ...
What is a triode and how to identify its pin?
On 2019-01-21 16:50:52 in Knownlege
This article describes what is a triode and how to identify its pin ...
What are the interfaces on motherboards?
On 2019-02-13 13:09:43 in Knownlege
This article describes the interfaces on motherboards ...
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 are the methods for detecting transistors of a multimeter?
On 2019-02-22 13:55:39 in Knownlege
This article describes some methods for detecting transistors of a multimeter ...
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 ...
Thermal management in displays is not just heating components
On 2019-05-10 13:56:42 in Knownlege
This article writes about the thermal management in displays. ...
What is excitation spectra?
On 2019-01-11 13:21:32 in Knownlege
This article briefly introduces the principle of excitation spectra ...
What is the mechanism of pr3+ activation?
On 2019-01-11 11:53:16 in Knownlege
This article describes the mechanism of pr3+ activation. ...
How to reduce errors in detecting AC voltages with using a pointer multimeter?
On 2019-02-12 17:11:15 in Knownlege
This article briefly introduces the methods for reducing errors in detecting AC voltages. ...
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 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 ...
Main cell phone sensor
On 2018-12-06 10:44:40 in Knownlege
This article describes the role of different mobile phone sensors. ...
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 ...
Thermal quenching Analysis of In2(MoO4)3:Eu3
On 2019-01-14 13:49:58 in Knownlege
This article briefly introduces the thermal quenching Analysis of In2(MoO4)3:Eu3 ...
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 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 ...
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. ...