The problem of CPLD driving MAX7219
On 2023-03-15 13:45:13 in IC Chips
CPLD is used to drive MAX7219 IC, making it possible to control up to 64 individual LEDs with minimal control pins from a controller. It is simpler to program and has higher speed than microcontrollers. ...
what is a discoloration light emitting diode?
On 2018-12-27 13:33:07 in Photoelectric
This article describes the discoloration light emitting diodes ...
Five.Optocoupler
On 2018-10-31 11:35:12 in Generally electronic semiconductor
Optocoupler is an electrical and photoelectric converter composed of LED and photosensitive transistors ...
What are the requirements for NDIR carbon dioxide sensor used in incubator?
On 2023-08-16 18:00:15 in Sensor
This article describes the characteristics of the NDIR carbon dioxide sensor. ...
Structure and characteristics
On 2018-11-01 16:47:41 in Memory
LED digital tube also known as semiconductor digital tube ( Figure 1-1-5 ),it is a number of light-emitting diodes arranged in a fixed pattern and packaged together the most commonly used digital display one of the devices ...
What is the difference between different panels?
On 2021-10-22 11:13:25 in Generally electronic component
This article describes the characteristics of the panels. ...
What is the detection principle of the optical fiber sensor?
On 2021-02-27 10:46:10 in Sensor
This article introduces the detection principle of optical fiber sensors. ...
How does an infrared proximity sensor work?
On 2020-11-18 11:26:50 in Sensor
This article describes the characteristics of the sensor. ...
what is a super bright light emitting diode?
On 2018-10-26 16:22:18 in Generally electronic semiconductor
The common L.ED luminescence intensity has developed from several mned to dozens of med. ...
what are the characteristics of a light emitting diode?
On 2018-10-26 16:17:19 in IC Chips
Light emitting diodes have the same conductivity as ordinary diodes.When positive currents pass through PN junctions ...
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 priciple of the digital tube?
On 2019-01-22 16:49:17 in Photoelectric
This article describes the basic principles of the digital tube ...
How to distinguish common diodes?
On 2019-01-19 16:38:32 in Generally electronic semiconductor
This article explores how to distinguish common diodes ...
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 ...
What types of monitors are divided into display technologies?
On 2021-11-27 10:41:03 in Photoelectric
This article describes the characteristics of the display technologies. ...
What are the advantages of OLED?
On 2021-11-04 10:44:37 in Photoelectric
This article describes the characteristics of the L OLED. ...
Spectral Analysis of Eu and Bi
On 2019-01-14 17:35:33 in Photoelectric
This article describes the spectral Analysis of Eu and Bi ...
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 are the application challenges of LCD monitors?
On 2019-07-13 13:42:09 in Photoelectric
This article introduces some application challenges of LCD monitors ...
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. ...
How to make an electronic energy saving lamp?
On 2019-01-19 16:55:13 in Technology
This article describes to make an electronic energy saving lamp ...
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 an infrared light emitting diode and how to detect it?
On 2018-12-28 16:43:35 in Generally electronic semiconductor
This article briefly introduces the infrared light emitting diode and the method to detect it. ...
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 ...
How to measure the optocoupler?
On 2018-10-27 10:43:42 in Photoelectric
Because the way of the optical coupler is not the same,so the test should be based on different structures for measurement and judgment. ...
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. ...
Photoelectric display device
On 2018-12-01 10:48:03 in Photoelectric
This article describes some categories of optoelectronic display devices. ...
What is the step-down working principle of capacitor?
On 2019-01-19 16:30:32 in Capacitors
This article writes about the step-down working principle of capacitor. ...
What are the selection and charging procedures of lithium battery chargers?
On 2021-06-23 10:49:08 in Generally electronic semiconductor
This article describes the characteristics of the lithium battery chargers. ...
What is a display unit?
On 2019-01-11 14:38:25 in Photoelectric
This article briefly introduces the display unit ...
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. ...
In order to achieve satisfactory TV results, how to select and use DLP splicing screens?
On 2020-09-02 10:22:03 in Generally electronic component
This article describes the characteristics of DLP splicing screens. ...
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 ...
Photoelectric effect
On 2018-12-06 10:21:02 in Knownlege
This article briefly introduces the photoelectric effect ...