What are the characteristics of LED waterproof power supply?
On 2021-11-05 10:38:37 in Photoelectric
How to design the power module of LED display?
On 2021-11-26 11:21:29 in Photoelectric
The LED display does not work, and the cause of the fault is determined and eliminated according to the flashing green light of the sending card.
On 2019-06-13 16:14:11 in Generally electronic semiconductor
The LED display does not work, and the cause of the fault is determined and eliminated according to the flashing green light of the sending card. ...
What is excitation spectra?
On 2019-01-11 13:21:32 in Knownlege
What is tungsten-molybdate system?
On 2019-01-14 16:51:56 in Knownlege
What is the Nitride system?
On 2019-01-12 16:06:47 in Knownlege
What are the luminescent Properties of LaInO3:Eu Phosphors?
On 2019-01-12 11:15:53 in Knownlege
What is the mechanism of pr3+ activation?
On 2019-01-11 11:53:16 in Knownlege
What are the application challenges of LCD monitors?
On 2019-07-13 13:42:09 in Photoelectric
Light-emitting diode
On 2018-12-18 16:00:26 in Photoelectric
What is the difference between different panels?
On 2021-10-22 11:13:25 in Generally electronic component
What is the difference between a triode and a MOS transistor on an analog circuit?
On 2019-12-02 10:36:58 in Generally electronic semiconductor
The identification of model and pin
On 2018-11-01 16:51:26 in Relays
Because the number of LED digital tube is not unified,it can be said that there are no rules to follow ...
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
With the introduction of new technologies such as Wi-Fi 6, will future network technologies become more complete?
On 2023-06-13 11:43:56 in IC Chips
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 is the spectral properties?
On 2019-01-15 12:09:58 in Knownlege
What are the requirements for NDIR carbon dioxide sensor used in incubator?
On 2023-08-16 18:00:15 in Sensor
What types of monitors are divided into display technologies?
On 2021-11-27 10:41:03 in Photoelectric
What are the selection and charging procedures of lithium battery chargers?
On 2021-06-23 10:49:08 in Generally electronic semiconductor
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 are the advantages of OLED?
On 2021-11-04 10:44:37 in Photoelectric
Will the new 6GHz Wi-Fi technology boost the global economy?
On 2023-06-15 16:55:48 in IC Chips
Analysis of the working principle of anti-interference filter?
On 2020-10-23 10:46:29 in Generally electronic semiconductor
Analysis of the working principle of anti-interference filter?
On 2020-10-19 10:30:35 in Photoelectric
What are the advantages and disadvantages of OLED?
On 2021-11-08 11:02:28 in Photoelectric
How to test the electromagnetic compatibility of the excitation switching power supply circuit?
On 2019-12-05 10:32:19 in IC Chips
What is the detection principle of the optical fiber sensor?
On 2021-02-27 10:46:10 in Sensor
What is the working principle of fiber Bragg grating sensor?
On 2021-06-04 10:37:04 in Sensor
How does an infrared proximity sensor work?
On 2020-11-18 11:26:50 in Sensor
what is a super bright light emitting diode?
On 2018-10-26 16:22:18 in Generally electronic semiconductor
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 ...
How to test and repair the rectifier bridge?
On 2018-10-26 15:52:31 in IC Chips
Distinguish polarity to place the multimeter in RX1kQ block,and the black stylus arbitrarily connect a pin of the whole bridge component,and measure the other three pins with the red stylus,if the measured resistance is infinite ...
What is the logic gate circuit of digital electronic technology?
On 2019-09-18 09:51:05 in Generally electronic component
How to test and repair the rectifier bridge?
On 2018-12-17 14:45:30 in Generally electronic semiconductor
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
How to distinguish common diodes?
On 2019-01-19 16:38:32 in Generally electronic semiconductor
What is the EMC filter rectification six-step method?
On 2019-12-04 10:46:17 in IC Chips
