Pin identification and detection method of LED digital tube
On 2019-01-05 12:09:49 in Photoelectric
This article describes the pin identification and detection method for LED digital tube ...
How to measure the LED digital tube?
On 2018-10-29 15:14:20 in Photoelectric
The appearance discrimination of digital tube usually has 10 pins,usually divided into two rows. ...
What is the principle of the scanning method of the led display?
On 2021-10-25 10:50:28 in Photoelectric
This article describes the characteristics of the led display. ...
LCD liquid crystal display principle and RGB principle
On 2019-07-12 11:58:55 in Photoelectric
This article writes about the LCD liquid crystal display principle and RGB principle ...
What are the problems when LED display does not display or display incomplete?
On 2019-07-16 11:06:51 in Photoelectric
This article describes the LED display does not display or display incomplete fault causes and troubleshooting methods ...
What is the relationship between the charging head and the fast charging function of the mobile phone?
On 2021-07-30 14:55:46 in Photoelectric
This article describes the characteristics of the control. ...
OLED development
On 2019-07-13 13:32:12 in Photoelectric
This article describes OLED development ...
The entire screen of the LED display shows abnormal faults and emergency solutions
On 2019-07-10 13:54:26 in Photoelectric
This article describes the entire screen of the LED display shows abnormal faults and emergency solutions ...
What is an optical coupler and how to measure it?
On 2018-12-15 14:23:34 in Photoelectric
This article introduces what is an optical coupler and how to measure it ...
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 a multidigit LED digital tube?
On 2018-10-29 15:17:58 in Photoelectric
A number of LED digital tube is developed on the basis of an LED digital tube.The number of digital characters will be packaged together to become a number of digital control ...
How to design a high-efficiency LED driver circuit?
On 2021-11-13 10:52:16 in Photoelectric
This article describes the characteristics of the LED driver. ...
What is a LED emission tube and how to detect it?
On 2018-12-21 14:28:11 in Photoelectric
This article briefly introduces what is a LED emission tube and how to detect it ...
How to detect and repair ?
On 2018-12-20 13:52:32 in Photoelectric
This article describes how to detect and repair LEDs ...
How to clean the TFT LCD screen?
On 2021-12-16 10:43:52 in Photoelectric
This article describes the characteristics of the TFT LCD screen. ...
What is an LED digital tube?
On 2018-10-29 15:10:23 in Photoelectric
A commonly used LED digital tube is composed of seven light-emitting tubes,which is composed of eight figures,with a decimal point inside the eight-section digital tube, Figure is shown as the digital tube shape and internal Structure Chart ...
Photosensitive resistor and photosensitive transistor
On 2018-12-29 15:34:08 in Photoelectric
This article describes the photosensitive resistor and photosensitive transistor ...
what is a discoloration light emitting diode?
On 2018-12-27 13:33:07 in Photoelectric
This article describes the discoloration light emitting diodes ...
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 ...
What are the main parameters and types of LEDs and how to detect LED?
On 2018-12-14 13:55:28 in Photoelectric
This article writes about the the main parameters and types of LEDs and how to detect LED ...