Ham radio enthusiasts from throughout the region were at the Polk County Fairgrounds on Saturday, drawn by the lure of the semi-annual swap meet.
For some, ham radio is a hobby. Ha...
Do police have portable fingerprint scanners?
Yes, portable fingerprint scanners are used by law enforcement agencies in many countries. These devices allow the police to quickly capture and an...
LED Display, we could simply recognize it as a big size monitor, which is always widely used for commercial applications. It also be named as led screen, led video wall, led display panel, led display...
LED display screens are classified into different categories based on various criteria. Initially, there were several classification methods, which included:1. Installation Scene: Indoor LED display s...
Indoor LCD Digital Signage and Outdoor LCD Digital Signage have several key differences:
Environmental Resistance: Outdoor LCD digital signage is designed to withstand harsh weather condition...
LCD and LED Basics
Liquid crystal displays have been a cornerstone in the world of visual displays for decades. The principle behind LCD technology involves liquid crystals sandwiched between two tran...
Digital signage refers to LED, LCD, or OLED screens that showcase dynamic material, including text, graphics, video, interactive media, and live-streaming content via software that facilitates it all....
LED displays promise to change the way movie and television productions are created, but the effects are only as good as the video walls on which they’re shown. Those displays are constan...
View Distance
The image perception is influenced by the distance between the viewer and the LED screen. The ideal viewing distance is 1x ~1.5x the pixel pitch in meters. So in a 12 mm pixel pitch scre...
Force sensors are commonly used sensors that are widely used in various industrial automation fields. The main function of force transducer is used to measure the magnitude of the force applied to an...