LTD-2701B

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LTD-2701B is a kind of LED character and numeric display module which belongs to popular NVISION Display Modules range. It is suitable for any occasions that require quality, high brightness display performance and is especially fit for those applications of vacuum fluorescent display replacement. It can display two lines with 21 characters, and each LED segment comes with has high-contrast and wide-angle visibility. Besides, the LED segment is made of high efficiency LED and can be seen clearly even in direct sunlight.

Application Field

LTD-2701B is suitable for any occasions that require high brightness and long life performance, such as:-
Industrial display: used in industrial machinery and equipment, such as CNC machine controlling instrument and various data acquisition systems, etc. Field operation display; Station platform audio-visual display: air ticket machine, bus ticket machines and other traffic data display; Public information display: elevator floors, bank counter logos, medical machines, and other public information displays; Commercial systems: POS terminals, cash registers, and other commercial information displays.

Working Principle

LTD-2701B uses two lines of character and numeric display and each line can display up to 21 characters. The display method is to connect the red, green and blue LED to form a dot matrix display. Each segment can be lit up and display decimal, positive and negative numbers, letters, Chinese characters and symbols. Automatic display function can be used in serial port connected and the instruction can be controlled directly.

In terms of driving and power supply, LTD-2701B directly drive 16 LEDs at the same time and use chip sets as the power source, so no dedicated driver circuit is needed. Meanwhile, fast parallel port data transmission is available, which is beneficial to simplifiy control process and reduce system cost.

Conclusion

LTD-2701B belongs to popular NVISION Display Modules range, and is suitable for any occasions that requires quality, long life LED display performance. It is especially good for those applications of vacuum fluorescent display replacements, which is designed with high brightness LED segment, high-contrast and wide-angle visibility, and fast parallel port data transmission. Additionally, it can be driven directly and circuited with chip sets to not only avoid complicated wiring and reduce system cost but also make it easy for users to control.

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