LDM-07257NI

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LED Dot Matrix and Cluster modules have been widely used in display applications for a long time. The LDM-07257NI is such a module, specifically designed for outdoor use in applications such as retail and advertising signs, screens and POS displays.

The LDM-07257NI has a bright yellow/green display, and features a rugged construction, so it can be used in applications where normal LED matrix modules would not be suitable. The display has a full colour image, with high accuracy and a wide viewing angle.

The module has a three layer structure, consisting of the base PCB, the LED matrix module and the window mask. The base PCB is made out of FR4 material and has multiple layers, to provide electrical connections between the LEDs and the driver circuitry. The LED matrix itself consists of a 4x5 array of yellow/green LED\'s, each of which can be controlled independently. The LED driver uses PWM (pulse width modulation) to control the brightness of each LED.

The window mask is made out of a PET polymer, which provides protection against dirt, dust and other environmental elements. It also prevents visual fading or colour distortion in extreme temperatures and prevents the backlight of the module from being seen from the outside.

The module\'s working principle is straightforward. The LED driver circuitry is connected to the LEDs in the LED matrix. The LED driver controls the LED\'s brightness by adjusting the PWM. It also controls the LED\'s colour by simultaneously sending control signal to each of the LED\'s in the array. When the signal sent to each LED is different, it produces a different colour on the display. The majority of the module\'s operation is handled by the LED driver, leaving the end user with minimal requirements for wiring and setup.

The LDM-07257NI is suitable for outdoor applications where the display needs to be clearly visible in daylight, or where the ambient conditions are more extreme. It uses minimal power, so is suitable for getting the most performance out of battery powered systems. The display has a long lasting lifespan and is left unblemished by environmental elements.

The LDM-07257NI is a great choice for any application that needs to have a reliable and high quality display. With its rugged construction and long lasting components, it is sure to be a great addition to any outdoor display system.

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