MAN3920A

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The MAN3920A is a series of LED character and numeric display modules manufactured by the Street Lighting Company. It is available in two different packages, a 10-pin and a 14-pin, and is capable of displaying 20 x 8 characters. This display module uses surface-mount LEDs, making it simple to install and easy to read.

The MAN3920A is ideally suited for applications where display clarity and reliability are essential. The display has an excellent viewing angle and can be configured with different fonts, sizes and depths. Additionally, the module can be adjusted for displaying different languages and symbols.

When used in conjunction with a microcontroller, the MAN3920A offers a wide range of applications such as industrial process monitoring, data acquisition and control, access control, and more. Additionally, it can be used as a stand-alone display in combination with peripheral components.

Working Principle

The MAN3920A’s working principle is straightforward. When a certain level of electrical current is sent through any of the display’s pins, an LED will light up, producing a visible output. The current level can be precisely controlled in order to change the brightness of the LED, allowing the user to customize the display.

The module includes a microcontroller, which is responsible for processing the incoming data and transforming it into the desired combination of voltages and current levels. The module can also be connected to a PC in order to be programmed.

Applications

The MAN3920A is widely used in a variety of applications, ranging from industrial process monitoring to access control. In industrial settings, it can be connected to sensors, such as temperature, humidity, pressure and flow, to provide feedback on the machine’s operation. Its high brightness and wide viewing angle make it ideal for these types of applications.

The MAN3920A is also ideal for access control applications. Its connections can be used to integrate it with access control systems, allowing users to monitor and control access to specific areas or facilities. Additionally, its easy to read output allows users to quickly identify and address security breaches.

The MAN3920A is also suitable for educational and hobbyist projects, allowing users to create their own custom projects such as simple robots, timers, and more.

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