HDSP-561E

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HDSP-561E is an LED character and numeric display module designed by Agilent Technologies Inc., which is widely used in digital display, dashboard, laboratory equipment and test stand applications. It provides the reliability and convenience of digital display. The module can be operated with 7 segments with 1 command line using 5V (or 12V) power, TTL or CMOS logic system, and featuring wide viewing angles with a total power consumption as low as 2.25 watts.

The HDSP-561E module is made up of two parts, the LED display and the control board. The LED display consists of 4 digits, each made up of 7 segments with one decimal point LED for each digit. The LED control board includes the logic circuitry, I/O ports, drive transistors, current limiting resistors and power supply section. There is no need for any additional external components. The HDSP-561E can be operated with a digital data (TTL or CMOS) logic interface and several operating modes are available, including individual data lines and multiplexed data line.

In order to achieve a high contrast of the display panel and good readability, the common anode configuration is adopted in the HDSP-561E technology. With this, the entire row of LEDs (7 segments) is connected in the common anode and the pixels of the LED display are ON when the corresponding gate transistors are ON. The module features wide viewing angles, plus low current drain to ensure reliable operation and long life.

The HDSP-561E module offers an advantage in that it is customizable and can be reconfigured for special application needs. Depending on the application’s needs, other features such as selection of the display formats, user-defined characters, color and brightness levels can be adjusted. Furthermore, it is also possible to vary the brightness levels between the segments for enhanced display flexibility. The module can be connected to the host application via a simple interface, and allows for a wide range of signal input levels.

In conclusion, the HDSP-561E is a powerful and versatile module that can be used in different applications. With its flexible power requirements and reliable logic interface, it offers an efficient, low-power solution for digital display. Furthermore, its customizable features make it an attractive solution for applications requiring user-defined characters, scrolling text and more. The LED display is easy to read, and the wide viewing angles allow for optimized visibility even in challenging lighting conditions.

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