HDSP-U103

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HDSP-U103 is one of the most common LED character and numeric display modules available on the market. It has a wide range of applications in industrial displays, clocks, go/stop counters, medical or electronic instrumentation, and many other electronic control systems.

The HDSP-U103 is a high-intensity, 5.5 or 8.0 character seven-segment display, configured for multiple displays in the traditional "one-digit" style. The display is capable of displaying any number from 0 to 9999. It contains eight LEDs, four of which are bicolor. The upper four LEDs can be used to display either red or green digits, while the lower four LEDs are used to display brighter yellow digits. The red segments are used for "alternative" characters, normally indicating the presence of an error in the display.

The module is powered by a 5V supply and features an integrated voltage regulator and over current protection. The interface between the HDSP-U103 and the host controller is via a three-wire SPI interface. This interface can both program the display and enable the host controller to read the state of the device.

The HDSP-U103 also contains an array of 1Kb of RAM for displaying characters and numbers. Each character or number is displayed in a three-digit format, with each digit being represented by 7 bits. This allows the display to be easily read from the controller. In addition, the RAM is also capable of storing the state of each LED segment, enabling the display to be adapted to any number of different display formats.

The HDSP-U103 is an extremely versatile and reliable LED display module. It is ideal for a range of applications, from industrial settings to medical and electronic instrumentation, as well as a wide range of other control systems. Its integrated RAM and three-wire SPI interface make it easy to use, while its ability to display characters and numbers in multiple formats makes it a great choice for any number of display requirements.

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