HDSP-C3L1

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HDSP-C3L1 is a type of LED character and numeric display module. It is widely used in various fields and devices. This article will expound on HDSP-C3L1’s application fields and working principle.

HDSP-C3L1 is made up of a three-digit code display portion and a light-emitting diode portion. There is only one character display which shows the characters 0 through 9 and some symbols such as “H”, “L”, and “–”. The LED portion is composed of three emitting diodes with a common anode structure. The anode voltage is connected to the collector terminal of two transistors, and the cathode voltage is connected to the anode of one diode directly.

HDSP-C3L1’s application fields are quite extensive. It is widely used in communication engineering equipment, medical instrumentation, industrial automation technology, household appliances, and many other areas. For example, it is used to indicate the current time in air conditioning, to indicate the temperature and humidity in climate monitoring systems, to indicate the remaining time in a microwave oven, and to indicate the working state of a printer.

The working principle of HDSP-C3L1 is relatively simple. When it is powered by an external power supply, the voltage across the common anode is the same. At this time, the three alpha codes of the LED display portion are in the off-state. When the external voltage is connected to the base of the transistor, the current can flow from the collector of the transistor to the LED display portion and the LED will light up. To indicate a specific number or symbol, the corresponding two transistors must be connected to the base. In addition, by controlling the external voltage connected to the transistor, it can be turned off or the brightness can be changed.

In summary, HDSP-C3L1 is a type of LED character and numeric display module and it is used in a variety of applications. Its working principle is relatively simple and it can be used to indicate various data. Therefore, it is a necessary part of many devices and has a wide variety of applications.

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