![]() ![]() Most water heaters use digital tubes, and other home appliances also use LCD screens and fluorescent screens. It is widely used in electrical appliances, especially home appliances, such as display screens, air conditioners, water heaters, refrigerators, and so on. By inputting relative current to its different pins to make it light up, it can show that the numbers can display all the parameters that can be represented by numbers, such as time, date, temperature, and so on. A seven-segment display or 7-seg display is a kind of semiconductor light-emitting device that is cheap and easy to use. ![]()
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