![]() ![]() So by forward biasing the appropriate pins of the LED segments in a particular order, some segments will be light and others will be dark allowing the desired character pattern of the number to be generated on the display. The other LED pins are connected together and wired to form a common pin. These LED pins are labeled from a through to g representing each individual LED. An additional 8th LED is sometimes used within the same package thus allowing the indication of a decimal point (DP) when two or more 7-segment displays are connected together to display numbers greater than ten.Įach one of the seven LEDs in the display is given a positional segment with one of its connection pins being brought straight out of the rectangular plastic package. Each of the seven LEDs is called a segment because when illuminated the segment forms part of a numerical digit (both Decimal and Hex) to be displayed. ![]() The 7-segment display consists of seven LEDs arranged in a rectangular fashion. In this lesson you will learn how to use such a display to display characters. Different letters/numbers can be represented by connecting different pins on the display to the power source, thus turning on the LEDs in parallel. A 7-segment display is a device made up of seven LEDs connected in parallel that can be used for displaying numerals and some letters. ![]()
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