SunFounder 3in1 Kit
Each of the LEDs in the display is given a positional segment with one of its connection pins led out from the rectangular
plastic package. These LED pins are labeled from “a” through to “g” representing each individual LED. The other LED
pins are connected together forming a common pin. So by forward biasing the appropriate pins of the LED segments
in a particular order, some segments will brighten and others stay dim, thus showing the corresponding character on
the display.
Display Codes
To help you get to know how 7-segment displays(Common Cathode) display Numbers, we have drawn the following
table. Numbers are the number 0-F displayed on the 7-segment display; (DP) GFEDCBA refers to the corresponding
LED set to 0 or 1, For example, 00111111 means that DP and G are set to 0, while others are set to 1. Therefore, the
number 0 is displayed on the 7-segment display, while HEX Code corresponds to hexadecimal number.
22 Chapter 1. Components List and Introduction
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