7 Segment Display Pinout
![Pinout](7-segment-display-pinout/7-segment-display-pinout.gif)
The 7-segment display pinout is almost the same for both the common cathode type and common anode type. The differences are in pin 8 and pin 3 that you must pay attention to. The most commonly used display has 0.36-inch high digits. The total dimensions of the package are 14 mm × 7.5 mm.
Common Cathode
![Common Cathode Pinout](7-segment-display-pinout/7-segment-display-pinout-common-cathode.gif)
For the common cathode display, pin 8 and pin 3 connect to ground.
Common Anode
![Common Anode Pinout](7-segment-display-pinout/7-segment-display-common-anode.gif)
For the common anode type, pin 8 and pin 3 connect to the positive voltage rail.
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