seven segment display used in automatic

At89s51 microcontroller will be the main component controlling the process, and display different digits on display. The seven segment display is found in many electronic devices. It is just 7 LEDs that have been combined into one case to make a convenient device for the displaying numbers and some letters. In common anode version, the positive leg of each LED is connected to a common point (Vcc)

and negative leg to one of the pins of the device. The assembly is reversed for common cathode version.

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