seven segment display used in automatic

  
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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)
seven segment display used in automatic - schematic

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



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