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7segmentdisplay - Driving large common anode 7 seg LED with NPN transistor and arduino, worked but is it the right way? - Electrical Engineering Stack Exchange
![What is the purpose of the transistors when using a four digit seven segment display. And what would happen if I didn't use them. More in comments. : r/AskElectronics What is the purpose of the transistors when using a four digit seven segment display. And what would happen if I didn't use them. More in comments. : r/AskElectronics](https://preview.redd.it/zd62bi5fi0e71.png?auto=webp&s=ac5fdff7275a65ed7dd91bd0177cd638bff85ef1)
What is the purpose of the transistors when using a four digit seven segment display. And what would happen if I didn't use them. More in comments. : r/AskElectronics
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7segmentdisplay - How to drive a 12V common cathode 7-segment display with 5V signals and BJT transistors? - Electrical Engineering Stack Exchange
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Amazon.com: PATIKIL LED Display Digital Tube, 5 Pack Common Anode 7 Segment 10 Pin 2 Bit 2.1V LED Display Module for Electronic Driver Boards, Red : Industrial & Scientific
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raspberry pi - Can I drive a common anode multiplex display with MAX7219? - Electrical Engineering Stack Exchange
![Amazon.com: PATIKIL LED Display Digital Tube, 2 Pack Common Anode 7 Segment 10 Pin 1 Digit 6V LED Display Module for Electronic Driver Board, Green : Industrial & Scientific Amazon.com: PATIKIL LED Display Digital Tube, 2 Pack Common Anode 7 Segment 10 Pin 1 Digit 6V LED Display Module for Electronic Driver Board, Green : Industrial & Scientific](https://m.media-amazon.com/images/I/61b09a-quDL.jpg)
Amazon.com: PATIKIL LED Display Digital Tube, 2 Pack Common Anode 7 Segment 10 Pin 1 Digit 6V LED Display Module for Electronic Driver Board, Green : Industrial & Scientific
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Amazon.com: PATIKIL LED Display Digital Tube, 20 Pack Common Cathode 7 Segment 10 Pin 1 Bit 2.2V 0.56" Digit Height LED Display for Electronic Driver Board, Yellow Green : Industrial & Scientific
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pic - solution for driving multiple 7 segment LED display from 3 volt µC - Electrical Engineering Stack Exchange
![LED 7 segment display driver circuit. Basic seven segment display system ,7 segemnt display driver using 7446 LED 7 segment display driver circuit. Basic seven segment display system ,7 segemnt display driver using 7446](https://www.circuitstoday.com/wp-content/uploads/2012/03/seven-segment-decoder-driver.png)