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cris

Published: Oct 11,2024

LM3909 flashing indicator

7 segments display circuit

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Attribution-ShareAlike (CC BY-SA)

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Hardware Components

  • LM3909

    X 1 fenxiang

Tools, APP Software Used etc.

  • Kicad

Story

LM3909 flashing indicator

I present to you a circuit which is a little outdated, but quite pleasant for some, I saw that this LM3909 is still found and I said to draw a pcb. I added a multi-channel switch, dip switch, which allows us to choose which number we want to display. Maybe you want to dial a certain number to celebrate something special.

Notes: pay attention to the display model.

I hope you like this board, if so, maybe you can help me with another LM3909 IC. ????

Schematic and Layout
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lm3909
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