Dariusz P

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Dariusz P
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Build your own 4-channel logic analyzer

If you’re just getting into hobby electronics chances are there are lots of tools you’d like to get you hands on but can’t yet justify the purchases. Why not build some of the sim…

What’s the password? Arduino + Keypad

Here is my circuit design for Arduino keypad, using only 1 analog pin (instead of 7 serial pins), 6 resistors (can be reduced to and 1 capacitor: And now for the full story: I decided it’s time …