How to expand both digital and analog pins of Nano?

Projects General Guidance
1

Hi,
what's the easy way to expand digital and analog pins on Nano?
Mega is a kind of large in size for me.
Thanks
Adam

2

Take the Arduino Nano, then put it aside.
Then go buy a Teensy 4.1 : https://www.pjrc.com/store/teensy41.html.
I know it is a silly answer, but others that buy a Teensy 4.1 for its large amount of pins seems to be happy with it. I have not used a Teensy board myself.

There are (too) many ways to add additional analog and digital pins to a Arduino board. Can you tell what your project is ? Then we can give better answers.

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3

I don't know if this is frowned on here, but there is always the mini mega:
https://www.ebay.com/itm/254927839453

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4

How many more pins are we talking and what use?

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5

Thank you.

6

Thank you, I like it.

7

Digital: something like the mcp23017
Analog: something like the ads1115

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8

Thanks.

9

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