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I need around 120 digital outputs for a project, how would you suggest I do this?

12buckleo

Hi there!

I am planning a project using a bunch of LEDs that I want to be able to control separately and I need to be able to control around 120 digital things. I would like to use an arduino to do this but I am open to suggestions on other platforms. I want any system that will let me control around 120 digital LEDs and maybe a few buttons all independently. I am looking for something relatively inexpensive and not too complicated (although I can handle some difficulty, that's why I want to do the project).

I was thinking I could use an I/O expansion board on an arduino or something similar to the gertboard for raspberry pi.

I would really appreciate any help people could give me, I would love some links to things so I can compare them too!

 

Thanks in advance,

-Leon

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  • As per description you can also do this things by switching transistor by doing connection link matrix. Else you can also use one Arduino MEGA2560 board and transistor switching interface or use 2 different Arduino MEGA2560 board. (One board have 54 digital pin and 16 analog pin you can use analog pin as digital also.)

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  • As per description you can also do this things by switching transistor by doing connection link matrix. Else you can also use one Arduino MEGA2560 board and transistor switching interface or use 2 different Arduino MEGA2560 board. (One board have 54 digital pin and 16 analog pin you can use analog pin as digital also.)

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