Best way for numerical input

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theinzen
 
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Best way for numerical input

Post by theinzen »

I am using an arduino mega to control a process. I would like to use a panel mounted device to insert three setpoint numbers into the sketch. Was is the best hardware device to do this with minimal wires.

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kcl1s
 
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Re: Best way for numerical input

Post by kcl1s »

This would work and only uses 2 pins for I2C. https://www.adafruit.com/product/772

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Keith

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adafruit_support_bill
 
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Re: Best way for numerical input

Post by adafruit_support_bill »

This would work and only uses 2 pins for I2C. https://www.adafruit.com/product/772
For an example of data entry using that shield, see this guide:
https://learn.adafruit.com/sous-vide-po ... -interface

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