Quote:
Originally Posted by billbo911
If you can use a sensor like this one, an Arduino should work great.
Using the I2C libraries, you should be able to access all 21 sensors quite easily. |
20 feet is pretty long for I2C. If you use this part, be careful with your cabling. If it doesn't work, slow down your data rate, fiddle with the pull up resistors, and possibly use a repeater.