You can also hook in a pair of these and use cat5 or 6 cable to interconnect. The new autosteer board will have something like this. For 10$ pretty good. One at each end and you are good for 30 m or more.
https://www.sparkfun.com/products/14589
You can also hook in a pair of these and use cat5 or 6 cable to interconnect. The new autosteer board will have something like this. For 10$ pretty good. One at each end and you are good for 30 m or more.
https://www.sparkfun.com/products/14589