How have you got it set up? What code have you tried?
There's an example of using a similar shield with a Mega in my signature link. Put Jumper D0 on Rx and D1 on Tx.
How have you got it set up? What code have you tried?
There's an example of using a similar shield with a Mega in my signature link. Put Jumper D0 on Rx and D1 on Tx.