Digiconnect ME and EM

I have the Digi Connect ME and it is easy to configure by browser access, i would like to know if there is some difference between ME and EM configuration? Can i access EM by browser just like i do it in ME?

They each have their own platforms and physical I/O differences, but they are pretty much the same basic hardware. Any application you write that runs on one will run on both (provided it doesn’t make use of EM-specific I/O that’s not availabe on the ME, of course).

Yes you can.
Aside of the HW differences (the EM has more peripherals), the rest is exactly the same.