For energy meter you can use Youless (at the IR interface) I think.
For gas meter you could use a reed sensor. Many meters have a magnet at one of the numbers (the one with a blank mirroring part).
For energy meter you can use Youless (at the IR interface) I think.
For gas meter you could use a reed sensor. Many meters have a magnet at one of the numbers (the one with a blank mirroring part).