Kind of! I believe internet is (or can be) still involved, depending on context. Check out @benarc's work using Lightning/zaps to activate home electronics…. 

 Sorry - Ben has a new npub:

@Ben Arc 

 Fantastic! thank you.  

 🤜🤛 

 ⚡⚡⚡⚡👍 

 thank you for the info! 

 Any time!