Power supplying a smart switch without neutral line

Status
Not open for further replies.

PersianMan

Newbie level 4
Joined
Mar 29, 2010
Messages
7
Helped
0
Reputation
0
Reaction score
0
Trophy points
1,281
Activity points
1,369
I saw a smart switch with just live line as input.
How can i design a circuit for controlling a relay with just live line of 220vAC?
 

Status
Not open for further replies.

Similar threads

Menu
Log in
Register
Cookies are required to use this site. You must accept them to continue using the site. Learn more…