closed circuit and open circuit in cone sudan
Need it for a mailbox alarm (build out of a wireless door bell) which senders circuit is closed when the mailbox lid is opened (tilt ball switch) . Press J to jump to the feed. Press question mark to learn the rest of the keyboard shortcuts. Search within r/AskElectronics. r/AskElectronics. Log In Sign Up. User account menu. Found the internet! 7.