How two MCU through 2 wires, as it did on the dc power cord, duplex telecommunication lines and do?
Find 5 to 20 ma, seems to be single,

CodePudding user response:

Can, but a trouble, is it necessary?

CodePudding user response:

reference 1/f, worldy response:

, but rather the trouble, is it necessary?

Structural problems, only two core words better processed,

Can you give a drawing? Be appreciated ~

CodePudding user response:

Anyway to go line, you use the Internet connection, a lot of good

CodePudding user response:

reference worldy reply: 3/f

anyway to go line, a lot of good, you use the Internet cable connection

Do locks and keys, locks and keys inside each have single chip microcomputer, through the contact communication key and lock, contact only two words are better to do, the other is to use a battery-powered,

CodePudding user response:

Do contact is too low, lock locks to be made out of contact

CodePudding user response:

reference 5 floor worldy reply:

do contact the lock is too low, the lock to make contactless

Contact, the key with the battery, through contact supply locks, no contact how to ensure the lock you have electricity?
In addition to provide drawings will give, if not calculate,