Bosses have any ideas, can teach me?

CodePudding user response:

Do you want to detect liquid alcohol content or testing the alcohol content in the air?
A little brother treasure to search a lot of sensors

CodePudding user response:

reference 1/f, blackout response:

do you want to detect liquid alcohol content or testing the alcohol content in the air?
A treasure to search a lot of sensors brother

The sensor in the air, what I use is MQ3