Can I read Electronic Door Lock on EtoBox?
Electronic Door Lock by taindi is a document available to read on EtoBox.
What is Electronic Door Lock about?
The circuit was constructed to provide a simple electronic lock system using a 4022 integrated circuit counter. When the correct 7-digit code is entered, the output activates a transistor to open the door for 4 seconds. The code can be changed by altering switch connections to the IC outputs.
- Author
- taindi
- Language
- EN