The electronic coded lock – one of the most effective and available ways to protect the room from unauthorized access for strangers. The stylish latching mechanism can become worthy decoration of outer door.
It is required to you
- - falginirovanny steklolist;
- - wires;
- - glue;
- - electric drill;
- - working for disconnection and short circuit of the button;
- - nitroenamel;
- - solvent;
- - electric fret saw;
- - relay sealed-contacts;
- - chloride solution of iron;
- - software.
Instruction
1. Study principle of work coded lock which main part is the relay sealed-contact. After that draw the scheme of latching mechanism with any code. According to this scheme, prepare the necessary number of buttons, relay sealed-contacts and other components.
2. Print the scheme of the electronic lock in two mirror copies, cut. Paste the scheme on steklolist – on its nefalginirovanny party. Let's glue dry out well.
3. Drill openings under sealed-contacts and buttons: to drill it is necessary through paper. After that remove paper. It is simpler to make it if previously to moisten it. Using the mirror scheme, reproduce future paths on the falginirovanny party of the steklolist. You put them with nitroenamel.
4. Wait until enamel well dries. After that place payment of the electronic lock in suitable capacity and fill in with chloride solution of iron. Wait until solution eats away metal on payment. Then take out payment from capacity, well wash with water. Remove residues of enamel solvent, dry. Now it is possible to check contacts of paths.
5. Solder all spare parts, if necessary make the body of the electronic lock, connect power supply and check operability of latching mechanism.