Secret Knock Detecting Door Lock Using Arduino Pdf

If the precision is turned all the way up it can even detect people apart even.

Secret knock detecting door lock using arduino pdf.

Secret knock detecting door lock. A box or door when you provide the correct secret knock. Some examples are pir based security system rfid based security system digital lock system bio matrix systems electronics code lock. Arduino ide to work with the trinket yet follow the introducing trinket https adafru it ceu guide before continuing.

Protect your secret hideout from intruders with a lock that will only open when it hears the secret knock. Version 13 10 31 built with arduino ide 1 0 5. So far we ve been using a piezo buzzer only to make noise but we can also use it as a sensor to detect sounds in this case knocks. Protect your secret hideout from intruders with a lock that will only open when it hears the secret knock.

When a piezo is struck it rings like a bell but instead of producing sound it outputs voltage which generates a number depending on the force. Copy and paste the code below into a new sketch and upload it to your trinket. This started out as a bit of a joke project but turned out to be surprisingly accurate at judging knocks. Abstractthe project idea was to build a knock detecting in building knock detecting door lock we useddoor lock which can identify the specific knocking micro controllers pattern detecting algorithms pattern and unlock the door if the pattern is touch sensor circuit and password detect system correct.

Arduino light knock detecting door lock. If the precision is turned all the. In this post let us build a secret knock detecting door lock using arduino which can detect the pattern of your knocks at the door and will only open the lock if the knocking pattern matches with the correct. This project is based on the original secret knock lock instructable by grathio available below with the following main modifications.

This is a great gadget for a secret clubhouse and for people like me who always seem to loose their keys. Secret knock trinket code for running a secret knock lock on the adafruit trinket.