A check with infrared light barriers or other methods would certainly be possible but in this case that is much more complicated.
Raspberry pi unlock door.
Solenoid lock requires 9 to 12v and raspberry pi can provide only 5v.
Build a raspberry pi door window sensor with reed relais.
All activity is monitored and logged using the raspberry pi.
Due to this a 12v adapter is used to power the solenoid lock.
Opening and closing the door is secured by using self signed certificates installed on family s mobile phones.
Circuit diagram for face recognition door lock using raspberry pi is given below.
Build the ultimate smart home door lock system turning your office into a high security vault.
The garage door has been in continuous use since late 2014.
Attach the camera we re going to keep an eye on the outside world by replacing the door s peephole with the raspberry pi camera.
Remove the barrel and cover the hole with the camera.
It can be unlocked over a wifi connection using a smartphone and a custom app.
This was my first hardware project and instructable ever and i m sure.
If the garage door is open when it shouldn t be then send a text message sms to a cell phone.
A lack of drivers for the esp 12e however resulted in noisycarlos switching to a raspberry pi zero w and with the use of some python code the project finally came to life using a mobile app to finally control the lock over tcp with some home protecting encryption added into the mix to prevent anyone hacking the house.
A peep hole is typically a two piece barrel that screws together and can be easily unscrewed from the inside.
While this has been done before i thought i d post my solution.
Raspberry pi garage door opener.
On the other side of the relay module connect the negative form dc power source to the negative of the solenoid door lock.
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In addition to a surveillance camera and motion sensors information about open windows and doors is also of interest to a self built surveillance system.
Connect the vcc and gnd of the relay module to 5v and gnd of raspberry pi.
You can create an internet connected smart door lock using your raspberry pi 3 single board computer.
With a magnet attached to the garage door the pi relies on two magnetic reed switches to check the garage door s status.
Use a raspberry pi and a smartphone to open close and monitor a garage door.