Svat doorbell video intercom system11/18/2023 Feel free to change any of these for your program. The variables for the code are documented at the top. To exit, press esc then upper-case ZZ to save. Press, i to enter edit mode then make your changes. To edit the file, install vim and open the file apt-get install vim vim doorbell.py You can test that the program works by running python doorbell.py I extracted the package to my home directory and them moved the doorbell.py file to /home/pi/doorbell.py. On the repository, I clicked "Download Zip" to download a zip file with the code. I navigated to our git repository from my Raspberry Pi in the browser. I haven't verified that the code works on the Raspberry Pi 4, so use at your own risk. My Raspberry Pi 3 was a little laggy with video playback, so you might want to use a Raspberry Pi 4 instead because it has more memory/cpu power. You might want to test that the video call works by visiting the same link on your computer/phone. My settings were: Camera: mmal service 16.1 Microphone: USB PnP Sound Device, USB Audio-Default Audio Device Visit Jitsi Meet and configure the site to use your camera/microphone. I'm using Jitsi Meet to create video calls because it's free and easy to use. ![]() Store the settings so that they persist on reboot. You can play the file with: aplay test.wav It will generate a audio file in your local directory called test.wav Test the audio capture with the following command: arecord -device=hw:1,0 -format S16_LE -rate 44100 -c1 test.wav -V mono Press F4 to open the capture settings and bump the level up to 100. Open the sound input settings alsamixer -c l Make sure to double check the camera to verify that it is connected properly. If this command raises an error and does not create an image, your camera might not be connected properly. Test that the camera is working by running the following command in the terminal to save an image to your local directory: sudo raspistill -o test.jpg Navigate to Interfacing Options, then camera. ![]() If you're not using VNC, make sure to do this before you screw the Raspberry Pi into the enclosure.Įnable the camera with raspi-config. I connected the Raspberry Pi over VNC so that I didn't have to remove the Raspberry Pi from the enclosure. We'll have to do run some commands on the Raspberry Pi to make the doorbell work.
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