https://www.raspberrypi.org/blog/google-pi-intercom-aiy-projects/

GOOGLE PI INTERCOM WITH THE AIY PROJECTS KIT

When we released the Google AIY Projects kit with Issue 57 of The MagPi in May, we could hardly wait to see what you in the community would build with it. Being able to add voice interaction to your Raspberry Pi projects opens up a world of possibilities for exciting digital making.

One such project is maker Martin Mander‘s Google Pi Intercom. We love this build for its retro feel and modern functionality, a combination of characteristics shared by many of Martin’s creations.

INTER-COM AGAIN?

If you’ve paid any attention at all to the world of Raspberry Pi in the last few months, you’ve probably seen the Google AIY Projects kit that came free with The MagPi #57. It includes a practical cardboard housing, but of course makers everywhere have been upgrading their kits, for example by creating a laser-cut wooden box. Martin, however, has taken things to the next level: he’s installed his AIY kit in a wall-mounted intercom from 1986.

Google Pi intercom Martin Mander

The components of the Google Pi Intercom

IT’S ALL (INTER)COMING TOGETHER

Martin already had not one, but three vintage intercoms at home. So when he snatched up an AIY Projects kit, there was no doubt in his mind about how he was going to use it:

The moment I scooped the Google AIY kit, I knew that one of these old units would be a perfect match for it – after all, both were essentially based on a button, microphone, and loudspeaker, just with different technology in between.

PREPARING THE INTERCOM HOUSING

First, Martin gutted the intercom and ground away some of the excess plastic inside. This was necessary because integrating all the components was going to be a tight fit. To overhaul its look, he then gave the housing a good scrub and a new paint job. For a splash of colour, Martin affixed a strip of paper in the palette of the Google logo.

Google Pi intercom Martin Mander

BUBBLES!

BUILDING THE GOOGLE PI INTERCOM

The intercom’s speaker wasn’t going to provide good enough sound quality. Moreover, Martin quickly realised that the one included in the AIY kit was too big for this make. He hunted down a small speaker online, and set about wiring everything up.

Google Pi intercom Martin Mander

Assembling the electronics

Martin wanted the build to resemble the original intercom as closely as possible. Consequently, he was keen to use its tilting bar to activate the device’s voice command function. Luckily, it was easy to mount the AIY kit’s button behind the bar.

Google Pi intercom Martin Mander

Using the intercom’s tilting bar switch

Finally it was only a matter of using some hot glue and a few screws and bolts to secure all the components inside the housing. Once he’d done that, Martin just had to set up the software of the Google Assistant, and presto! He had a voice-controlled smart device for home automation.

A pretty snazzy-looking build, isn’t it? If you’d like to learn more about Martin’s Google Pi Intercom, head over to the Instructables page for a complete rundown.

Google Pi intercom Martin Mander

Awaiting your command

THE AIY PROJECTS KIT

Didn’t manage to snap up an AIY Projects kit? Find out how to get your hands on one over at The MagPi.

Or do you have an AIY kit at home? Lucky you! You can follow our shiny new learning resource to get started with using it. There are also lots of handy articles about the kit in The MagPi #57 – download the PDF version here. If you’re stuck, or looking for inspiration, check out our AIY Projects subforum. Ask your questions, and help others by answering theirs.

What have you built with your AIY Projects kit? Be sure to share your voice-controlled project with us in the comments.

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