Raspberry Pi 3
Mid-1980s FM intercom 2.3-inch Visaton FR58 8-ohm full-range speaker Voice HAT accessory board
Voice HAT microphone board
Switch from arcade-style push button
4-wire button cable 5-wire daughter board cable
Above To integrate the Pi-powered intercom with as many smart devices as possible in his home, Martin used IFTTT (If This Then That) to pair together triggers and actions from various online services that he’d added to his IFTTT account. He says,...
Above Putting the intercom together involved a lucky break: Martin says that had the case “been even 5mm smaller in any direction it just wouldn’t have worked”. As it was, he had to trim away plastic protrusions inside the case, such as posts, with a...