Apple HomeKit with Raspberry Pi — This is a repost of the original post on wrt.nth.io: https://wrt.nth.io/luke/siri-controlled-1970s-intercom-door I used a Raspberry Pi and Pimoroni Automation pHAT to make my 1970s (?) apartment intercom system Siri controlled and internet accessible. The full project code is available on a GitHub repo. The Problem My apartment building lobby door lock is…