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Turn an old CRT Television into a Raspberry Pi Powered MAME Cocktail Cabinet

Here I will show you how I went about building my arcade machine that uses a Raspberry Pi running MAME to emulate games. As everyones setup will be different this will be general in nature but will hopefully supply enough information so you can get started yourself ! This is my first instructable but hopefully it will …

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The Raspberry Pi Powered Speaking Doorbell – Part 1: The Input Circuit

The first step of building the Raspberry Pi-powered speaking doorbell is building a simple input circuit. The purpose of the input circuit is to protect the Pi from damage by electrically isolating the doorbell and its power supply from the Raspberry Pi itself. The circuit design and a full description of how it works can …

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