Here’s something fun from [Chad Kapper] over on HackMakeMod: Escape Room Lockbox with the Cheap Yellow Display. You may have heard of the “cheap yellow display” (CYD), so-called due to the board’s ...

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Fire and carbon monoxide incidents move fast, but your alarms do not have to be guesswork. If you match the right type of detector to each room, you turn your house into a network of early warnings ...