If you want to make an electronic lock, using a [[KeyPad]] is the obvious way. There's one of these in the Espruino Ultimate kit, but see the [[KeyPad]] page to see where you can buy them. Just plug ...
When people aren't amazing us with virtual blocky creations in Minecraft, they're using real-world LEGO blocks to do the same. In this case, one crafty LEGO user has created a safe with a functional 3 ...
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