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This Lego meter uses a microcontroller inside the case to check resistors and batteries. A PC running a .NET application displays the value and uses text to speech to say the number aloud. [Via Dangerous Prototypes]

John Baichtal

John Baichtal

My interests include writing, electronics, RPGs, scifi, hackers & hackerspaces, 3D printing, building sets & toys. @johnbaichtal nerdage.net