littleBits – NAND


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The NAND module is a logic gate with two inputs. Think of it as “not and.” The NAND module will always send an on signal unless both input one and input two are receiving an on signal. It’s the exact opposite of the AND module.

Real World Example

Think of a car with two doors. When the doors are closed, they activate inputs. Inside the car, a light shines if the either or both of the doors are open. The light goes off when both doors are closed.

Fun Fact

The first lunar landing module computer was made up entirely of thousands of NAND gates!

Full lesson plan about logic available here.

Check out our Tips + Tricks for more ideas on using the NAND module.


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