The roller switch is a handy Bit -- it has a little lever with a wheel and activates when something moves past it. You can also flip the mode switch to make it turn off when the lever is pushed in. Try that mode with an LED to make a fridge light.

(LB-650-0019)

SKU LB-650-0019
Model # LB-650-0019
Barcode # 859477003898
Brand LittleBits

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