Can I run my electric sewing-machine off the light circuit?

我能在电灯电路上接电使用电动缝纫机吗？

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If the light remains on, there is probably a short in the warning light circuit.

如果告警灯还是亮的，那就有可能是是告警灯电路发生短路。

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The method features simple structure and light circuit, convenient adjustment and high effectiveness.

使用这种方法，结构和光路简单、调节方便、效果良好。

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Instead of using light to etch a transistor circuit on a wafer of silicon, they propose to fabricate tiny wires.

ECONOMIST: A molecular replacement for the transistor?

That wire can ground a contact on the circuit board behind the light that triggers a function intended to allow the door to be opened with a remote button, bypassing all its security measures.

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In this case, Richardson combined a couple of Arduino circuit boards with an infrared LED light -- that little red bubble on the front of your TV remote -- and programmed the whole thing to interact with a TV's closed-captioning system.

CNN: Hacked TV remote will auto-mute Snooki