Tag Archives: resistor

How not to blow up your LEDs

The above is what happened to an LED that was connected to a 9 volt battery without a current-limiting resistor in series. It exploded like a firecracker and the moral of the story is, WEAR EYE PROTECTION. The lesson of … Continue reading

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How to stick resistors in breadboards

Not like that. Like this: Also recommended: Cup your hand over the clippers when you snip the unbent lead even with the bent, which sounds metaphorical but will in practice keep little metal bits from flying hither and yon.

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