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how can I slow down my flashing LED? | Yahoo Answers 10/3/2011 · I have a 12V flashing LED with 20mA that I am hooking up on a project of mine. I want to slow down the flash of the LED because it is too rapid. I heard that adding a resistor would fix this, but the variety of resistors I ripped off of some old electronics only dim the solar slow down flashing warning light, solar slow down Alibaba.com offers 831 solar slow down flashing warning light products. A wide variety of solar slow dow...

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