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Amazon.com: 5mm 12v Pre-Wired Flashing Red LED - Ultra Bright (Pack of 10) : Industrial & Scientific
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Amazon.com: EDGELEC 100pcs 5mm RGB Slow Flashing LED Diodes Multicolor (White Lens,Colors Changed Automatically) Diffused Round Lens +100pcs Resistors (for DC 6-12V), Bulb Light Emitting Diode : Industrial & Scientific
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Amazon.com: EDGELEC 50pcs 12 Volt 5mm Red Blinking LED Lights Emitting Diodes (1.5Hz Single Color Flashing) Pre Wired 7.9 Inch DC 12v LED Light Diffused Colored Lens Small LED Lamps : Industrial
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Amazon.com: EDGELEC 100pcs 5mm Red Blinking Diffused LED Diodes 1.5Hz Flash (Single Color Flashing) Round Lens 29mm Lead DC 2V Blink Bulb Lamp Light Emitting Diode +100pcs Resistors 470ohm for DC 6-12V
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How to build a simple blinking led circuit with a capacitor, transistor and two resistors | Jon Gallant
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