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Practical Guide to LEDs 3 - Switching & Dimming : 6 Steps (with Pictures) - Instructables
Silverlight Developer » Blog Archive Simple LED and Transistor Switch - Silverlight Developer
led and transistor as switch - CircuitLab
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Switching Using Transistor - Arduino Project Hub
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b>Electronics Components: Use a Transistor as a Switch</b> - dummies
BJT as Switch - The Engineering Knowledge
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bjt - How to replace a green LED with a red one in a simple transistor switch? - Electrical Engineering Stack Exchange
Switching an LED with a transistor | Electronics projects for beginners, Electronics basics, Electronic engineering
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Transistor as a Switch - Circuit Diagram, Working & Applications
