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25th November 2006, 05:21 AM
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 solar switch: need help I am trying to build a solar switch that turns the light on at night and off durring the day. I am using one transistor that at night the transistor turns on because no current it going to the base and then during the day the light turns off because a current goes to the transistor. Please look at the attached image to see how I have breadboarded it I hope you will be able to tell me what I am doing wrong. Thanks in advance Justin. | |
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25th November 2006, 11:47 AM
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| What transistor is it? Do you have a base resistor? What is it not doing? Fill in your location please! | |
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