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    element14 Presents

    Learn basic electronics, explore STEM subjects, get what you need to know to get started on electronics projects, and more.

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    The Learning Circuit
    sudo Sergeant
    The Ben Heck Show

     

    After years of having brothers and coworkers sneaking off with her candy, Karen is using her new knowledge of transistors to create an alarm to protect her sugary treasure. Make along with Karen an alarm using a photoresistor, buzzer, and transistor!