What is the brain of the circuit?, Arduino Uno, Led, What component gives off light?, LED, Resistor, What loop repeats code continuously?, Forever loop, count loop, What block stores a value like blink?, Variable, loops, What component makes sound?, Piezo buzzer, aurduino, If the delay gets bigger, does the LED blink faster or slower?, slow, fast, What loop is useful for fading an LED?, count loop, for loop, Why do we use a resistor with an LED?, To protect the LED from too much current, to make it look better.

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