A resistor is characterized by an always constant resistive value. With the same applied voltage, it will always pass the same amount of current. The potentiometer, on the other hand, is an electronic ...
As usual, let’s commence by listing the links to earlier installments in this mega-mini-series to make all our lives easier (see Part 1, Part 2, Part 3, Part 4, Part 5, Part 6, Part 7, Part 8, and ...
This is an easy tutorial showing how you can control the brightness of an LED or adjust the speed of a DC fan using Arduino Board, a small BC547 transistor and a potentiometer. In my example the whole ...
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