I have a Volcano 7 variable speed fan on my Duron 1.2Ghz machine. The fan speed is controlled by a temp. sensor between a 'low' and 'high' speed. The problem is, the crossover point for the two speeds ...

Digital potentiometers (pots) offer advantages for audio volume (gain) control applications and can replace bulky mechanical pots, especially in handheld portable devices such as MP3 players, PDAs, ...

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 ...