Elektor Team
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Electronic potentiometer Type DS1669

Electronic potentiometer Type DS1669
Variable resistors normally called potentiometers are used for setting sound levels, colour saturations, brightnesses, and contrasts to name but a few. If such a resistor is to be controlled remotely, it has to be an electronic type such as the Type DS1669 from Dallas Semiconductors. The resistance of this device is controlled in steps by pulses. Moreover, the position of its wiper is stored in an EEPROM until the next time its controller is switched on.
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