This DS1669 circuit could be used for replacing your manual volume control. DS1669 are digital rheostats or potentiometers and provide 64 possible uniform tap points over the resistive range and are available in standard versions of 10K, 50K, and 100K ohms.The DS1669 can be controlled by either a mechanical–type contact closure input or a digital source input such as a CPU. With DS1669 circuit we
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