Digipot MCP4018 Arduino library. A digital potentiometer is a device identical to a potentiometer, except that instead of a physical rotating part that adjusts the resistance, it uses digital ...

The voltage across the digipot is set by feedback to a fixed voltage = V REF = 1.25 V typically. So the 5-V limitation of most digipots is no longer a concern. Moreover, the maximum V OUT is set ...

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Extend Low-Voltage Digipot Resolution to Control an ... common availability of inexpensive microcontrollers and the software infrastructure that supports devices such as the Arduino and ...