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Arduino library for MCP4251 Digital Potentiometer
Arduino library for controlling MCP4251/MCP4252 digital potentiometers
Arduino driver for the Renesas X9C102 (1k), X9C103 (10k), X9C503 (50k), and X9C104 (100k) family of digital potentiometers.
Test Application for Digital Potentiometer Tibbits (#40-x)