This is on the way: [image] SparkFun I2C DAC Breakout - MCP4725 - BOB-12918 - SparkFun Electronics You've always wanted to output analog voltages from a microcontroller, the MCP4725 is the DAC that will let you do it! The MCP4725 is an I2C controlled Dig I do…

DAC

system January 17, 2011, 1:50am 5

And a negative voltage?

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