10-turn pots added to variable power supply for more precision
HQ Power (Velleman) PS1503SBU: http://amzn.to/1Xj50dP ; Jameco: http://bit.ly/1X6DLs6 10-turn pots from Jameco http://bit.ly/1X6ApW0 The formula for adding the 22k pots in parallel to the 10k pots can be found on my blog: http://bit.ly/1Xj7b16

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