Use 27k resistors on the input to create a false ground
authorKeith Packard <keithp@keithp.com>
Sun, 17 Jan 2016 00:22:13 +0000 (16:22 -0800)
committerKeith Packard <keithp@keithp.com>
Sun, 17 Jan 2016 00:22:13 +0000 (16:22 -0800)
This replaces the odd network of 33k resistors; testing shows that
this works 'just fine thanks'.

Signed-off-by: Keith Packard <keithp@keithp.com>

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