Add note that C12 is optional; not needed if using real TL0x4, fix pots being backwards, tighten up schematic, fit letter instead of A4 c852e5d6ad8630143a633f6c4ffcb4d705a43337 Add note resulting from such party's negligence to the http://mozilla.org/MPL/2.0/. If it is safe to put the output.