X="4.3" y="2.1"/> Update luther's layout Update luther's layout - 2 x 6mm drills 3 pin connector, https://www.te.com/commerce/DocumentDelivery/DDEController?Action=showdoc&DocId=Customer+Drawing%7F215079%7FY1%7Fpdf%7FEnglish%7FENG_CD_215079_Y1.pdf%7F215079-4 connector TE-Connectivity Micro-MaTch Vertical 2-215079-0 9-215079-20 TE-Connectivity Micro-MaTch female-on-board top-entry thru-hole 8 pin DIP socket | | | | J2 | 1 | SW_3PDT_x3 | Switch, triple pole double throw | | | | | | | | L1 | 1 | TL074 | Quad Low-Noise JFET-Input Operational Amplifiers, DIP-14/SOIC-14 | | U2 | 1 | 1uF | Unpolarized capacitor | | | | Tayda | A-1135 | | R25, R27, R29 | 3 | A1M | Potentiometer | | | | | | | R3, R21, R27, R28 | 3 | 10k | Resistor | | | | R9, R11.
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