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Back10:45:56 AM EDT R14, R15 values changed\ndue to availability Kassu used 1 uF | Polarized capacitor | | R3, R7 | 3 | 10 nF | Unpolarized capacitor | | | | J3, J4, J5 | 3 | 22k | Resistor | | U3 | 1 | TL074 | Quad operational amplifier, DIP-14 A-1135 2 8 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 215079-4 7-215079-4 TE-Connectivity Micro-MaTch female-on-board top-entry thru-hole 6 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 4 pin SMD MSOP, 8 Pin (https://www.ti.com/lit/ds/symlink/lp2987.pdf#page=26), generated with kicad-footprint-generator Molex 734 Male header (for PCBs); Straight solder pin 1 x 1.
- 0ZRE0012FF, BelFuse, Radial Leaded PTC,https://www.belfuse.com/resources/datasheets/circuitprotection/ds-cp-0zre-series.pdf Fuse 0ZRE0040FF, BelFuse.
- Board-to-Board Connectors, 502430-0820, 8 Pins per row.