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Notes A-1605 * Fit SIP socket for\nsocketing capacitors C13 marked 1 nF\non first run PCBs as 1 nF. It should be 10 nF. Putting everything together is a ceramic 104 power cap like C5, C6, C8 | 4 | 100nF | Ceramic capacitor | | | 14 pin DIP socket | | J1 | 1 | TL074 | Quad Low-Noise JFET-Input Operational Amplifiers, DIP-14/SOIC-14 | | 4 | 1M | Resistor | | | R4, R6, R7, R30, R31 Switch, dual pole double throw, center OFF position K switch normally-open pushbutton push-button Side push button https://www.e-switch.com/system/asset/product_line/data_sheet/210/800U.pdf momentary / push-push button, h=17.5mm C&K PVA1 https://www.ckswitches.com/media/1343/pva.pdf momentary / push-push button, h=17.5mm C&K PVA2 https://www.ckswitches.com/media/1343/pva.pdf momentary / push-push button, h=17.5mm C&K PVA1 https://www.ckswitches.com/media/1343/pva.pdf momentary / push-push button, h=17.5mm C&K PVA1 https://www.ckswitches.com/media/1343/pva.pdf momentary / push-push button, h=20.5mm C&K PVA2 https://www.ckswitches.com/media/1343/pva.pdf momentary / push-push button, h=20.5mm C&K PVA1 https://www.ckswitches.com/media/1343/pva.pdf momentary / push-push button, h=23mm C&K PVA1 https://www.ckswitches.com/media/1343/pva.pdf momentary / push-push button, h=23mm C&K PVA1 https://www.ckswitches.com/media/1343/pva.pdf momentary / push-push button, h=17.5mm C&K PVA1 https://www.ckswitches.com/media/1343/pva.pdf momentary / push-push button, h=17.5mm C&K PVA1 https://www.ckswitches.com/media/1343/pva.pdf momentary / push-push button, h=15mm C&K PVA1 https://www.ckswitches.com/media/1343/pva.pdf momentary / push-push button, h=20.5mm C&K PVA1 https://www.ckswitches.com/media/1343/pva.pdf tact sw push PVA2 DPDT momentary / push-push button, h=13mm C&K PVA2 https://www.ckswitches.com/media/1343/pva.pdf momentary / push-push button, h=20.5mm C&K PVA2 https://www.ckswitches.com/media/1343/pva.pdf momentary / push-push button, h=13mm C&K PVA2 https://www.ckswitches.com/media/1343/pva.pdf momentary / push-push button, h=15mm C&K PVA2 https://www.ckswitches.com/media/1343/pva.pdf tact sw push PVA1 DPST momentary / push-push button, h=13mm C&K PVA2 https://www.ckswitches.com/media/1343/pva.pdf tact sw push 6mm smd CK components KMR2 tactile switch Wurth Wuerth Ultraminiature Surface Mount Double Row 2.54mm (0.1 inch) Pitch PCB Connector, M20-89013xx, 13 Pins (https://www.molex.com/pdm_docs/sd/026604020_sd.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-138-02-xx-DV-PE-LC, 38 Pins per row (http://www.molex.com/pdm_docs/sd/022035035_sd.pdf), generated with kicad-footprint-generator JST J2100 series connector, LY20-28P-DLT1, 14 Circuits (http://www.jae.com/z-en/pdf_download_exec.cfm?param=SJ038187.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py VQFN, 28 Pin (http://www.ti.com/lit/ds/symlink/tps51363.pdf#page=29), generated with kicad-footprint-generator Soldered wire connection with feed through strain relief, for 2 times 2.5 mm² wires, reinforced insulation, conductor diameter 1.4mm, outer diameter 3mm, size source Multi-Contact FLEXI-E 0.75 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator ipc_gullwing_generator.py SO, 16 Pin (https://toshiba.semicon-storage.com/info/docget.jsp?did=12858&prodName=TLP291-4), generated with kicad-footprint-generator Mounting Hardware, inside blind hole M1.6, height 5, Wuerth electronics 9774055951 (https://katalog.we-online.de/em/datasheet/9774055951.pdf), generated with kicad-footprint-generator Soldered wire connection, for 2 times 0.25 mm² wires, basic insulation, conductor diameter 0.9mm, outer diameter 2.1mm, size source Multi-Contact FLEXI-xV 1.5 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator ipc_gullwing_generator.py SOP, 8 Pin (https://ae-bst.resource.bosch.com/media/_tech/media/datasheets/BST-BME680-DS001-00.pdf#page=44), generated with kicad-footprint-generator JST ZE series connector, B14B-PH-K.

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