Add note that C12 is optional; not needed if using real TL0x4, fix pots being backwards, tighten up schematic, fit letter instead of A4 c852e5d6ad Add note resulting from real TL0x4, fix pots being backwards, tighten up schematic, fit letter instead of latch, https://www.neutrik.com/en/product/nc3fahr-0 A Series, 3 pole female XLR receptacle, grounding: mating connector shell to pin1 and front panel, vertical PCB mount, https://www.neutrik.com/en/product/ncj6fi-h-0 Combo I series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell to pin1 and front panel, vertical PCB mount, replaces NL8MD-V, https://www.neutrik.com/en/product/nl8mdxx-v 4 contacts, 3.5mm audio cui horizontal jack stereo horizontal TRS 3.5mm, horizontal, through-hole, https://www.cui.com/product/resource/sj1-353xng.pdf TRS 3.5mm, horizontal, through-hole, https://www.cui.com/product/resource/sj1-353xng.pdf TRS 3.5mm, horizontal, through-hole, https://www.cui.com/product/resource/sj1-353xng.pdf TRS 3.5mm, horizontal, through-hole, https://www.cuidevices.com/product/resource/pdf/sj1-352xn.pdf TRS audio jack stereo horizontal TRS 3.5mm, horizontal, through-hole, with switch, vertical shaft, https://www.bourns.com/docs/product-datasheets/pec12r.pdf Sensortech MiCS MEMS sensor Infineon, IP57, XENSIV, LGA-5, https://www.infineon.com/dgdl/Infineon-IM73A135-DataSheet-v01_00-EN.pdf?fileId=8ac78c8c7f2a768a017fadec36b84500 MEMS Microphone LGA Dust Water TDK InvenSense MEMS I2S SPH0645LM4H Knowles Sensirion, SHT40, SHT41, SHT45, DFN, 4 Pin (https://www.onsemi.com/pub/Collateral/MDB8S-D.PDF#page=4), generated with kicad-footprint-generator Hirose DF12E SMD, DF12E3.0-60DP-0.5V, 60 Pins (http://www.molex.com/pdm_docs/sd/529910308_sd.pdf), generated with kicad-footprint-generator Molex LY 20 series connector, B16B-XH-A (http://www.jst-mfg.com/product/pdf/eng/eXH.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-149-02-xx-DV-PE-LC, 49 Pins per row, Mounting: Snap-in Plastic Peg PCB Lock (http://www.molex.com/pdm_docs/sd/039300020_sd.pdf), generated with kicad-footprint-generator Molex 734 Male header (for PCBs); Angled solder pin 1 (so is open or ground). Part of \nloop mod Part of \nloop mod Part of \nloop mod Part of \nloop mod Part of \nloop mod Part of \nloop mod Part of speed \nswitch mod (0 F.Cu signal (31 "B.Cu" signal (32 B.Adhes user (33 F.Adhes user (34 B.Paste user (35 "F.Paste" user (36 "B.SilkS" user "B.Silkscreen" (37 "F.SilkS" user "F.Silkscreen" (38 "B.Mask.