schematic ready for review

Hardware/SNIFFER.kicad_pcb

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+(kicad_pcb
+	(version 20240108)
+	(generator "pcbnew")
+	(generator_version "8.0")
+	(general
+		(thickness 1.6)
+		(legacy_teardrops no)
+	)
+	(paper "A4")
+	(layers
+		(0 "F.Cu" signal)
+		(31 "B.Cu" signal)
+		(32 "B.Adhes" user "B.Adhesive")
+		(33 "F.Adhes" user "F.Adhesive")
+		(34 "B.Paste" user)
+		(35 "F.Paste" user)
+		(36 "B.SilkS" user "B.Silkscreen")
+		(37 "F.SilkS" user "F.Silkscreen")
+		(38 "B.Mask" user)
+		(39 "F.Mask" user)
+		(40 "Dwgs.User" user "User.Drawings")
+		(41 "Cmts.User" user "User.Comments")
+		(42 "Eco1.User" user "User.Eco1")
+		(43 "Eco2.User" user "User.Eco2")
+		(44 "Edge.Cuts" user)
+		(45 "Margin" user)
+		(46 "B.CrtYd" user "B.Courtyard")
+		(47 "F.CrtYd" user "F.Courtyard")
+		(48 "B.Fab" user)
+		(49 "F.Fab" user)
+		(50 "User.1" user)
+		(51 "User.2" user)
+		(52 "User.3" user)
+		(53 "User.4" user)
+		(54 "User.5" user)
+		(55 "User.6" user)
+		(56 "User.7" user)
+		(57 "User.8" user)
+		(58 "User.9" user)
+	)
+	(setup
+		(pad_to_mask_clearance 0)
+		(allow_soldermask_bridges_in_footprints no)
+		(pcbplotparams
+			(layerselection 0x00010fc_ffffffff)
+			(plot_on_all_layers_selection 0x0000000_00000000)
+			(disableapertmacros no)
+			(usegerberextensions no)
+			(usegerberattributes yes)
+			(usegerberadvancedattributes yes)
+			(creategerberjobfile yes)
+			(dashed_line_dash_ratio 12.000000)
+			(dashed_line_gap_ratio 3.000000)
+			(svgprecision 4)
+			(plotframeref no)
+			(viasonmask no)
+			(mode 1)
+			(useauxorigin no)
+			(hpglpennumber 1)
+			(hpglpenspeed 20)
+			(hpglpendiameter 15.000000)
+			(pdf_front_fp_property_popups yes)
+			(pdf_back_fp_property_popups yes)
+			(dxfpolygonmode yes)
+			(dxfimperialunits yes)
+			(dxfusepcbnewfont yes)
+			(psnegative no)
+			(psa4output no)
+			(plotreference yes)
+			(plotvalue yes)
+			(plotfptext yes)
+			(plotinvisibletext no)
+			(sketchpadsonfab no)
+			(subtractmaskfromsilk no)
+			(outputformat 1)
+			(mirror no)
+			(drillshape 1)
+			(scaleselection 1)
+			(outputdirectory "")
+		)
+	)
+	(net 0 "")
+)