diff --git a/.gitignore b/.gitignore
index 7cee81b..01aeac2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@
 !/mykicadws2.kicad_wks
 !/mypower.kicad_sym
 !/my.kicad_sym 
+!/makefile-pcb-release
\ No newline at end of file
diff --git a/makefile-pcb-release b/makefile-pcb-release
new file mode 100644
index 0000000..e36fd46
--- /dev/null
+++ b/makefile-pcb-release
@@ -0,0 +1,376 @@
+PRO="your_project.kicad_pro"
+PRO_DIR=$(dir ${PRO})
+NAME=$(basename $(notdir ${PRO}))
+SCHFILE=${PRO_DIR}/${NAME}.kicad_sch
+PCBFILE=${PRO_DIR}/${NAME}.kicad_pcb
+REV=$(shell sed -En 's/.*\(rev "(.*)"\).*/\1/p' "${SCHFILE}")
+
+KICAD_VER=7.0
+PYTHON=python
+IBOM_SCRIPT_WIN=${USERPROFILE}/Documents/KiCad/${KICAD_VER}/3rdparty/plugins/org_openscopeproject_InteractiveHtmlBom/generate_interactive_bom.py
+IBOM_SCRIPT_NIX=${HOME}/.local/share/kicad/${KICAD_VER}/3rdparty/plugins/org_openscopeproject_InteractiveHtmlBom/generate_interactive_bom.py
+IBOM_SCRIPT=$(if $(wildcard ${IBOM_SCRIPT_NIX}),${IBOM_SCRIPT_NIX},${IBOM_SCRIPT_WIN})
+COLORS_DIR_WIN=${USERPROFILE}/AppData/Roaming/kicad/${KICAD_VER}/colors
+COLORS_DIR_NIX=${HOME}/.config/kicad/${KICAD_VER}/colors
+COLORS_DIR=$(if $(wildcard ${COLORS_DIR_NIX}),${COLORS_DIR_NIX},${COLORS_DIR_WIN})
+
+.PHONY: all clean gerber pdf ibom
+.FORCE:
+all: gerber pdf ibom
+
+clean:
+	rm -rf "${PRO_DIR}/out/"
+
+
+%/gerber.zip: .FORCE
+	rm -rf $@ "$(@D)/gerber/"
+	mkdir -p "$(@D)/gerber/"
+	kicad-cli pcb export drill --output "$(@D)/gerber/" \
+		--format excellon \
+		--drill-origin absolute \
+		--excellon-units mm \
+		--excellon-separate-th \
+		--excellon-zeros-format decimal \
+		--generate-map \
+		--map-format gerberx2 \
+		"${PCBFILE}"
+	kicad-cli pcb export gerbers --output "$(@D)/gerber/" \
+		--layers F.Cu,B.Cu,In1.Cu,In2.Cu,F.Silkscreen,B.Silkscreen,F.Mask,B.Mask,F.Paste,B.Paste,Edge.Cuts \
+		--no-protel-ext \
+		--no-x2 \
+		--disable-aperture-macros \
+		"${PCBFILE}"
+	zip -rj $@ "$(@D)/gerber/"
+	rm -rf "$(@D)/gerber/"
+
+gerber: ${PRO_DIR}/out/gerber.zip
+
+
+%/bom_interactive.html: .FORCE
+	mkdir -p "$(@D)"
+	${PYTHON} "${IBOM_SCRIPT}" "${PCBFILE}" \
+		--dnp-field DNP \
+		--group-fields "Value,Footprint" \
+		--include-nets \
+		--normalize-field-case \
+		--no-browser \
+		--dest-dir "$(abspath $(@D))" \
+		--name-format "$(@F)"
+
+ibom: ${PRO_DIR}/out/bom_interactive.html
+
+
+%/schematic.pdf:
+	mkdir -p $(@D)
+	$(file >${COLORS_DIR}/pdf_export.json,${pdf_export_json})
+	kicad-cli sch export pdf --theme pdf_export --output "$@" --no-background-color "${SCHFILE}"
+	rm "${COLORS_DIR}/pdf_export.json"
+
+
+define LAYERS
+    {'file': "F_Edge_Cuts",   'name': "Edge.Cuts",     'mirror': False, 'border': True},
+    {'file': "F_Cu",          'name': "F.Cu",          'mirror': False, 'border': False},
+    {'file': "F_Paste",       'name': "F.Paste",       'mirror': False, 'border': False},
+    {'file': "F_Fab",         'name': "F.Fab",         'mirror': False, 'border': False},
+    {'file': "User_Drawings", 'name': "User.Drawings", 'mirror': False, 'border': False},
+    {'file': "User_Eco1",     'name': "User.Eco1",     'mirror': False, 'border': False},
+    {'file': "B_Edge_Cuts",   'name': "Edge.Cuts",     'mirror': True,  'border': True},
+    {'file': "B_Cu",          'name': "B.Cu",          'mirror': True,  'border': False},
+    {'file': "B_Paste",       'name': "B.Paste",       'mirror': True,  'border': False},
+    {'file': "B_Fab",         'name': "B.Fab",         'mirror': True,  'border': False},
+endef
+%/assembly_f.pdf %/assembly_b.pdf:
+	mkdir -p $(@D)
+	$(file >${COLORS_DIR}/pdf_export.json,${pdf_export_json})
+	$(file >$(@D)/plot.py,${plot_py})
+	${PYTHON} "$(@D)/plot.py" "${PCBFILE}"
+	qpdf "$(@D)/${NAME}-F_Edge_Cuts.pdf" --overlay "$(@D)/${NAME}-F_Cu.pdf" -- "$(@D)/assembly_f.pdf"
+	qpdf --replace-input "$(@D)/assembly_f.pdf" --overlay "$(@D)/${NAME}-F_Paste.pdf" --
+	qpdf --replace-input "$(@D)/assembly_f.pdf" --overlay "$(@D)/${NAME}-F_Fab.pdf" --
+	qpdf --replace-input "$(@D)/assembly_f.pdf" --overlay "$(@D)/${NAME}-User_Drawings.pdf" --
+	qpdf --replace-input "$(@D)/assembly_f.pdf" --overlay "$(@D)/${NAME}-User_Eco1.pdf" --
+	qpdf "$(@D)/${NAME}-B_Edge_Cuts.pdf" --overlay "$(@D)/${NAME}-B_Cu.pdf" -- "$(@D)/assembly_b.pdf"
+	qpdf --replace-input "$(@D)/assembly_b.pdf" --overlay "$(@D)/${NAME}-B_Paste.pdf" --
+	qpdf --replace-input "$(@D)/assembly_b.pdf" --overlay "$(@D)/${NAME}-B_Fab.pdf" --
+	rm "${COLORS_DIR}/pdf_export.json" "$(@D)/plot.py" "$(@D)/${NAME}-F_Edge_Cuts.pdf" "$(@D)/${NAME}-F_Cu.pdf" "$(@D)/${NAME}-F_Paste.pdf" "$(@D)/${NAME}-F_Fab.pdf" "$(@D)/${NAME}-User_Drawings.pdf" "$(@D)/${NAME}-User_Eco1.pdf" "$(@D)/${NAME}-B_Edge_Cuts.pdf" "$(@D)/${NAME}-B_Cu.pdf" "$(@D)/${NAME}-B_Paste.pdf" "$(@D)/${NAME}-B_Fab.pdf"
+
+
+%/bom.pdf:
+	mkdir -p "$(@D)"
+	kicad-cli sch export python-bom --output "$(@D)/bom.xml" "${SCHFILE}"
+	$(file >$(@D)/bom2csv.xsl,${bom2csv_xsl})
+	xsltproc -o "$(@D)/bom.csv" "$(@D)/bom2csv.xsl" "$(@D)/bom.xml"
+	$(file >$(@D)/bom.rst,${bom_rst})
+	$(file >$(@D)/bom.rst.style,${bom_rst_style})
+	rst2pdf -s "$(@D)/bom.rst.style" "$(@D)/bom.rst" "$@"
+	rm "$(@D)/bom2csv.xsl" "$(@D)/bom.rst" "$(@D)/bom.rst.style" "$(@D)/bom.csv" "$(@D)/bom.xml"
+
+
+# Current KiCad version cannot automatically export 3D or VRML file, so you need to manually do it and save result to out/*_3d.png
+%_3d.jpg: %_3d.png
+	convert "$<" -quality 90 "$@"
+%_3d.pdf: %_3d.jpg
+	convert "$<" -density 250 "$@"
+
+
+PC := %
+.SECONDEXPANSION:
+%/pcb.pdf: $$(@D)/schematic.pdf $$(@D)/assembly_f.pdf $$(@D)/assembly_b.pdf $$(@D)/bom.pdf $$(patsubst $${PC}.png,$${PC}.pdf,$$(wildcard $$(@D)/*_3d.png))
+	qpdf --empty --pages $+ -- "$@"
+	rm $+
+
+pdf: ${PRO_DIR}/out/pcb.pdf
+
+
+
+define plot_py
+import os, pcbnew, sys
+layers = [ ${LAYERS} ]
+board = pcbnew.LoadBoard(sys.argv[1])
+settings_manager = pcbnew.GetSettingsManager()  
+color_settings = settings_manager.GetColorSettings('pdf_export')
+plot_controller = pcbnew.PLOT_CONTROLLER(board)
+plot_controller.SetColorMode(True)
+plot_options = plot_controller.GetPlotOptions()
+plot_options.SetOutputDirectory(os.path.dirname(os.path.abspath(__file__)))
+plot_options.SetPlotInvisibleText(False)
+# plot_options.SetPlotPadsOnSilkLayer(False)
+plot_options.SetUseAuxOrigin(False)
+plot_options.SetScale(1.0)
+plot_options.SetAutoScale(False)
+# plot_options.SetPlotMode(PLOT_MODE)
+# plot_options.SetLineWidth(2000)
+plot_options.SetNegative(False)
+plot_options.SetPlotValue(True)
+plot_options.SetPlotReference(True)
+plot_options.SetPlotViaOnMaskLayer(True)
+plot_options.SetColorSettings(color_settings)
+plot_options.SetBlackAndWhite(False)
+for layer in layers:
+    layer_id = board.GetLayerID(layer['name'])
+    if pcbnew.IsCopperLayer(layer_id):
+        plot_options.SetDrillMarksType(pcbnew.DRILL_MARKS_FULL_DRILL_SHAPE)
+    else:
+        plot_options.SetDrillMarksType(pcbnew.DRILL_MARKS_NO_DRILL_SHAPE)
+    plot_options.SetPlotFrameRef(layer['border'])
+    plot_options.SetMirror(layer['mirror'])
+    plot_controller.SetLayer(layer_id)
+    plot_controller.OpenPlotfile(layer['file'], pcbnew.PLOT_FORMAT_PDF, '')
+    plot_controller.PlotLayer()
+endef
+
+
+define pdf_export_json
+{
+  "3d_viewer": {
+    "background_bottom": "rgb(102, 102, 128)",
+    "background_top": "rgb(204, 204, 230)",
+    "board": "rgba(51, 43, 23, 0.902)",
+    "copper": "rgb(179, 156, 0)",
+    "silkscreen_bottom": "rgb(230, 230, 230)",
+    "silkscreen_top": "rgb(230, 230, 230)",
+    "soldermask_bottom": "rgba(20, 51, 36, 0.831)",
+    "soldermask_top": "rgba(20, 51, 36, 0.831)",
+    "solderpaste": "rgb(128, 128, 128)",
+    "use_board_stackup_colors": true
+  },
+  "board": {
+    "anchor": "rgb(255, 38, 226)",
+    "aux_items": "rgb(255, 255, 255)",
+    "b_adhes": "rgb(0, 0, 132)",
+    "b_crtyd": "rgb(38, 233, 255)",
+    "b_fab": "rgb(0, 0, 0)",
+    "b_mask": "rgba(0, 132, 0, 0.300)",
+    "b_paste": "rgba(0, 132, 0, 0.300)",
+    "b_silks": "rgb(255, 0, 0)",
+    "background": "rgb(255, 255, 255)",
+    "cmts_user": "rgb(89, 148, 220)",
+    "conflicts_shadow": "rgba(255, 0, 5, 0.502)",
+    "copper": {
+      "b": "rgba(0, 132, 0, 0.100)",
+      "f": "rgba(0, 132, 0, 0.100)",
+      "in1": "rgb(127, 200, 127)",
+      "in10": "rgb(237, 124, 51)",
+      "in11": "rgb(91, 195, 235)",
+      "in12": "rgb(247, 111, 142)",
+      "in13": "rgb(167, 165, 198)",
+      "in14": "rgb(40, 204, 217)",
+      "in15": "rgb(232, 178, 167)",
+      "in16": "rgb(242, 237, 161)",
+      "in17": "rgb(237, 124, 51)",
+      "in18": "rgb(91, 195, 235)",
+      "in19": "rgb(247, 111, 142)",
+      "in2": "rgb(206, 125, 44)",
+      "in20": "rgb(167, 165, 198)",
+      "in21": "rgb(40, 204, 217)",
+      "in22": "rgb(232, 178, 167)",
+      "in23": "rgb(242, 237, 161)",
+      "in24": "rgb(237, 124, 51)",
+      "in25": "rgb(91, 195, 235)",
+      "in26": "rgb(247, 111, 142)",
+      "in27": "rgb(167, 165, 198)",
+      "in28": "rgb(40, 204, 217)",
+      "in29": "rgb(232, 178, 167)",
+      "in3": "rgb(79, 203, 203)",
+      "in30": "rgb(242, 237, 161)",
+      "in4": "rgb(219, 98, 139)",
+      "in5": "rgb(167, 165, 198)",
+      "in6": "rgb(40, 204, 217)",
+      "in7": "rgb(232, 178, 167)",
+      "in8": "rgb(242, 237, 161)",
+      "in9": "rgb(141, 203, 129)"
+    },
+    "cursor": "rgb(255, 255, 255)",
+    "dwgs_user": "rgb(0, 0, 0)",
+    "eco1_user": "rgb(0, 0, 0)",
+    "eco2_user": "rgb(0, 0, 72)",
+    "edge_cuts": "rgb(72, 72, 0)",
+    "f_adhes": "rgb(132, 0, 132)",
+    "f_crtyd": "rgb(255, 38, 226)",
+    "f_fab": "rgb(0, 0, 0)",
+    "f_mask": "rgba(0, 132, 0, 0.300)",
+    "f_paste": "rgba(0, 132, 0, 0.300)",
+    "f_silks": "rgb(255, 0, 0)",
+    "footprint_text_invisible": "rgb(132, 132, 132)",
+    "grid": "rgb(194, 194, 194)",
+    "grid_axes": "rgb(72, 72, 72)",
+    "locked_shadow": "rgba(255, 38, 226, 0.502)",
+    "margin": "rgb(255, 38, 226)",
+    "pad_plated_hole": "rgb(194, 194, 0)",
+    "pad_through_hole": "rgb(227, 183, 46)",
+    "page_limits": "rgb(132, 132, 132)",
+    "plated_hole": "rgb(26, 196, 210)",
+    "ratsnest": "rgba(0, 248, 255, 0.349)",
+    "user_1": "rgb(194, 194, 194)",
+    "user_2": "rgb(89, 148, 220)",
+    "user_3": "rgb(180, 219, 210)",
+    "user_4": "rgb(216, 200, 82)",
+    "user_5": "rgb(194, 194, 194)",
+    "user_6": "rgb(89, 148, 220)",
+    "user_7": "rgb(180, 219, 210)",
+    "user_8": "rgb(216, 200, 82)",
+    "user_9": "rgb(232, 178, 167)",
+    "via_blind_buried": "rgb(187, 151, 38)",
+    "via_hole": "rgb(227, 183, 46)",
+    "via_micro": "rgb(0, 132, 132)",
+    "via_through": "rgb(236, 236, 236)",
+    "worksheet": "rgb(200, 114, 171)"
+  },
+  "meta": {
+    "name": "pdf_export",
+    "version": 5
+  },
+  "schematic": {
+    "anchor": "rgb(0, 0, 255)",
+    "aux_items": "rgb(0, 0, 0)",
+    "background": "rgb(245, 244, 239)",
+    "brightened": "rgb(255, 0, 255)",
+    "bus": "rgb(0, 0, 132)",
+    "bus_junction": "rgb(0, 0, 132)",
+    "component_body": "rgb(255, 255, 194)",
+    "component_outline": "rgb(132, 0, 0)",
+    "cursor": "rgb(15, 15, 15)",
+    "fields": "rgb(132, 0, 132)",
+    "grid": "rgb(181, 181, 181)",
+    "grid_axes": "rgb(0, 0, 132)",
+    "hidden": "rgb(94, 194, 194)",
+    "hovered": "rgb(0, 0, 255)",
+    "junction": "rgb(0, 150, 0)",
+    "label_global": "rgb(132, 0, 0)",
+    "label_hier": "rgb(114, 86, 0)",
+    "label_local": "rgb(15, 15, 15)",
+    "netclass_flag": "rgb(72, 72, 72)",
+    "no_connect": "rgb(0, 0, 132)",
+    "note": "rgb(0, 0, 194)",
+    "note_background": "rgba(0, 0, 0, 0.000)",
+    "override_item_colors": false,
+    "page_limits": "rgb(181, 181, 181)",
+    "pin": "rgb(132, 0, 0)",
+    "pin_name": "rgb(0, 100, 100)",
+    "pin_number": "rgb(169, 0, 0)",
+    "private_note": "rgb(72, 72, 255)",
+    "reference": "rgb(0, 100, 100)",
+    "shadow": "rgba(102, 179, 255, 0.800)",
+    "sheet": "rgb(132, 0, 0)",
+    "sheet_background": "rgba(255, 255, 255, 0.000)",
+    "sheet_fields": "rgb(132, 0, 132)",
+    "sheet_filename": "rgb(114, 86, 0)",
+    "sheet_label": "rgb(0, 100, 100)",
+    "sheet_name": "rgb(0, 100, 100)",
+    "value": "rgb(0, 100, 100)",
+    "wire": "rgb(0, 150, 0)",
+    "worksheet": "rgb(132, 0, 0)"
+  }
+}
+endef
+
+
+define bom2csv_xsl
+<!--XSL style sheet to convert EESCHEMA XML Partlist Format to grouped CSV BOM Format
+    Copyright (C) 2014, Wolf Walter.
+    Copyright (C) 2013, Stefan Helmert.
+    GPL v2.
+-->
+
+<!DOCTYPE xsl:stylesheet [
+  <!ENTITY nl  "&#xd;&#xa;">    <!--new line CR, LF, or LF, your choice -->
+]>
+
+<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
+	<xsl:output method="text"/>
+	<xsl:key name="partTypeByValueAndFootprint" match="comp" use="concat(footprint, '-', value)" />
+	<xsl:key name="headentr" match="field" use="@name"/>
+
+	<xsl:template match="/export">
+	    <xsl:text>References, Value, Footprint, Qty</xsl:text>
+	    <xsl:apply-templates select="components"/>
+	</xsl:template>
+
+	<xsl:template match="components">
+	    <!-- for Muenchian grouping of footprint and value combination -->
+	    <xsl:for-each select="comp[count(. | key('partTypeByValueAndFootprint', concat(footprint, '-', value))[1]) = 1]">
+		<xsl:sort select="@ref" />
+		<xsl:text>&nl;</xsl:text>
+		<!-- list of all references -->
+		<xsl:for-each select="key('partTypeByValueAndFootprint', concat(footprint, '-', value))">
+			<xsl:sort select="@ref" />
+			<xsl:value-of select="@ref"/><xsl:text> </xsl:text>
+		</xsl:for-each><xsl:text>,</xsl:text>
+		<!-- quantity of parts with same footprint and value -->
+		<xsl:value-of select="value"/><xsl:text>,</xsl:text>
+		<xsl:value-of select="footprint"/><xsl:text>,</xsl:text>
+		<xsl:value-of select="count(key('partTypeByValueAndFootprint', concat(footprint, '-', value)))"/>
+	    </xsl:for-each>
+	</xsl:template>
+ </xsl:stylesheet>
+endef
+
+
+define bom_rst
+Bill Of Materials
+-----------------
+.. csv-table::
+	:file: bom.csv
+	:header-rows: 1
+	:widths: 4,4,5,1
+.. footer:: ${NAME} rev.${REV} BOM page ###Page###/###Total###
+endef
+
+define bom_rst_style
+pageSetup:
+  spacing-footer: 0mm
+  spacing-header: 0mm
+  margin-bottom: 5mm
+  margin-gutter: 0mm
+  margin-left: 7mm
+  margin-right: 7mm
+  margin-top: 5mm
+styles:
+  base
+    fontSize: 9
+  table-heading:
+    fontName: stdBold
+endef
+
+
+export PATH:=/cygdrive/c/Program Files/KiCad/${KICAD_VER}/bin:/cygdrive/c/Program Files/qpdf/bin:${PATH}