diff --git a/hardware/Rakefile b/hardware/Rakefile
index 0219c71..9795cdb 100644
--- a/hardware/Rakefile
+++ b/hardware/Rakefile
@@ -4,26 +4,34 @@ require 'rake/clean'
 # project variables
 # =================
 
-# main name used if filename
-target = IO.read("name").split("\n")[0]
-raise "define project name in 'name' file" unless target
-# schema
-sch = "#{target}.sch"
-# pcb layout
-pcb = "#{target}.pcb"
+# main names used for filenames
+names = IO.read("name").split("\n").select {|target| !target.empty?}
+raise "define project name(s) in 'name' file" if names.empty?
+
 # project version, read from "version" file
 version = IO.read("version").split("\n")[0]
 raise "define project version in 'version' file" unless version
 # current date for stamping output
 date = Time.now.strftime("%Y-%m-%d")
-# schematic revision, based on the number of schematic commits)
-sch_rev = `git log --pretty=oneline "#{sch}" | wc -l`.chomp.to_i
-# pcb layout revision, based on the number of pcb commits)
-pcb_rev = `git log --pretty=oneline "#{pcb}" | wc -l`.chomp.to_i
-# schema name with version and revition
-vsch = "#{target}_v#{version}.#{sch_rev.to_s.rjust(3,'0')}.sch"
-# pcb layout name with version and revition
-vpcb = "#{target}_v#{version}.#{pcb_rev.to_s.rjust(3,'0')}.pcb"
+
+# create targets for each name
+targets = []
+names.each do |name|
+  # schema
+  sch = "#{name}.sch"
+  # pcb layout
+  pcb = "#{name}.pcb"
+  # schematic revision, based on the number of schematic commits
+  sch_rev = `git log --pretty=oneline "#{sch}" | wc -l`.chomp.to_i
+  # pcb layout revision, based on the number of pcb commits
+  pcb_rev = pcbs.collect {|pcb| `git log --pretty=oneline "#{pcb}" | wc -l`.chomp.to_i}
+  # schema name with version and revition
+  vsch = "#{name}_v#{version}.#{sch_rev.to_s.rjust(3,'0')}.sch"
+  # pcb layout name with version and revition
+  vpcb = "#{name}_v#{version}.#{pcb_rev.to_s.rjust(3,'0')}.pcb"
+  # add to targets
+  targets << { name: name, sch: sch, pcb: pcb, sch_rev: sch_rev, pcb_rev: pcb_rev, vsch: vsch, vpcb: vpcb }
+end
 
 # ==========
 # main tasks
@@ -37,11 +45,13 @@ task :release => "hardware-release_v#{version}.tar.gz"
 CLOBBER.include("hardware-release_v#{version}.tar.gz")
 
 desc "set version in schematic and layout"
-task :version => [vsch,vpcb]
-CLEAN.include(vsch)
-CLEAN.include(vpcb)
-CLOBBER.include("#{target}_*.sch")
-CLOBBER.include("#{target}_*.pcb")
+task :version => targets.collect{|target| [target[:vsch],target[:vpcb]}.flatten
+targets.each do |target|
+  CLEAN.include(target[:vsch])
+  CLEAN.include(target[:vpcb])
+  CLOBBER.include("#{target[:name]}_*.sch")
+  CLOBBER.include("#{target[:name]}_*.pcb")
+end
 
 desc "print schematic and layout (as pdf)"
 task :print => ["#{target}_schematic.pdf","#{target}_layout.pdf"]
@@ -142,29 +152,33 @@ CLEAN.include("attribs")
 # ===============
 
 desc "copy schematic to version it: include version, revision, and date"
-file vsch => sch do |t|
-  sh "cp #{t.prerequisites.join(' ')} #{t.name}"
-  # on \ is to prevent ruby interpreting it, th other is for sed
-  # the version
-  sh "sed -i 's/\\(version=\\)\\$Version\\$/\\1#{version}/' #{t.name}"
-  # the date
-  sh "sed -i 's/\\(date=\\)\\$Date\\$/\\1#{date}/' #{t.name}"
-  # the revision
-  sh "sed -i 's/\\(revision=\\)\\$Revision\\$/\\1#{sch_rev}/' #{t.name}"
+tagerts.each do |target|
+  file tagert[:vsch] => target[:sch] do |t|
+    sh "cp #{t.prerequisites.join(' ')} #{t.name}"
+    # on \ is to prevent ruby interpreting it, th other is for sed
+    # the version
+    sh "sed -i 's/\\(version=\\)\\$Version\\$/\\1#{version}/' #{t.name}"
+    # the date
+    sh "sed -i 's/\\(date=\\)\\$Date\\$/\\1#{date}/' #{t.name}"
+    # the revision
+    sh "sed -i 's/\\(revision=\\)\\$Revision\\$/\\1#{sch_rev}/' #{t.name}"
+  end
 end
 
 desc "copy layout to version it: include version, date, and run teardrops when available"
-file vpcb => pcb do |t|
-  sh "cp #{t.prerequisites.join(' ')} #{t.name}"
-  # on \ is to prevent ruby interpreting it, th other is for sed
-  # the version and revision
-  version_revision = "v#{version}.#{pcb_rev.to_s.rjust(3,'0')}"
-  sh "sed -i 's/\\$version\\$/#{version_revision}/' #{t.name}"
-  # the date
-  sh "sed -i 's/\\$date\\$/#{date}/' #{t.name}"
-  # run teardrop for vias and pins
-  if File.exist? "#{Dir.home}/.pcb/plugins/teardrops.so" then
-    sh "pcb --action-string \"djopt(splitlines) Teardrops() s() q()\" #{t.name}"
+tagerts.each do |target|
+  file tagert[:vpcb] => target[:pcb] do |t|
+    sh "cp #{t.prerequisites.join(' ')} #{t.name}"
+    # on \ is to prevent ruby interpreting it, th other is for sed
+    # the version and revision
+    version_revision = "v#{version}.#{pcb_rev.to_s.rjust(3,'0')}"
+    sh "sed -i 's/\\$version\\$/#{version_revision}/' #{t.name}"
+    # the date
+    sh "sed -i 's/\\$date\\$/#{date}/' #{t.name}"
+    # run teardrop for vias and pins
+    if File.exist? "#{Dir.home}/.pcb/plugins/teardrops.so" then
+      sh "pcb --action-string \"djopt(splitlines) Teardrops() s() q()\" #{t.name}"
+    end
   end
 end