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diff --git a/extrusion/lydia-print-head-hydra/software/modbus/MbPoll_v9.4.0_cracked.exe b/extrusion/lydia-print-head-hydra/software/modbus/MbPoll_v9.4.0_cracked.exe
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index ba709af73..a40ca5599 100644
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index 9270c35b7..c30a320b0 100644
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index 75ce07784..7ed4c8d3c 100644
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index de457dc70..66519b437 100644
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diff --git a/projects/AR4-6DOF-Robot/cad/Teensy 4.1 .SLDPRT b/projects/AR4-6DOF-Robot/cad/Teensy 4.1 .SLDPRT
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--- a/projects/AR4-6DOF-Robot/cad/fan 40mm.SLDPRT	
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diff --git a/projects/AR4-6DOF-Robot/firmware/AR4 HMI interface 4.0 exe/.gitignore b/projects/AR4-6DOF-Robot/firmware/AR4 HMI interface 4.0 exe/.gitignore
new file mode 100644
index 000000000..eebcd1792
--- /dev/null
+++ b/projects/AR4-6DOF-Robot/firmware/AR4 HMI interface 4.0 exe/.gitignore	
@@ -0,0 +1,75 @@
+# Logs
+ErrorLog
+documents/isos
+logs
+archives
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+academy
+~$*.SLDDRW
+~$*.SLDPRT
+~$*.SLDASM
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+_site
+.jekyll-cache
+.jekyll-metadata
+*.tar
+*.avi
+*.mp4
+
+_algolia_api_key
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# TypeScript v1 declaration files
+typings/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+
+# next.js build output
+.next
diff --git a/projects/AR4-6DOF-Robot/firmware/AR4 HMI interface 4.0 exe/ErrorLog b/projects/AR4-6DOF-Robot/firmware/AR4 HMI interface 4.0 exe/ErrorLog
index aa30e8fd1..9aee92c3b 100644
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