diff --git a/enter/.obsidian/workspace.json b/enter/.obsidian/workspace.json
index 815c5a1..33d6b17 100644
--- a/enter/.obsidian/workspace.json
+++ b/enter/.obsidian/workspace.json
@@ -162,13 +162,13 @@
   "active": "012e39cfd1f0b5b6",
   "lastOpenFiles": [
     "Coding Tips (Classical)/Project Vault/Communication Projects/Typewriter/typewriter Keys.md",
+    "Coding Tips (Classical)/Project Vault/Communication Projects/Typewriter/Related Projects.md",
     "Machine Tips (Quantum)/NYU Haqathon.md",
     "Coding Tips (Classical)/Project Vault/Communication Projects/WRITTEN TEXT/E-Mail Templates.md",
     "Coding Tips (Classical)/Project Vault/Current Occupations/Shwetha Jayaraj Notes.md",
     "Machine Tips (Quantum)/GPU.md",
     "Machine Tips (Quantum)/Quantum spaces.canvas",
     "Coding Tips (Classical)/Project Vault/About Obsidian/Advanced Slides.md",
-    "Coding Tips (Classical)/Project Vault/Communication Projects/Typewriter/Related Projects.md",
     "Coding Tips (Classical)/Project Vault/Communication Projects/Typewriter/gx6750.pdf",
     "Coding Tips (Classical)/Project Vault/Current Occupations/Website  Projects/hi.shwethajayaraj/Credits.md",
     "Coding Tips (Classical)/Project Vault/Current Occupations/Website  Projects/QRG INK designs/LOGO  for Qrg Ink.md",
diff --git a/enter/Coding Tips (Classical)/Project Vault/Communication Projects/Typewriter/Related Projects.md b/enter/Coding Tips (Classical)/Project Vault/Communication Projects/Typewriter/Related Projects.md
index db56429..8044183 100644
--- a/enter/Coding Tips (Classical)/Project Vault/Communication Projects/Typewriter/Related Projects.md	
+++ b/enter/Coding Tips (Classical)/Project Vault/Communication Projects/Typewriter/Related Projects.md	
@@ -5,4 +5,8 @@
 - This[ Project Typewriter](http://numist.net/post/2010/project-typewriter.html) post by Numist
 	- additionally here is the [github](https://github.com/numist/project-typewriterl)
 - Arvind Sanjeev's [project](https://arvindsanjeev.com/ghostwriter.html) & [github](https://github.com/ArvindSanjeev)
-- Turning [typerwriter into linux terminal ](https://habr.com/en/articles/692488/)
\ No newline at end of file
+- Turning [typerwriter into linux terminal ](https://habr.com/en/articles/692488/)
+- This[ arduino code](https://github.com/artillect/serial-typewriter/blob/main/serial-typewriter.ino) for serial input 
+- 6 Channel Logic [analyzer](https://hackaday.io/project/1633/gallery#2033d0fe971a49370cf4122687ad3379) for arduino 
+- FGPA [LED matrix on Beaglebone](https://bikerglen.com/projects/lighting/led-panel-1up/)
+	- [youtube](https://www.youtube.com/watch?v=OIyI8KaPdwk) video 
\ No newline at end of file
diff --git a/enter/Coding Tips (Classical)/Project Vault/Communication Projects/Typewriter/typewriter Keys.md b/enter/Coding Tips (Classical)/Project Vault/Communication Projects/Typewriter/typewriter Keys.md
index 0caada7..ca2f0fb 100644
--- a/enter/Coding Tips (Classical)/Project Vault/Communication Projects/Typewriter/typewriter Keys.md	
+++ b/enter/Coding Tips (Classical)/Project Vault/Communication Projects/Typewriter/typewriter Keys.md	
@@ -31,3 +31,10 @@ Keys to still figure out:
 
 
 
+---
+
+
+## Software Used
+
+- Arduino IDE
+- 
\ No newline at end of file