diff --git a/Resources.md b/Resources.md
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--- a/Resources.md
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@@ -1,3 +1,5 @@
+# Resources
+
 ## Computer Science modules
 
 [Welcome to CS](https://runestone.academy/ns/books/published/welcomecs/index.html)
@@ -6,6 +8,12 @@
 
 [Tiny Python Projects (O'Reilly)](https://learning.oreilly.com/library/view/tiny-python-projects/9781617297519/)
 
+[Learning Arduino with Python](https://realpython.com/arduino-python/)
+
 ## C
 
 [Everything I wish I knew when I started learning C](https://tmewett.com/c-tips/)
+
+## Electronics
+
+[How do transistors work, anyway?](https://lcamtuf.substack.com/p/how-do-transistors-work-anyway)