Course module 3
Communication and Setup
A separate editable page for this module makes the course easier to maintain and expand from the home server.
Lesson list
- RS-232 basics in plain English
- Handshaking and why old plotters care
- USB-to-serial adapters and common problems
- Safe first connection tests
- How to isolate cable, sender, or plotter issues
Why this module matters
This is where many beginners get stuck, so it needs calm step-by-step explanations and quick test wins.
Lesson script starter
- What you'll learn
- Why it matters
- The concept in simple language
- Real example
- Common mistake
- Quick recap
- Mini task or test