If your computer has more than one ethernet port, connect the ethernet cable to another port and see if your computer freezes this time. If this fixes the issue, your ethernet port is faulty.

But Ethernet didn’t start with twisted pair cable. [Mark] and [Ben] at The Serial Port YouTube channel are taking a deep dive into the twisted history of Ethernet on twisted pair wiring.

The optional USB programming port is genius—it’s there when you need it but doesn’t clutter the board when you don’t. With its isolated circuits, long-cable safety, and smart Ethernet ...