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Please stop using Cat5 cables (do this instead)

Cat5 is a common type of cable that's pretty much obsolete now. It caps out at 100Mbps, which you might not notice until you ...
Hackaday

Adding A Serial Port Through An RJ45 Connector

[Mike Lu] likes to add serial ports to his routers to use for debugging but he didn’t want to drill holes in his new RT-N12. After a bit of head-scratching he thought about repurposing the four unused ...
Hackaday

Ethernet For Hackers: The Very Basics

Ethernet is ubiquitous, fast, and simple. You only need two diffpairs (four wires) to establish a 100Mbit link, the hardware is everywhere, you can do Ethernet over long distances easily, and tons of ...
Security

Moving Toward IP Using RJ-45 Connected UTP Wiring

A tutorial on how to use RJ-45 UTP cabling for video transmission and camera control as you migrate toward IP-based wiring An illustration shows a suggested format for connecting analog video ...