Ethernet Illustrated: Cables, T568, Wiring & RJ45 Indicators

It explains Ethernet cable types, T568 wiring standards and RJ45 indicator lights.

ruilixin6

Published August 22, 2026

Project description

【Preliminary Note】The original hardware example in this article was written based on the RP2040. The actual hardware used in this hands-on demonstration features the W55RP20 as the main controller chip. The circuit logic and UF2 flashing operation principles are universally applicable, with only the main controller model differing. The original chip model mentioned in the circuit descriptions below is provided for reference purposes only. Transmission Medium Common transmission media for Ethernet include the following types: Coaxial Cable Composed of central conductor, insulating layer…

Keep reading with a free account

Guests can read 15 projects per visit. Log in or create a free account to read the full description, open the documents and join the comments.

Similar projects you might like

Practical MicroPython file read‑write demo for Pico on‑chip temperature logging

Getting Started with MicroPython File I/O: Pico Temperature Logging Demo

ruilixin6

Views 162
Comments 0

Full analysis of MicroPython file‑system‑related software interfaces including os module, vfs virtual file‑system module and vfs.AbstractBlockDev abstract block

MicroPython File‑System API: os, vfs and Abstract Block‑Device Explained

ruilixin6

Views 162
Comments 0

Beginner‑friendly complete guide covering MicroPython memory layout, Flash/SRAM partitions, VFS, block‑devices, FAT and LittleFS underlying working principles

One‑of‑a‑Kind Guide: MicroPython Storage & File‑System Internals, Beginner‑Friendly Complete Tutoria

ruilixin6

Views 188
Comments 0

In‑depth introduction to RP2040 underlying memory architecture including ROM, multi‑bank SRAM, XIP external Flash and address‑mapping mechanism

Dig Into Raspberry‑Pi Pico Memory Internals: Complete Breakdown of ROM, SRAM and Flash

ruilixin6

Views 233
Comments 0

Essential embedded knowledge covering MCU main‑memory, external‑memory and address‑space system

MCU Memory Explained: Main Memory, External Memory & Address‑Space for Embedded Beginners

ruilixin6

Views 210
Comments 0

RP2040 scatter‑gather data aggregation implementation based on MicroPython DMA hardware chained‑trigger mechanism

Scatter‑Gather Data Aggregation Implemented With MicroPython DMA Chained Trigger

ruilixin6

Views 168
Comments 0

RP2040 DMA ping‑pong buffer solves MicroPython ADC main‑loop slowdown

Fix MicroPython ADC Main‑Loop Lag: DMA + Ping‑Pong Buffering

ruilixin6

Views 168
Comments 0