The Raspberry Pi foundation released the improved version of their Power-over-Ethernet solution - Pi PoE+ HAT (plus version) with more power delivering capability and better thermal management.
Getting Started with Raspberry Pi Pico : RP2040 Microcontroller Board – Pinout, Schematic and Programming Tutorial
Raspberry Pi Pico Microcontroller Board – Pinout Diagrams
How to Create A Standalone Raspberry Pi Pico C/C++ Project in Windows and Build from Command-Line and VS Code
Noel 230V/90W Digital Temperature Controlled Soldering Iron Review & Teardown