Bounty: Add USB Power Delivery Trigger HAT tutorial

[BossChaos]

Bounty Request

Add a comprehensive tutorial for building a USB Power Delivery Trigger HAT.

Requirements:

• USB PD controller (FP28XX/CH224K/PD2001)
• Voltage negotiation (5V-20V)
• Terminal block outputs
• Status LED
• Filtering capacitors

Expected deliverable:
A complete tutorial in docs/tutorials/ with:

• Step-by-step circuit design
• Schematic and 3D previews
• Bill of materials
• Testing procedures
• Example code

[BossChaos]

/claim #601

PR: #598

Tutorial covers:

• USB PD trigger board design with FP28XX/CH224K/PD2001
• Voltage negotiation (5V-20V) from USB-C power supplies
• Terminal block outputs and status LED
• Filtering capacitors and PCB layout
• Testing procedures and safety considerations

Wallet for bounty: 0xdaE5d307339074A24F579dB48e7c639359D94904

[BossChaos]

🎯 Tutorial done! PR: #609

Complete guide covering circuit design, components, PCB layout, and firmware. Wallet: 0xdaE5d307339074A24F579dB48e7c639359D94904

[zp6]

PR submitted: #613

Wallet: zp6