Ryan Malloy b5794c5f8d Add hardware wiring documentation and KiCad schematic ...

- wiring.md: Pin mapping table, module pinout, logic levels
- wiring-diagram.svg: Visual connection diagram (S2 Mini ↔ HMC472A)
- hmc472-controller.kicad_pro/sch: KiCad project for EDA work

GPIO1-6 → V1-V6 (active-low, 16/8/4/2/1/0.5 dB)
5V VBUS → +5V, GND → GND

2026-02-03 00:04:56 -07:00

datasheet

Add SVG vector extractions from datasheet

2026-02-02 13:42:21 -07:00

docs

Initial commit: HMC472A attenuator module reference materials

2026-02-02 13:41:13 -07:00

firmware

Makefile: use esptool directly, add LittleFS and erase targets

2026-02-02 23:32:07 -07:00

hardware

Add hardware wiring documentation and KiCad schematic

2026-02-03 00:04:56 -07:00

marketing

Initial commit: HMC472A attenuator module reference materials

2026-02-02 13:41:13 -07:00

CLAUDE.md

Track CLAUDE.md with local resource inventory

2026-02-02 13:43:02 -07:00

Description

HMC472A digital RF attenuator controller — ESP32-S3 firmware with USB CDC serial and WiFi REST API

4.8 MiB

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