Ryan Malloy 613611d37a Add ESP32-S2 firmware for HMC472A attenuator control ...

PlatformIO/Arduino firmware for WEMOS/LOLIN S2 Mini:
- 6-bit GPIO control (GPIOs 1-6) with glitch-free register writes
- REST API: /status, /set, /config, /sweep endpoints
- Web UI with PCB green theme, slider, presets, pin visualization
- NVS persistence of attenuation setting across power cycles
- Sweep mode for automated attenuation stepping
- mDNS (attenuator.local), OTA updates, watchdog

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datasheet

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docs

Initial commit: HMC472A attenuator module reference materials

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firmware

Add ESP32-S2 firmware for HMC472A attenuator control

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marketing

Initial commit: HMC472A attenuator module reference materials

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

CLAUDE.md

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Description

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

4.8 MiB

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