CYD Olympic Scoreboard (Milano Cortina 2026)

ESP32-2432S028 (CYD) firmware for an Olympics dashboard with:

• live medal table
• daily event schedule
• favorite-country medal alerts
• optional alert audio playback from SPIFFS

Features

• Medal table from NBC Olympics medals API (OWG2026)
• Daily schedule from NBC Olympics schedule API
• Favorite country highlight (FOCUS_TEAM_ABBR) and medal delta alerts
• Full-screen alert popup when favorite country wins new medals
• Optional audio playback on alert (/audio/o_canada.wav)
• Automatic page rotation between MEDALS and SCHEDULE
• SPIFFS-first country flag loading with runtime cache fallback

Build Environment

Default PlatformIO environment is pinned for reproducibility:

pio run -e esp32-cyd-sdfix

Flashing

Firmware upload:

pio run -e esp32-cyd-sdfix -t upload

SPIFFS upload:

pio run -e esp32-cyd-sdfix -t uploadfs

Clean + full erase + reflash sequence:

pio run -e esp32-cyd-sdfix -t clean
pio run -e esp32-cyd-sdfix -t erase
pio run -e esp32-cyd-sdfix -t upload
pio run -e esp32-cyd-sdfix -t uploadfs

Configuration

Edit include/config.h:

• WIFI_SSID_1 / WIFI_PASSWORD_1
• optional fallback Wi-Fi: WIFI_SSID_2 / WIFI_PASSWORD_2
• FOCUS_TEAM_ABBR (favorite country NOC code, e.g. CAN, USA, NOR)
• TZ_INFO (local time/countdown display)
• ANTHEM_DAC_PIN, ANTHEM_DAC_PIN_ALT, ANTHEM_GAIN_PCT

Use include/config.example.h for reference.

SPIFFS Assets

Expected paths under data/:

• data/audio/o_canada.wav <--find and update if your not lucky enough to be Canadian :) must be .wav, 8-bit works if size is an issue, best audio if 16-bit
• data/flags/56/<NOC>.png
• data/flags/64/<NOC>.png
• data/flags/96/<NOC>.png
• optional fallback data/flags/<NOC>.png

See README_AUDIO.md for audio format details.

Data Sources

• Medals by country: https://sdf.nbcolympics.com/v1/widget/medals/country?competitionCode=OWG2026
• Medals by sport (favorite-country alert attribution): https://sdf.nbcolympics.com/v1/widget/medals/sport?competitionCode=OWG2026&sportCode=<CODE>
• Daily schedule: https://schedules.nbcolympics.com/api/v1/schedule?startDate=YYYY-MM-DD

Support

If you enjoy what I’m making and want to support more late-night builds, experiments, and ideas turning into reality, it's genuinely appreciated.

Buy Me a Coffee