Alex Petrochenko
8f0df02e77
Complete reverse engineering of TJ-56-654 weather clock from AliExpress. Security fixes: - Eliminated WiFi password leak vulnerability - Removed dependency on Chinese cloud services (QWeather) - Secure WiFiManager captive portal setup - No hardcoded credentials Features: - Fully async architecture (zero blocking operations) - OTA firmware updates (web + ArduinoOTA) - NTP time sync with timezone + DST support - Open-Meteo weather API (free, no registration) - 3 display modes: time, weather, sunrise/sunset - REST API + web interface - EEPROM config persistence Performance: - Loop time: <1ms (was 10ms+) - Memory: 409KB flash (38%), 38KB RAM (46%), 62KB IRAM (94%) - Zero blocking delays Hardware: - ESP-01S (ESP8266EX, 1MB flash) - GM009605v4.3 OLED display (128x64, I2C) - Custom I2C mapping: SDA=GPIO0, SCL=GPIO2 Documentation: - Complete installation guide - Hardware specifications - API documentation - Troubleshooting guide - Version history v1.5 → v1.9.1 Built with Claude Code (Opus 4.5) Author: Andrey Petrochenko Date: 2026-01-03
74 lines
2.1 KiB
YAML
74 lines
2.1 KiB
YAML
name: Build Firmware
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on:
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push:
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branches: [ main ]
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pull_request:
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branches: [ main ]
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release:
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types: [ created ]
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jobs:
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build:
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runs-on: ubuntu-latest
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steps:
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- name: Checkout code
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uses: actions/checkout@v3
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- name: Setup Arduino CLI
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uses: arduino/setup-arduino-cli@v1
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- name: Install ESP8266 platform
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run: |
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arduino-cli core update-index
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arduino-cli core install esp8266:esp8266
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- name: Install libraries
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run: |
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arduino-cli lib install "Adafruit GFX Library"
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arduino-cli lib install "Adafruit SSD1306"
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arduino-cli lib install "NTPClient"
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arduino-cli lib install "WiFiManager"
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arduino-cli lib install "AsyncHTTPRequest_Generic"
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arduino-cli lib install "ESPAsyncTCP"
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- name: Compile firmware
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run: |
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arduino-cli compile --fqbn esp8266:esp8266:generic \
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--build-property "build.flash_size=1M64" \
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--build-property "build.flash_mode=dio" \
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--output-dir build \
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src/clock_ntp_ota_v1.9.ino
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- name: Check firmware size
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run: |
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SIZE=$(stat -c%s "build/clock_ntp_ota_v1.9.ino.bin")
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echo "Firmware size: $SIZE bytes"
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MAX_SIZE=470000 # 470KB max for OTA
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if [ $SIZE -gt $MAX_SIZE ]; then
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echo "ERROR: Firmware too large ($SIZE > $MAX_SIZE)"
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exit 1
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fi
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- name: Upload build artifacts
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uses: actions/upload-artifact@v3
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with:
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name: firmware
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path: |
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build/clock_ntp_ota_v1.9.ino.bin
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build/clock_ntp_ota_v1.9.ino.elf
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build/clock_ntp_ota_v1.9.ino.map
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retention-days: 30
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- name: Upload release assets
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if: github.event_name == 'release'
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uses: actions/upload-release-asset@v1
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env:
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GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
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with:
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upload_url: ${{ github.event.release.upload_url }}
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asset_path: build/clock_ntp_ota_v1.9.ino.bin
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asset_name: esp8266-weather-clock-${{ github.event.release.tag_name }}.bin
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asset_content_type: application/octet-stream
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