 Alex Petrochenko
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8f0df02e77
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Initial commit: v1.9.1 production firmware
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
v1.9.1
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2026-01-03 14:01:31 +00:00 |
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