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Techposts / TankSync

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Solar-powered long-range water-tank monitor — LoRa to an ESP32 hub with OLED + LED indicators. MQTT-native + Home Assistant integration via HACS. Open firmware (AGPL-3.0), open hardware (CC BY-SA 4.0). Works fully offline; hosted PWA optional. First product in the SmartGhar ecosystem.

mqtt iot esp32 open-hardware agpl home-assistant lora esp-idf ultrasonic-sensor hacs local-first rylr998 solar-powered smartghar water-tank-monitor
  • Updated May 27, 2026
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