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SMARTA L v2 Documentation

Overview

The SMARTA L v2 is an IoT device designed for monitoring and controlling water tank levels. It features robust connectivity options including Wi-Fi and LTE, with Bluetooth Low Energy (BLE) for local configuration and sensor communication. User interaction is facilitated by a single physical push button and an OLED display, which provides real-time status updates and menu navigation. The device supports Over-the-Air (OTA) firmware updates, ensuring it can be maintained remotely with features like firmware rollback and factory reset capabilities.

Features

  • BLE – Bluetooth Low Energy - Local communication, configuration, and interaction with BLE water level sensors.
  • LTE Connectivity - Cellular connectivity for remote data transmission and as a fallback to Wi-Fi.
  • Wi-Fi Connectivity - Primary wireless connectivity for cloud communication and OTA updates.
  • Over-the-Air (OTA) Updates - Remote firmware updates with support for HTTP and MQTT-based delivery.
  • Push Button Interface - Physical push button for navigating menus, viewing system information, and performing actions like factory reset and firmware rollback.
  • BLE Water Level Sensor Communication - Details on how the device communicates with external BLE water level sensors.
  • OLED Display Interface - Provides real-time status updates, menu navigation, and operational feedback.
  • MQTT Communication - Lightweight messaging protocol for data exchange between the device and a central broker.
  • Device Settings and Configuration - Comprehensive guide to configurable parameters for operation, sensors, connectivity, and system behavior.
  • Factory Reset - Procedure to revert all configurable settings to their original default values.
  • Firmware Rollback - Mechanism to revert to a previously installed firmware version if an update causes issues.