Technical Specifications
========================

Microcontroller 
----------------
.. list-table:: 
    :widths: 50 80
    :stub-columns: 1

    * - Module
      - ESP32-S2-MINI-1
    * - SoC
      - Xtensa® singlecore 32-bit LX7 up to 240MHz
    * - Flash
      - 4MB
    * - PSRAM
      - 2MB

Power
------

.. list-table:: 
    :widths: 50 80
    :stub-columns: 1

    * - Battery 
      - LiPo 3.7 V 1000 mAh
    * - Input (USB/Solar panel)
      - 5V @ 500mA


Features
---------

.. list-table:: 
    :widths: 50 80
    :stub-columns: 1

    * - Interface 
      - USB Type C 
    * - 
      - 2.4GHz WiFi 
    * - 
      - UART
    * - Display
      - 2.9" e-paper 
    * - Sensors
      - Capacitive soil moisture probe (analog)
    * - 
      - VEML7700-TR illuminance sensor (digital :math:`I^2C`)
    * - 
      - AHT20 air temperature & relative humidity sensor (digital :math:`I^2C`)
    * - 
      - MAX17048 battery voltage level sensor (digital :math:`I^2C`)


Dimensions
----------

.. list-table:: 
    :widths: 50 80
    :stub-columns: 1

    * - Size 
      - 130x80x7mm
    * - 
      - 132x84x15mm with enclosure
    * - Weight
      - 20g
    * - 
      - 45g with battery


Environment
-----------
.. Caution::
    If the |Product| is placed on the soil close to the plant, be careful at the moment of wattering your plant: avoid splashes 
    or flooding the pot.

.. list-table:: 
    :widths: 50 20 20 20 20 20
    :header-rows: 1
    :stub-columns: 1

    * - Parameter
      - Symbol
      - Min.
      - Typ.
      - Max.
      - Unit
    * - Working temperature [1]_
      - :math:`T_{amb}`
      - 0
      - 25 
      - 60
      - *°C*
    * - Storage temperature [1]_
      - :math:`T_{amb}`
      - 0
      - 25 
      - 60
      - *°C*

.. [1] Based on components datasheets.