Firmware iterations and differences
============================

To download the latest firmware version of Aithinker-Combo for the adapted module hardware, please go to click: :doc:`firmware_download`.

This document compares the differences in the supported command set, hardware and modules of AiThinker-Combo firmware. The following table lists the differences of which command sets are supported by the officially adapted AiThinker-Combo firmware by default for different hardware. Please see the following table.

  .. list-table::
    :header-rows: 1

    * - commmand set
      - Ai-WB2 series
      - BW16 module
      - TB Telink bluetooth series
      - PB PHYplus bluetooth series

    * - Basic command
      - True
      - True
      - True
      - True
      
    * - Wi-Fi command set
      - True
      - True
      - False
      - False
      
    * - TCP/IP command set
      - True
      - True
      - False
      - False
      
      
    * - Bluetooth® Low Energy command set
      - True
      - True
      - True
      - True
      
      
    * - MQTT command set
      - True
      - True
      - False
      - False
      
    * - HTTP command set
      - True
      - True
      - False
      - False
      
    * - Peripheral driver command set
      - True
      - True
      - True
      - True


    * - Cloud platform interconnection commands
      - True
      - True
      - False
      - False
      
      
    * - UART communication pin 
      - | TX: IO16
        | RX: IO7     
      - | TX: PB1
        | RX: PB2      
      - | TB-01:
        | TX: PB0
        | RX: PB1
        |
        | TB-02/TB-03F/TB-04:
        | TX:PB1
        | RX:PA0
      - | PB-01/PB-02:
        | TX: TXD
        | RX: RXD
        |
        | PB-03/PB-03F/PB-03M
        | TXD:P9
        | RXD:P10
     


The following compares the differences between AiThinker-Combo firmware in supporting various distribution network protocols.

   .. list-table::
    :header-rows: 1

    * - Network distribution protocol
      - Ai-WB2 series
      - BW16 module
      - TB Bluetooth series
      - PB plus Bluetooth series

    * - Easy WiFi Config Bluetooth networking
      - False
      - True
      - False
      - False
      
    * - Blufi Bluetooth network  
      - True
      - False
      - False
      - False
      
    * - SmartConfig One-click network configuration
      - True
      - False
      - False
      - False

    * - wechat AirKiss with one button
      - True
      - False
      - False
      - False