The first day of little bear pie

• The general content of the course
  • Overview of IOT development
    • Typical hierarchical architecture of the Internet of things
      • Industry Applications - cloud - tube - edge - End
    • Common communication protocols of the Internet of things
      • CoAP- Restricted application protocol
      • MQTT- Message queuing telemetry transmission protocol
      • ModBus
      • OPC-UA
    • Internet of things device access
      • Wired communication technology such as ETH、RS-232、RS-485、USB-M-Bus、PLC
      • Short distance wireless communication technology such as Bluetooth 、WiFi、ZigBee、Z-wave
      • Cellular mobile networks such as 2G、3G、4G、5G
      • LPWA Communication technologies such as SigFox、LoRa、NB-IoT、eMTC
  • Hongmeng equipment development
    • Environment building

      

    • Kernel development
      • task management
      • Software timer
      • Semaphore
      • Event management
      • The mutex
      • Message queue
    • Drive subsystem development
      • operation GPIO、GPIO interrupt 、PWM Output
      • ADC sampling 、I2C Bus 、UART
    • Wireless networking development
      • WIFI AP hotspot ,wifi_hotspot.h Interface profile
      • WIFI STA Connected to the Internet ,wifi_device.h Interface profile
  • How to connect Hongmeng devices to the cloud
    • Hua Wei Yun iot Introduction of the platform
    • Hongmeng development board connects Huawei cloud IOT platform
    • Communication extended version
      • Wisdom street lamp 、 Smart agriculture 、 Intelligent logistics 、 Smart smoke 、 Infrared induction 、 Wisdom well cover
• Understanding of the course content
  • This lesson introduces some knowledge about the development of the Internet of things and the tools and environment used in the development of Hongmeng equipment , And Huawei cloud iot Introduction of the platform and some cases of communication expansion board . It's just the beginning , I feel the content is a little difficult to understand , I don't remember the concept very much .
• Triggered thinking and understanding
  • nothing