Introduction of projects

The advantages and trend of Internet of Things (IoT).

The advantages of mqtt.

The subscription of mqtt agreement.

The publish introduction of mqtt agreement.

The links of detailed mqtt agreement.

The functions of the project.

Hardware list

FireBeetle-ESP8266/FireBeetle-ESP32 x 2

Digital Push Button x 1

Gravity I2C OLED-2864 x1

Digital Green LED Module V2 x1

LM35 analog linear temperature sensor x 1

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