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1. Use Raspberry Pi 2, 8266 Wi-Fi module, simple receiver (used to connect to Wi-Fi AP) and transmitter to build the Internet of Things. Raspberry Pi 2 as server.
2. Connect the ESP cable on the breadboard, configure different firmware for the ESP, install NodeMCU on the ESP, and install NodeJS on the Raspberry Pi.
Chapters
Chapter 1：Using Raspberry Pi and wireless modules to build the Internet of Things (1) System display (3 minutes and 27 seconds)
Chapter 2：Use Raspberry Pi and wireless modules to build the Internet of Things (2) Wiring (7 minutes and 32 seconds)
Chapter 3：Use Raspberry Pi and wireless modules to build the Internet of Things (3) NodeMCU open source Internet of Things platform (8 minutes and 47 seconds)
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