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References: Wireless Connectivity and Internet of Things

  1. Internet of things - Wikipedia - Explains how everyday devices connect and share data over networks. Sets the big-picture context for this chapter's wireless projects.

  2. Wi-Fi - Wikipedia - Describes how devices join wireless networks, including SSIDs and access points. Directly supports the chapter's Pico W / ESP32 connection steps.

  3. MQTT - Wikipedia - Covers the lightweight publish/subscribe protocol popular for IoT messaging. Background for the chapter's data-sending examples.

  4. MicroPython for the Internet of Things - Charles Bell - Apress - A project-driven book on connecting microcontrollers to networks and the cloud, closely matching this chapter's goals.

  5. Building the Web of Things - Dominique Guinard & Vlad Trifa - Manning - Explains designing connected devices and simple web APIs, complementing the chapter's web-server work.

  6. network - MicroPython - Official reference for the networking module used to manage Wi-Fi connections. The authoritative source for the chapter's connection code.

  7. network.WLAN - MicroPython - Reference for joining a Wi-Fi network and checking connection status. Directly supports the chapter's connect() examples.

  8. Raspberry Pi Pico W Web Server (MicroPython) - Random Nerd Tutorials - Step-by-step guide to serving a web page that controls hardware from the Pico W. Mirrors this chapter's web-server project.

  9. MQTT.org - MQTT - The official home of the MQTT standard with documentation and broker links. A reference for the chapter's IoT messaging discussion.

  10. Raspberry Pi Pico Series Documentation - Raspberry Pi - Official documentation covering the Pico W's wireless hardware. Authoritative background for the board used in this chapter.