Cat.1技术是LTE（Long-Term Evolution）技术的一种调制及编码技术，可以提供相对较高的数据传输速率，同时又具有低功耗、低成本的特点，可以为物联网设备的连接提供更好的解决方案。

适用于ESP32和ESP8266板、树莓派Pico的外壳3D模型

Pico W Datasheet

In this book, we’ll look at how to get started with this hardware, and how to work with other electronic components. By the end of the book, you’ll know how to create your own programmable electronic contraptions.

The SDK (Software Development Kit) provides the headers, libraries and build system necessary to write programs for RP2040-based devices such as Raspberry Pi Pico in C, C++ or Arm assembly language.

This book is about the official MicroPython port for RP2040-based microcontroller boards.