The Raspberry Pi Pico W is a serious competitor to the ESP range of microcontrollers. It is cheap, fast, has many IO ports and a lot of memory. This book focuses on programming the Wifi capabilities with the easy to understand MicroPython language. The book describes how to get crypto values and weather predictions. Send data like temperatures or door status to Telegram, Thingspeak or Dweet. There is a chapter that describes how to send alarm notifications to your phone. And there is of course information on how to build a webpage with sensor data and/or buttons to turn on lights, pumps, blinds or fans etc. Click on the book to buy it from Amazon.