These days, most of us have a smartphone. They are so commonplace that we rarely stop to consider how amazing they truly are.

Chapter 1, page 11 This code is basic but allows the reader to gain insight into key elements for several other projects in this book. It combines two pieces of code that are listed in the examples ...

This product is open source! Various bits of the code have different licenses applied. Anything SparkFun wrote is beerware; if you see me (or any other SparkFun employee) at the local, and you've ...

Long Range "LoRa" Universal MailBox Sensor Can be integrated with Home Assistant, used via WhatsApp, or be operated offline. Use Cases Mailbox Sensor - "Code examples are provided" Alarm / Motion ...