Raspberry Pi IoT Projects (2nd ed.)

Build your own Internet of Things (IoT) projects for prototyping and proof-of-concept purposes.Updated for the Raspberry Pi 4 and other recent boards, this book contains the tools needed to build a prototype of your design, sense the environment, communicate with the Internet (over the Internet and Machine to Machine communications) and display the results. Raspberry Pi IoT Projects, 2nd Edition provides several IoT projects and designs shown from the start to the finish including an IoT Heartbe