With just a Wemos D1 Mini, a standard PIR sensor, and some open source code, you can create a practical self-contained motion sensor module that can be placed anywhere you want to keep an eye on.

Using the Arduino Oplá IoT Kit and Arduino Cloud, Robert has created an Internet of Things room condition monitor capable of providing feedback on a number of different data points as well as ...

Previously Arduino Cloud allowed the creation of devices based on Arduino or ESP32/ESP8266 hardware, with automatic sketch creation in C/C++ using the Arduino IoT Cloud library.