If this feels limiting, you can use the following workarounds to trigger multiple actions with the Action button on your iPhone.

While a Raspberry Pi is a full-fledged computer that can do more complex things than an Arduino microcontroller, it's not the best choice for every project.

Arduino Defined Arduino is described by its makers as “ an open-source electronics prototyping platform based on flexible, easy-to-use hardware and software,” whatever that means.

You can’t screw up Arduino’s new DIY electronics kit The $87 Plug and Make Kit includes an Arduino microcomputer, electronic components, and tutorials for building several IoT devices.