How can you make LoRa Nodes communicate with Arduino IOT Cloud? Check out my project :-)

Make a long range remote controller for your robot.

Bluetooth and Android-based call indicator with panic switch for calling a preset number.

Just how powerful is that plane?

A simple audio controlled TV remote using Arduino, Bluetooth, IR transmitter and Android device.

A low cost network of weather and soil sensors streaming real time data to Microsoft Azure for analysis.

This explains how to control devices using BLE and smartphones.