Node.js is solving many problems for hardware and IOT devices. There have been so many ways we can use Node.js to build the backend part which can talk with the Ionic app over HTTP APIs. One such example is where Ionic, Node.js, MQTT, and Wi-Fi module is used and we have a mobile app controlled relay through the Wi-Fi module over Internet. We are using the free online broker, MQTT for sending message from the Node.js server to the Wi-Fi module which are set up in Arduino IDE. On the other hand, we are using HTTP Rest APIs to call the Node.js server from the Ionic app. So, this way we will be able to send signals to Wi-Fi router and can perform specific actions.
Users need some interface to interact with these ...
