Make an EC/pH/ORP/temperature sensor device to monitor water. Interact with it through a website using Bluetooth Low Energy.
Project tutorial by uFire
In this tutorial, you will learn how to use p5.ble.js to build a web app to interact with your BLE-powered Arduino projects wirelessly.
This project showcase the use of Arduino 101 to control relays. I am using LED lights instead of the actual relay for the safety reasons.
Project tutorial by Shivansh Singh
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