In this project, I'm using a Kortex A1 IoT-sensor microcontroller in order to monitor temperature/humidity/pressure/altitude via WiFi.
By using your phone you can make is so that you can change your temperature of your old stick thermostat from anywhere.
Too lazy to walk and turn something on Want to cheaply control your home power usage while out Well here's a button (and app) to solve it!
You will never have to find your light switch again in the night, just walk into your bathroom and lights are on.
Stop the mold from spreading in your house or office with this simple device. Just put it into the moldy room and watch the humidity.
This project was part of the Lane Tech HS Physical Computing. This project involves relays, and the app Blynk to control lights.
With this project you can play any sound from your SD card on your audio system. Only wire you will need is 3.5mm jack.
If you want a NodeMCU device that could help you to control all your house electrical devices, then this will be your best guide